mirror of
https://github.com/borgbackup/borg.git
synced 2024-09-11 04:25:26 +03:00
use crc32 from libdeflate, remove bundled crc32 code
we use zlib.crc32 (macOS) or libdeflate_crc32 (Linux and all others) now.
This commit is contained in:
parent
d9d1e44b67
commit
98a675f62a
4
.github/workflows/ci.yml
vendored
4
.github/workflows/ci.yml
vendored
@ -64,6 +64,7 @@ jobs:
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env:
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# Configure pkg-config to use OpenSSL from Homebrew
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PKG_CONFIG_PATH: /usr/local/opt/openssl@1.1/lib/pkgconfig
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BORG_LIBDEFLATE_PREFIX: /usr # on ubuntu 20.04 pkgconfig does not find libdeflate
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TOXENV: ${{ matrix.toxenv }}
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runs-on: ${{ matrix.os }}
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@ -92,7 +93,7 @@ jobs:
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run: |
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sudo apt-get update
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sudo apt-get install -y pkg-config build-essential
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sudo apt-get install -y libssl-dev libacl1-dev libxxhash-dev liblz4-dev libzstd-dev
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sudo apt-get install -y libssl-dev libacl1-dev libxxhash-dev libdeflate-dev liblz4-dev libzstd-dev
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sudo apt-get install -y libfuse-dev fuse || true # Required for Python llfuse module
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sudo apt-get install -y libfuse3-dev fuse3 || true # Required for Python pyfuse3 module
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@ -102,6 +103,7 @@ jobs:
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brew install pkg-config || brew upgrade pkg-config
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brew install zstd || brew upgrade zstd
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brew install lz4 || brew upgrade lz4
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brew install libdeflate || brew upgrade libdeflate
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brew install xxhash || brew upgrade xxhash
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brew install openssl@1.1 || brew upgrade openssl@1.1
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brew install --cask macfuse || brew upgrade --cask macfuse # Required for Python llfuse module
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5
.github/workflows/codeql-analysis.yml
vendored
5
.github/workflows/codeql-analysis.yml
vendored
@ -27,6 +27,9 @@ jobs:
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# CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby' ]
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# Learn more about CodeQL language support at https://git.io/codeql-language-support
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env:
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BORG_LIBDEFLATE_PREFIX: /usr # on ubuntu 20.04 pkgconfig does not find libdeflate
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steps:
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- name: Checkout repository
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uses: actions/checkout@v2
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@ -49,7 +52,7 @@ jobs:
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run: |
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sudo apt-get update
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sudo apt-get install -y pkg-config build-essential
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sudo apt-get install -y libssl-dev libacl1-dev libxxhash-dev liblz4-dev libzstd-dev
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sudo apt-get install -y libssl-dev libacl1-dev libxxhash-dev libdeflate-dev liblz4-dev libzstd-dev
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# Initializes the CodeQL tools for scanning.
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- name: Initialize CodeQL
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uses: github/codeql-action/init@v1
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4
setup.py
4
setup.py
@ -48,6 +48,9 @@
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# needed: xxhash (>= 0.8.1)
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system_prefix_libxxhash = os.environ.get('BORG_LIBXXHASH_PREFIX')
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# needed: deflate (>= 1.5)
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system_prefix_libdeflate = os.environ.get('BORG_LIBDEFLATE_PREFIX')
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# Number of threads to use for cythonize, not used on windows
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cpu_threads = multiprocessing.cpu_count() if multiprocessing and multiprocessing.get_start_method() != 'spawn' else None
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@ -194,6 +197,7 @@ def members_appended(*ds):
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checksums_ext_kwargs = members_appended(
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dict(sources=[checksums_source]),
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setup_checksums.xxhash_ext_kwargs(pc, system_prefix_libxxhash),
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setup_checksums.deflate_ext_kwargs(pc, system_prefix_libdeflate),
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dict(extra_compile_args=cflags),
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)
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@ -15,3 +15,17 @@ def xxhash_ext_kwargs(pc, system_prefix):
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return pc.parse('libxxhash')
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raise Exception('Could not find xxhash lib/headers, please set BORG_LIBXXHASH_PREFIX')
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def deflate_ext_kwargs(pc, system_prefix):
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if system_prefix:
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print('Detected and preferring libdeflate [via BORG_LIBDEFLATE_PREFIX]')
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return dict(include_dirs=[os.path.join(system_prefix, 'include')],
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library_dirs=[os.path.join(system_prefix, 'lib')],
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libraries=['deflate'])
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if pc and pc.installed('libdeflate', '>= 1.5'):
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print('Detected and preferring libdeflate [via pkg-config]')
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return pc.parse('libdeflate')
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raise Exception('Could not find deflate lib/headers, please set BORG_LIBDEFLATE_PREFIX')
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@ -3,11 +3,4 @@
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===============
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This package is intended for hash and checksum functions.
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Ideally these would be sourced from existing libraries,
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but:
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- are frequently not available yet (lz4, zstd),
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- are available but in poor form (crc32), or
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- don't really make sense as a library (xxHash).
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"""
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@ -1,3 +1,6 @@
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import zlib
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from ..platformflags import is_darwin
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from ..helpers import bin_to_hex
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from libc.stdint cimport uint32_t
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@ -5,13 +8,6 @@ from cpython.buffer cimport PyBUF_SIMPLE, PyObject_GetBuffer, PyBuffer_Release
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from cpython.bytes cimport PyBytes_FromStringAndSize
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cdef extern from "crc32_dispatch.c":
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uint32_t _crc32_slice_by_8 "crc32_slice_by_8"(const void* data, size_t length, uint32_t initial_crc)
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uint32_t _crc32_clmul "crc32_clmul"(const void* data, size_t length, uint32_t initial_crc)
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int _have_clmul "have_clmul"()
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cdef extern from "xxhash.h":
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ctypedef struct XXH64_canonical_t:
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char digest[8]
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@ -37,35 +33,31 @@ cdef extern from "xxhash.h":
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XXH64_hash_t XXH64_hashFromCanonical(const XXH64_canonical_t* src)
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cdef extern from "libdeflate.h":
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uint32_t libdeflate_crc32(uint32_t crc, const void *buffer, size_t len)
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cdef Py_buffer ro_buffer(object data) except *:
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cdef Py_buffer view
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PyObject_GetBuffer(data, &view, PyBUF_SIMPLE)
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return view
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def crc32_slice_by_8(data, value=0):
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def deflate_crc32(data, value=0):
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cdef Py_buffer data_buf = ro_buffer(data)
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cdef uint32_t val = value
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try:
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return _crc32_slice_by_8(data_buf.buf, data_buf.len, val)
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return libdeflate_crc32(val, data_buf.buf, data_buf.len)
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finally:
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PyBuffer_Release(&data_buf)
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def crc32_clmul(data, value=0):
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cdef Py_buffer data_buf = ro_buffer(data)
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cdef uint32_t val = value
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try:
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return _crc32_clmul(data_buf.buf, data_buf.len, val)
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finally:
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PyBuffer_Release(&data_buf)
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have_clmul = _have_clmul()
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if have_clmul:
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crc32 = crc32_clmul
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if is_darwin:
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# macOS (darwin) has a highly optimized zlib.crc32 (Intel as well as Apple Silicon M1)
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crc32 = zlib.crc32
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else:
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crc32 = crc32_slice_by_8
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# on Linux x64 (and maybe others), libdeflate_crc32 is faster than zlib.crc32
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crc32 = deflate_crc32
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def xxh64(data, seed=0):
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@ -1,536 +0,0 @@
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/*
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* Compute the CRC32 using a parallelized folding approach with the PCLMULQDQ
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* instruction.
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*
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* A white paper describing this algorithm can be found at:
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* http://www.intel.com/content/dam/www/public/us/en/documents/white-papers/fast-crc-computation-generic-polynomials-pclmulqdq-paper.pdf
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*
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* Copyright (C) 2013 Intel Corporation. All rights reserved.
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* Authors:
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* Wajdi Feghali <wajdi.k.feghali@intel.com>
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* Jim Guilford <james.guilford@intel.com>
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* Vinodh Gopal <vinodh.gopal@intel.com>
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* Erdinc Ozturk <erdinc.ozturk@intel.com>
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* Jim Kukunas <james.t.kukunas@linux.intel.com>
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*
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* Copyright (c) 2016 Marian Beermann (add support for initial value, restructuring)
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*/
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#include <inttypes.h>
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#include <smmintrin.h>
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#include <wmmintrin.h>
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#ifdef _MSC_VER
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#include <intrin.h>
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#else
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/*
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* Newer versions of GCC and clang come with cpuid.h
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* (ftr GCC 4.7 in Debian Wheezy has this)
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*/
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#include <cpuid.h>
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#endif
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static void
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cpuid(int info, unsigned* eax, unsigned* ebx, unsigned* ecx, unsigned* edx)
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{
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#ifdef _MSC_VER
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unsigned int registers[4];
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__cpuid(registers, info);
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*eax = registers[0];
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*ebx = registers[1];
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*ecx = registers[2];
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*edx = registers[3];
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#else
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/* GCC, clang */
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unsigned int _eax;
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unsigned int _ebx;
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unsigned int _ecx;
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unsigned int _edx;
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__cpuid(info, _eax, _ebx, _ecx, _edx);
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*eax = _eax;
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*ebx = _ebx;
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*ecx = _ecx;
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*edx = _edx;
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#endif
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}
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static int
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have_clmul(void)
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{
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unsigned eax, ebx, ecx, edx;
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int has_pclmulqdq;
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int has_sse41;
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cpuid(1 /* feature bits */, &eax, &ebx, &ecx, &edx);
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has_pclmulqdq = ecx & 0x2; /* bit 1 */
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has_sse41 = ecx & 0x80000; /* bit 19 */
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return has_pclmulqdq && has_sse41;
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}
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CLMUL
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static void
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fold_1(__m128i *xmm_crc0, __m128i *xmm_crc1, __m128i *xmm_crc2, __m128i *xmm_crc3)
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{
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const __m128i xmm_fold4 = _mm_set_epi32(
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0x00000001, 0x54442bd4,
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0x00000001, 0xc6e41596);
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__m128i x_tmp3;
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__m128 ps_crc0, ps_crc3, ps_res;
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x_tmp3 = *xmm_crc3;
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*xmm_crc3 = *xmm_crc0;
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*xmm_crc0 = _mm_clmulepi64_si128(*xmm_crc0, xmm_fold4, 0x01);
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*xmm_crc3 = _mm_clmulepi64_si128(*xmm_crc3, xmm_fold4, 0x10);
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ps_crc0 = _mm_castsi128_ps(*xmm_crc0);
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ps_crc3 = _mm_castsi128_ps(*xmm_crc3);
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ps_res = _mm_xor_ps(ps_crc0, ps_crc3);
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*xmm_crc0 = *xmm_crc1;
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*xmm_crc1 = *xmm_crc2;
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*xmm_crc2 = x_tmp3;
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*xmm_crc3 = _mm_castps_si128(ps_res);
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}
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CLMUL
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static void
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fold_2(__m128i *xmm_crc0, __m128i *xmm_crc1, __m128i *xmm_crc2, __m128i *xmm_crc3)
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{
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const __m128i xmm_fold4 = _mm_set_epi32(
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0x00000001, 0x54442bd4,
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0x00000001, 0xc6e41596);
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__m128i x_tmp3, x_tmp2;
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__m128 ps_crc0, ps_crc1, ps_crc2, ps_crc3, ps_res31, ps_res20;
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x_tmp3 = *xmm_crc3;
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x_tmp2 = *xmm_crc2;
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*xmm_crc3 = *xmm_crc1;
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*xmm_crc1 = _mm_clmulepi64_si128(*xmm_crc1, xmm_fold4, 0x01);
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*xmm_crc3 = _mm_clmulepi64_si128(*xmm_crc3, xmm_fold4, 0x10);
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ps_crc3 = _mm_castsi128_ps(*xmm_crc3);
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ps_crc1 = _mm_castsi128_ps(*xmm_crc1);
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ps_res31 = _mm_xor_ps(ps_crc3, ps_crc1);
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*xmm_crc2 = *xmm_crc0;
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*xmm_crc0 = _mm_clmulepi64_si128(*xmm_crc0, xmm_fold4, 0x01);
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*xmm_crc2 = _mm_clmulepi64_si128(*xmm_crc2, xmm_fold4, 0x10);
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ps_crc0 = _mm_castsi128_ps(*xmm_crc0);
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ps_crc2 = _mm_castsi128_ps(*xmm_crc2);
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ps_res20 = _mm_xor_ps(ps_crc0, ps_crc2);
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*xmm_crc0 = x_tmp2;
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*xmm_crc1 = x_tmp3;
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*xmm_crc2 = _mm_castps_si128(ps_res20);
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*xmm_crc3 = _mm_castps_si128(ps_res31);
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}
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CLMUL
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static void
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fold_3(__m128i *xmm_crc0, __m128i *xmm_crc1, __m128i *xmm_crc2, __m128i *xmm_crc3)
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{
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const __m128i xmm_fold4 = _mm_set_epi32(
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0x00000001, 0x54442bd4,
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0x00000001, 0xc6e41596);
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__m128i x_tmp3;
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__m128 ps_crc0, ps_crc1, ps_crc2, ps_crc3, ps_res32, ps_res21, ps_res10;
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x_tmp3 = *xmm_crc3;
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*xmm_crc3 = *xmm_crc2;
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*xmm_crc2 = _mm_clmulepi64_si128(*xmm_crc2, xmm_fold4, 0x01);
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*xmm_crc3 = _mm_clmulepi64_si128(*xmm_crc3, xmm_fold4, 0x10);
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ps_crc2 = _mm_castsi128_ps(*xmm_crc2);
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ps_crc3 = _mm_castsi128_ps(*xmm_crc3);
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ps_res32 = _mm_xor_ps(ps_crc2, ps_crc3);
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*xmm_crc2 = *xmm_crc1;
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*xmm_crc1 = _mm_clmulepi64_si128(*xmm_crc1, xmm_fold4, 0x01);
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*xmm_crc2 = _mm_clmulepi64_si128(*xmm_crc2, xmm_fold4, 0x10);
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ps_crc1 = _mm_castsi128_ps(*xmm_crc1);
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ps_crc2 = _mm_castsi128_ps(*xmm_crc2);
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ps_res21 = _mm_xor_ps(ps_crc1, ps_crc2);
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*xmm_crc1 = *xmm_crc0;
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*xmm_crc0 = _mm_clmulepi64_si128(*xmm_crc0, xmm_fold4, 0x01);
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*xmm_crc1 = _mm_clmulepi64_si128(*xmm_crc1, xmm_fold4, 0x10);
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ps_crc0 = _mm_castsi128_ps(*xmm_crc0);
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ps_crc1 = _mm_castsi128_ps(*xmm_crc1);
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ps_res10 = _mm_xor_ps(ps_crc0, ps_crc1);
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*xmm_crc0 = x_tmp3;
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*xmm_crc1 = _mm_castps_si128(ps_res10);
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*xmm_crc2 = _mm_castps_si128(ps_res21);
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*xmm_crc3 = _mm_castps_si128(ps_res32);
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}
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CLMUL
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static void
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fold_4(__m128i *xmm_crc0, __m128i *xmm_crc1, __m128i *xmm_crc2, __m128i *xmm_crc3)
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{
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const __m128i xmm_fold4 = _mm_set_epi32(
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0x00000001, 0x54442bd4,
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0x00000001, 0xc6e41596);
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__m128i x_tmp0, x_tmp1, x_tmp2, x_tmp3;
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__m128 ps_crc0, ps_crc1, ps_crc2, ps_crc3;
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__m128 ps_t0, ps_t1, ps_t2, ps_t3;
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__m128 ps_res0, ps_res1, ps_res2, ps_res3;
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x_tmp0 = *xmm_crc0;
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x_tmp1 = *xmm_crc1;
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x_tmp2 = *xmm_crc2;
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x_tmp3 = *xmm_crc3;
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*xmm_crc0 = _mm_clmulepi64_si128(*xmm_crc0, xmm_fold4, 0x01);
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x_tmp0 = _mm_clmulepi64_si128(x_tmp0, xmm_fold4, 0x10);
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ps_crc0 = _mm_castsi128_ps(*xmm_crc0);
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ps_t0 = _mm_castsi128_ps(x_tmp0);
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ps_res0 = _mm_xor_ps(ps_crc0, ps_t0);
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*xmm_crc1 = _mm_clmulepi64_si128(*xmm_crc1, xmm_fold4, 0x01);
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x_tmp1 = _mm_clmulepi64_si128(x_tmp1, xmm_fold4, 0x10);
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ps_crc1 = _mm_castsi128_ps(*xmm_crc1);
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ps_t1 = _mm_castsi128_ps(x_tmp1);
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ps_res1 = _mm_xor_ps(ps_crc1, ps_t1);
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*xmm_crc2 = _mm_clmulepi64_si128(*xmm_crc2, xmm_fold4, 0x01);
|
||||
x_tmp2 = _mm_clmulepi64_si128(x_tmp2, xmm_fold4, 0x10);
|
||||
ps_crc2 = _mm_castsi128_ps(*xmm_crc2);
|
||||
ps_t2 = _mm_castsi128_ps(x_tmp2);
|
||||
ps_res2 = _mm_xor_ps(ps_crc2, ps_t2);
|
||||
|
||||
*xmm_crc3 = _mm_clmulepi64_si128(*xmm_crc3, xmm_fold4, 0x01);
|
||||
x_tmp3 = _mm_clmulepi64_si128(x_tmp3, xmm_fold4, 0x10);
|
||||
ps_crc3 = _mm_castsi128_ps(*xmm_crc3);
|
||||
ps_t3 = _mm_castsi128_ps(x_tmp3);
|
||||
ps_res3 = _mm_xor_ps(ps_crc3, ps_t3);
|
||||
|
||||
*xmm_crc0 = _mm_castps_si128(ps_res0);
|
||||
*xmm_crc1 = _mm_castps_si128(ps_res1);
|
||||
*xmm_crc2 = _mm_castps_si128(ps_res2);
|
||||
*xmm_crc3 = _mm_castps_si128(ps_res3);
|
||||
}
|
||||
|
||||
static const unsigned ALIGNED_(32) pshufb_shf_table[60] = {
|
||||
0x84838281, 0x88878685, 0x8c8b8a89, 0x008f8e8d, /* shl 15 (16 - 1)/shr1 */
|
||||
0x85848382, 0x89888786, 0x8d8c8b8a, 0x01008f8e, /* shl 14 (16 - 3)/shr2 */
|
||||
0x86858483, 0x8a898887, 0x8e8d8c8b, 0x0201008f, /* shl 13 (16 - 4)/shr3 */
|
||||
0x87868584, 0x8b8a8988, 0x8f8e8d8c, 0x03020100, /* shl 12 (16 - 4)/shr4 */
|
||||
0x88878685, 0x8c8b8a89, 0x008f8e8d, 0x04030201, /* shl 11 (16 - 5)/shr5 */
|
||||
0x89888786, 0x8d8c8b8a, 0x01008f8e, 0x05040302, /* shl 10 (16 - 6)/shr6 */
|
||||
0x8a898887, 0x8e8d8c8b, 0x0201008f, 0x06050403, /* shl 9 (16 - 7)/shr7 */
|
||||
0x8b8a8988, 0x8f8e8d8c, 0x03020100, 0x07060504, /* shl 8 (16 - 8)/shr8 */
|
||||
0x8c8b8a89, 0x008f8e8d, 0x04030201, 0x08070605, /* shl 7 (16 - 9)/shr9 */
|
||||
0x8d8c8b8a, 0x01008f8e, 0x05040302, 0x09080706, /* shl 6 (16 -10)/shr10*/
|
||||
0x8e8d8c8b, 0x0201008f, 0x06050403, 0x0a090807, /* shl 5 (16 -11)/shr11*/
|
||||
0x8f8e8d8c, 0x03020100, 0x07060504, 0x0b0a0908, /* shl 4 (16 -12)/shr12*/
|
||||
0x008f8e8d, 0x04030201, 0x08070605, 0x0c0b0a09, /* shl 3 (16 -13)/shr13*/
|
||||
0x01008f8e, 0x05040302, 0x09080706, 0x0d0c0b0a, /* shl 2 (16 -14)/shr14*/
|
||||
0x0201008f, 0x06050403, 0x0a090807, 0x0e0d0c0b /* shl 1 (16 -15)/shr15*/
|
||||
};
|
||||
|
||||
CLMUL
|
||||
static void
|
||||
partial_fold(const size_t len,
|
||||
__m128i *xmm_crc0, __m128i *xmm_crc1, __m128i *xmm_crc2, __m128i *xmm_crc3,
|
||||
__m128i *xmm_crc_part)
|
||||
{
|
||||
|
||||
const __m128i xmm_fold4 = _mm_set_epi32(
|
||||
0x00000001, 0x54442bd4,
|
||||
0x00000001, 0xc6e41596);
|
||||
const __m128i xmm_mask3 = _mm_set1_epi32(0x80808080);
|
||||
|
||||
__m128i xmm_shl, xmm_shr, xmm_tmp1, xmm_tmp2, xmm_tmp3;
|
||||
__m128i xmm_a0_0, xmm_a0_1;
|
||||
__m128 ps_crc3, psa0_0, psa0_1, ps_res;
|
||||
|
||||
xmm_shl = _mm_load_si128((__m128i *)pshufb_shf_table + (len - 1));
|
||||
xmm_shr = xmm_shl;
|
||||
xmm_shr = _mm_xor_si128(xmm_shr, xmm_mask3);
|
||||
|
||||
xmm_a0_0 = _mm_shuffle_epi8(*xmm_crc0, xmm_shl);
|
||||
|
||||
*xmm_crc0 = _mm_shuffle_epi8(*xmm_crc0, xmm_shr);
|
||||
xmm_tmp1 = _mm_shuffle_epi8(*xmm_crc1, xmm_shl);
|
||||
*xmm_crc0 = _mm_or_si128(*xmm_crc0, xmm_tmp1);
|
||||
|
||||
*xmm_crc1 = _mm_shuffle_epi8(*xmm_crc1, xmm_shr);
|
||||
xmm_tmp2 = _mm_shuffle_epi8(*xmm_crc2, xmm_shl);
|
||||
*xmm_crc1 = _mm_or_si128(*xmm_crc1, xmm_tmp2);
|
||||
|
||||
*xmm_crc2 = _mm_shuffle_epi8(*xmm_crc2, xmm_shr);
|
||||
xmm_tmp3 = _mm_shuffle_epi8(*xmm_crc3, xmm_shl);
|
||||
*xmm_crc2 = _mm_or_si128(*xmm_crc2, xmm_tmp3);
|
||||
|
||||
*xmm_crc3 = _mm_shuffle_epi8(*xmm_crc3, xmm_shr);
|
||||
*xmm_crc_part = _mm_shuffle_epi8(*xmm_crc_part, xmm_shl);
|
||||
*xmm_crc3 = _mm_or_si128(*xmm_crc3, *xmm_crc_part);
|
||||
|
||||
xmm_a0_1 = _mm_clmulepi64_si128(xmm_a0_0, xmm_fold4, 0x10);
|
||||
xmm_a0_0 = _mm_clmulepi64_si128(xmm_a0_0, xmm_fold4, 0x01);
|
||||
|
||||
ps_crc3 = _mm_castsi128_ps(*xmm_crc3);
|
||||
psa0_0 = _mm_castsi128_ps(xmm_a0_0);
|
||||
psa0_1 = _mm_castsi128_ps(xmm_a0_1);
|
||||
|
||||
ps_res = _mm_xor_ps(ps_crc3, psa0_0);
|
||||
ps_res = _mm_xor_ps(ps_res, psa0_1);
|
||||
|
||||
*xmm_crc3 = _mm_castps_si128(ps_res);
|
||||
}
|
||||
|
||||
static const unsigned ALIGNED_(16) crc_k[] = {
|
||||
0xccaa009e, 0x00000000, /* rk1 */
|
||||
0x751997d0, 0x00000001, /* rk2 */
|
||||
0xccaa009e, 0x00000000, /* rk5 */
|
||||
0x63cd6124, 0x00000001, /* rk6 */
|
||||
0xf7011640, 0x00000001, /* rk7 */
|
||||
0xdb710640, 0x00000001 /* rk8 */
|
||||
};
|
||||
|
||||
static const unsigned ALIGNED_(16) crc_mask[4] = {
|
||||
0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000
|
||||
};
|
||||
|
||||
static const unsigned ALIGNED_(16) crc_mask2[4] = {
|
||||
0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF
|
||||
};
|
||||
|
||||
#define ONCE(op) if(first) { \
|
||||
first = 0; \
|
||||
(op); \
|
||||
}
|
||||
|
||||
/*
|
||||
* somewhat surprisingly the "naive" way of doing this, ie. with a flag and a cond. branch,
|
||||
* is consistently ~5 % faster on average than the implied-recommended branchless way (always xor,
|
||||
* always zero xmm_initial). Guess speculative execution and branch prediction got the better of
|
||||
* yet another "optimization tip".
|
||||
*/
|
||||
#define XOR_INITIAL(where) ONCE(where = _mm_xor_si128(where, xmm_initial))
|
||||
|
||||
|
||||
CLMUL
|
||||
static uint32_t
|
||||
crc32_clmul(const uint8_t *src, long len, uint32_t initial_crc)
|
||||
{
|
||||
unsigned long algn_diff;
|
||||
__m128i xmm_t0, xmm_t1, xmm_t2, xmm_t3;
|
||||
__m128i xmm_initial = _mm_cvtsi32_si128(initial_crc);
|
||||
__m128i xmm_crc0 = _mm_cvtsi32_si128(0x9db42487);
|
||||
__m128i xmm_crc1 = _mm_setzero_si128();
|
||||
__m128i xmm_crc2 = _mm_setzero_si128();
|
||||
__m128i xmm_crc3 = _mm_setzero_si128();
|
||||
__m128i xmm_crc_part;
|
||||
|
||||
int first = 1;
|
||||
|
||||
/* fold 512 to 32 step variable declarations for ISO-C90 compat. */
|
||||
const __m128i xmm_mask = _mm_load_si128((__m128i *)crc_mask);
|
||||
const __m128i xmm_mask2 = _mm_load_si128((__m128i *)crc_mask2);
|
||||
|
||||
uint32_t crc;
|
||||
__m128i x_tmp0, x_tmp1, x_tmp2, crc_fold;
|
||||
|
||||
if (len < 16) {
|
||||
if (len == 0)
|
||||
return initial_crc;
|
||||
if (len < 4) {
|
||||
/*
|
||||
* no idea how to do this for <4 bytes, delegate to classic impl.
|
||||
*/
|
||||
uint32_t crc = ~initial_crc;
|
||||
switch (len) {
|
||||
case 3: crc = (crc >> 8) ^ Crc32Lookup[0][(crc & 0xFF) ^ *src++];
|
||||
case 2: crc = (crc >> 8) ^ Crc32Lookup[0][(crc & 0xFF) ^ *src++];
|
||||
case 1: crc = (crc >> 8) ^ Crc32Lookup[0][(crc & 0xFF) ^ *src++];
|
||||
}
|
||||
return ~crc;
|
||||
}
|
||||
xmm_crc_part = _mm_loadu_si128((__m128i *)src);
|
||||
XOR_INITIAL(xmm_crc_part);
|
||||
goto partial;
|
||||
}
|
||||
|
||||
/* this alignment computation would be wrong for len<16 handled above */
|
||||
algn_diff = (0 - (uintptr_t)src) & 0xF;
|
||||
if (algn_diff) {
|
||||
xmm_crc_part = _mm_loadu_si128((__m128i *)src);
|
||||
XOR_INITIAL(xmm_crc_part);
|
||||
|
||||
src += algn_diff;
|
||||
len -= algn_diff;
|
||||
|
||||
partial_fold(algn_diff, &xmm_crc0, &xmm_crc1, &xmm_crc2, &xmm_crc3, &xmm_crc_part);
|
||||
}
|
||||
|
||||
while ((len -= 64) >= 0) {
|
||||
xmm_t0 = _mm_load_si128((__m128i *)src);
|
||||
xmm_t1 = _mm_load_si128((__m128i *)src + 1);
|
||||
xmm_t2 = _mm_load_si128((__m128i *)src + 2);
|
||||
xmm_t3 = _mm_load_si128((__m128i *)src + 3);
|
||||
|
||||
XOR_INITIAL(xmm_t0);
|
||||
|
||||
fold_4(&xmm_crc0, &xmm_crc1, &xmm_crc2, &xmm_crc3);
|
||||
|
||||
xmm_crc0 = _mm_xor_si128(xmm_crc0, xmm_t0);
|
||||
xmm_crc1 = _mm_xor_si128(xmm_crc1, xmm_t1);
|
||||
xmm_crc2 = _mm_xor_si128(xmm_crc2, xmm_t2);
|
||||
xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_t3);
|
||||
|
||||
src += 64;
|
||||
}
|
||||
|
||||
/*
|
||||
* len = num bytes left - 64
|
||||
*/
|
||||
if (len + 16 >= 0) {
|
||||
len += 16;
|
||||
|
||||
xmm_t0 = _mm_load_si128((__m128i *)src);
|
||||
xmm_t1 = _mm_load_si128((__m128i *)src + 1);
|
||||
xmm_t2 = _mm_load_si128((__m128i *)src + 2);
|
||||
|
||||
XOR_INITIAL(xmm_t0);
|
||||
|
||||
fold_3(&xmm_crc0, &xmm_crc1, &xmm_crc2, &xmm_crc3);
|
||||
|
||||
xmm_crc1 = _mm_xor_si128(xmm_crc1, xmm_t0);
|
||||
xmm_crc2 = _mm_xor_si128(xmm_crc2, xmm_t1);
|
||||
xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_t2);
|
||||
|
||||
if (len == 0)
|
||||
goto done;
|
||||
|
||||
xmm_crc_part = _mm_load_si128((__m128i *)src + 3);
|
||||
} else if (len + 32 >= 0) {
|
||||
len += 32;
|
||||
|
||||
xmm_t0 = _mm_load_si128((__m128i *)src);
|
||||
xmm_t1 = _mm_load_si128((__m128i *)src + 1);
|
||||
|
||||
XOR_INITIAL(xmm_t0);
|
||||
|
||||
fold_2(&xmm_crc0, &xmm_crc1, &xmm_crc2, &xmm_crc3);
|
||||
|
||||
xmm_crc2 = _mm_xor_si128(xmm_crc2, xmm_t0);
|
||||
xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_t1);
|
||||
|
||||
if (len == 0)
|
||||
goto done;
|
||||
|
||||
xmm_crc_part = _mm_load_si128((__m128i *)src + 2);
|
||||
} else if (len + 48 >= 0) {
|
||||
len += 48;
|
||||
|
||||
xmm_t0 = _mm_load_si128((__m128i *)src);
|
||||
|
||||
XOR_INITIAL(xmm_t0);
|
||||
|
||||
fold_1(&xmm_crc0, &xmm_crc1, &xmm_crc2, &xmm_crc3);
|
||||
|
||||
xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_t0);
|
||||
|
||||
if (len == 0)
|
||||
goto done;
|
||||
|
||||
xmm_crc_part = _mm_load_si128((__m128i *)src + 1);
|
||||
} else {
|
||||
len += 64;
|
||||
if (len == 0)
|
||||
goto done;
|
||||
xmm_crc_part = _mm_load_si128((__m128i *)src);
|
||||
XOR_INITIAL(xmm_crc_part);
|
||||
}
|
||||
|
||||
partial:
|
||||
partial_fold(len, &xmm_crc0, &xmm_crc1, &xmm_crc2, &xmm_crc3, &xmm_crc_part);
|
||||
|
||||
done:
|
||||
(void)0;
|
||||
|
||||
/* fold 512 to 32 */
|
||||
|
||||
/*
|
||||
* k1
|
||||
*/
|
||||
crc_fold = _mm_load_si128((__m128i *)crc_k);
|
||||
|
||||
x_tmp0 = _mm_clmulepi64_si128(xmm_crc0, crc_fold, 0x10);
|
||||
xmm_crc0 = _mm_clmulepi64_si128(xmm_crc0, crc_fold, 0x01);
|
||||
xmm_crc1 = _mm_xor_si128(xmm_crc1, x_tmp0);
|
||||
xmm_crc1 = _mm_xor_si128(xmm_crc1, xmm_crc0);
|
||||
|
||||
x_tmp1 = _mm_clmulepi64_si128(xmm_crc1, crc_fold, 0x10);
|
||||
xmm_crc1 = _mm_clmulepi64_si128(xmm_crc1, crc_fold, 0x01);
|
||||
xmm_crc2 = _mm_xor_si128(xmm_crc2, x_tmp1);
|
||||
xmm_crc2 = _mm_xor_si128(xmm_crc2, xmm_crc1);
|
||||
|
||||
x_tmp2 = _mm_clmulepi64_si128(xmm_crc2, crc_fold, 0x10);
|
||||
xmm_crc2 = _mm_clmulepi64_si128(xmm_crc2, crc_fold, 0x01);
|
||||
xmm_crc3 = _mm_xor_si128(xmm_crc3, x_tmp2);
|
||||
xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_crc2);
|
||||
|
||||
/*
|
||||
* k5
|
||||
*/
|
||||
crc_fold = _mm_load_si128((__m128i *)crc_k + 1);
|
||||
|
||||
xmm_crc0 = xmm_crc3;
|
||||
xmm_crc3 = _mm_clmulepi64_si128(xmm_crc3, crc_fold, 0);
|
||||
xmm_crc0 = _mm_srli_si128(xmm_crc0, 8);
|
||||
xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_crc0);
|
||||
|
||||
xmm_crc0 = xmm_crc3;
|
||||
xmm_crc3 = _mm_slli_si128(xmm_crc3, 4);
|
||||
xmm_crc3 = _mm_clmulepi64_si128(xmm_crc3, crc_fold, 0x10);
|
||||
xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_crc0);
|
||||
xmm_crc3 = _mm_and_si128(xmm_crc3, xmm_mask2);
|
||||
|
||||
/*
|
||||
* k7
|
||||
*/
|
||||
xmm_crc1 = xmm_crc3;
|
||||
xmm_crc2 = xmm_crc3;
|
||||
crc_fold = _mm_load_si128((__m128i *)crc_k + 2);
|
||||
|
||||
xmm_crc3 = _mm_clmulepi64_si128(xmm_crc3, crc_fold, 0);
|
||||
xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_crc2);
|
||||
xmm_crc3 = _mm_and_si128(xmm_crc3, xmm_mask);
|
||||
|
||||
xmm_crc2 = xmm_crc3;
|
||||
xmm_crc3 = _mm_clmulepi64_si128(xmm_crc3, crc_fold, 0x10);
|
||||
xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_crc2);
|
||||
xmm_crc3 = _mm_xor_si128(xmm_crc3, xmm_crc1);
|
||||
|
||||
/*
|
||||
* could just as well write xmm_crc3[2], doing a movaps and truncating, but
|
||||
* no real advantage - it's a tiny bit slower per call, while no additional CPUs
|
||||
* would be supported by only requiring SSSE3 and CLMUL instead of SSE4.1 + CLMUL
|
||||
*/
|
||||
crc = _mm_extract_epi32(xmm_crc3, 2);
|
||||
return ~crc;
|
||||
}
|
@ -1,118 +0,0 @@
|
||||
|
||||
/* always compile slice by 8 as a runtime fallback */
|
||||
#include "crc32_slice_by_8.c"
|
||||
|
||||
#ifdef __GNUC__
|
||||
/*
|
||||
* GCC 4.4(.7) has a bug that causes it to recurse infinitely if an unknown option
|
||||
* is pushed onto the options stack. GCC 4.5 was not tested, so is excluded as well.
|
||||
* GCC 4.6 is known good.
|
||||
*/
|
||||
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
|
||||
/*
|
||||
* clang also has or had GCC bug #56298 explained below, but doesn't support
|
||||
* target attributes or the options stack. So we disable this faster code path for clang.
|
||||
*/
|
||||
#ifndef __clang__
|
||||
/*
|
||||
* While OpenBSD uses GCC, they don't have Intel intrinsics, so we can't compile this code
|
||||
* on OpenBSD.
|
||||
*/
|
||||
#ifndef __OpenBSD__
|
||||
#if __x86_64__
|
||||
/*
|
||||
* Because we don't want a configure script we need compiler-dependent pre-defined macros for detecting this,
|
||||
* also some compiler-dependent stuff to invoke SSE modes and align things.
|
||||
*/
|
||||
|
||||
#define FOLDING_CRC
|
||||
|
||||
/*
|
||||
* SSE2 misses _mm_shuffle_epi32, and _mm_extract_epi32
|
||||
* SSSE3 added _mm_shuffle_epi32
|
||||
* SSE4.1 added _mm_extract_epi32
|
||||
* Also requires CLMUL of course (all AES-NI CPUs have it)
|
||||
* Note that there are no CPUs with AES-NI/CLMUL but without SSE4.1
|
||||
*/
|
||||
#define CLMUL __attribute__ ((target ("pclmul,sse4.1")))
|
||||
|
||||
#define ALIGNED_(n) __attribute__ ((aligned(n)))
|
||||
|
||||
/*
|
||||
* Work around https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56298
|
||||
* These are taken from GCC 6.x, so apparently the above bug has been resolved in that version,
|
||||
* but it still affects widely used GCC 4.x.
|
||||
* Part 2 of 2 follows below.
|
||||
*/
|
||||
|
||||
#ifndef __PCLMUL__
|
||||
#pragma GCC push_options
|
||||
#pragma GCC target("pclmul")
|
||||
#define __BORG_DISABLE_PCLMUL__
|
||||
#endif
|
||||
|
||||
#ifndef __SSE3__
|
||||
#pragma GCC push_options
|
||||
#pragma GCC target("sse3")
|
||||
#define __BORG_DISABLE_SSE3__
|
||||
#endif
|
||||
|
||||
#ifndef __SSSE3__
|
||||
#pragma GCC push_options
|
||||
#pragma GCC target("ssse3")
|
||||
#define __BORG_DISABLE_SSSE3__
|
||||
#endif
|
||||
|
||||
#ifndef __SSE4_1__
|
||||
#pragma GCC push_options
|
||||
#pragma GCC target("sse4.1")
|
||||
#define __BORG_DISABLE_SSE4_1__
|
||||
#endif
|
||||
|
||||
#endif /* if __x86_64__ */
|
||||
#endif /* ifndef __OpenBSD__ */
|
||||
#endif /* ifndef __clang__ */
|
||||
#endif /* __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6) */
|
||||
#endif /* ifdef __GNUC__ */
|
||||
|
||||
#ifdef FOLDING_CRC
|
||||
#include "crc32_clmul.c"
|
||||
#else
|
||||
|
||||
static uint32_t
|
||||
crc32_clmul(const uint8_t *src, long len, uint32_t initial_crc)
|
||||
{
|
||||
(void)src; (void)len; (void)initial_crc;
|
||||
assert(0);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
have_clmul(void)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Part 2 of 2 of the GCC workaround.
|
||||
*/
|
||||
#ifdef __BORG_DISABLE_PCLMUL__
|
||||
#undef __BORG_DISABLE_PCLMUL__
|
||||
#pragma GCC pop_options
|
||||
#endif
|
||||
|
||||
#ifdef __BORG_DISABLE_SSE3__
|
||||
#undef __BORG_DISABLE_SSE3__
|
||||
#pragma GCC pop_options
|
||||
#endif
|
||||
|
||||
#ifdef __BORG_DISABLE_SSSE3__
|
||||
#undef __BORG_DISABLE_SSSE3__
|
||||
#pragma GCC pop_options
|
||||
#endif
|
||||
|
||||
#ifdef __BORG_DISABLE_SSE4_1__
|
||||
#undef __BORG_DISABLE_SSE4_1__
|
||||
#pragma GCC pop_options
|
||||
#endif
|
@ -1,395 +0,0 @@
|
||||
// //////////////////////////////////////////////////////////
|
||||
// Crc32.h
|
||||
// Copyright (c) 2011-2016 Stephan Brumme. All rights reserved.
|
||||
// see http://create.stephan-brumme.com/disclaimer.html
|
||||
//
|
||||
|
||||
// uint8_t, uint32_t, int32_t
|
||||
#include <stdint.h>
|
||||
// size_t
|
||||
#include <stddef.h>
|
||||
|
||||
#include "../_endian.h"
|
||||
|
||||
/// compute CRC32 (Slicing-by-8 algorithm), unroll inner loop 4 times
|
||||
uint32_t crc32_4x8bytes(const void* data, size_t length, uint32_t previousCrc32);
|
||||
|
||||
// //////////////////////////////////////////////////////////
|
||||
// Crc32.cpp
|
||||
// Copyright (c) 2011-2016 Stephan Brumme. All rights reserved.
|
||||
// Slicing-by-16 contributed by Bulat Ziganshin
|
||||
// Tableless bytewise CRC contributed by Hagai Gold
|
||||
// see http://create.stephan-brumme.com/disclaimer.html
|
||||
//
|
||||
|
||||
/// zlib's CRC32 polynomial
|
||||
const uint32_t Polynomial = 0xEDB88320;
|
||||
|
||||
// //////////////////////////////////////////////////////////
|
||||
// constants
|
||||
|
||||
/// look-up table, already declared above
|
||||
const uint32_t Crc32Lookup[8][256] =
|
||||
{
|
||||
//// same algorithm as crc32_bitwise
|
||||
//for (int i = 0; i <= 0xFF; i++)
|
||||
//{
|
||||
// uint32_t crc = i;
|
||||
// for (int j = 0; j < 8; j++)
|
||||
// crc = (crc >> 1) ^ ((crc & 1) * Polynomial);
|
||||
// Crc32Lookup[0][i] = crc;
|
||||
//}
|
||||
//// ... and the following slicing-by-8 algorithm (from Intel):
|
||||
//// http://www.intel.com/technology/comms/perfnet/download/CRC_generators.pdf
|
||||
//// http://sourceforge.net/projects/slicing-by-8/
|
||||
//for (int slice = 1; slice < MaxSlice; slice++)
|
||||
// Crc32Lookup[slice][i] = (Crc32Lookup[slice - 1][i] >> 8) ^ Crc32Lookup[0][Crc32Lookup[slice - 1][i] & 0xFF];
|
||||
{
|
||||
// note: the first number of every second row corresponds to the half-byte look-up table !
|
||||
0x00000000,0x77073096,0xEE0E612C,0x990951BA,0x076DC419,0x706AF48F,0xE963A535,0x9E6495A3,
|
||||
0x0EDB8832,0x79DCB8A4,0xE0D5E91E,0x97D2D988,0x09B64C2B,0x7EB17CBD,0xE7B82D07,0x90BF1D91,
|
||||
0x1DB71064,0x6AB020F2,0xF3B97148,0x84BE41DE,0x1ADAD47D,0x6DDDE4EB,0xF4D4B551,0x83D385C7,
|
||||
0x136C9856,0x646BA8C0,0xFD62F97A,0x8A65C9EC,0x14015C4F,0x63066CD9,0xFA0F3D63,0x8D080DF5,
|
||||
0x3B6E20C8,0x4C69105E,0xD56041E4,0xA2677172,0x3C03E4D1,0x4B04D447,0xD20D85FD,0xA50AB56B,
|
||||
0x35B5A8FA,0x42B2986C,0xDBBBC9D6,0xACBCF940,0x32D86CE3,0x45DF5C75,0xDCD60DCF,0xABD13D59,
|
||||
0x26D930AC,0x51DE003A,0xC8D75180,0xBFD06116,0x21B4F4B5,0x56B3C423,0xCFBA9599,0xB8BDA50F,
|
||||
0x2802B89E,0x5F058808,0xC60CD9B2,0xB10BE924,0x2F6F7C87,0x58684C11,0xC1611DAB,0xB6662D3D,
|
||||
0x76DC4190,0x01DB7106,0x98D220BC,0xEFD5102A,0x71B18589,0x06B6B51F,0x9FBFE4A5,0xE8B8D433,
|
||||
0x7807C9A2,0x0F00F934,0x9609A88E,0xE10E9818,0x7F6A0DBB,0x086D3D2D,0x91646C97,0xE6635C01,
|
||||
0x6B6B51F4,0x1C6C6162,0x856530D8,0xF262004E,0x6C0695ED,0x1B01A57B,0x8208F4C1,0xF50FC457,
|
||||
0x65B0D9C6,0x12B7E950,0x8BBEB8EA,0xFCB9887C,0x62DD1DDF,0x15DA2D49,0x8CD37CF3,0xFBD44C65,
|
||||
0x4DB26158,0x3AB551CE,0xA3BC0074,0xD4BB30E2,0x4ADFA541,0x3DD895D7,0xA4D1C46D,0xD3D6F4FB,
|
||||
0x4369E96A,0x346ED9FC,0xAD678846,0xDA60B8D0,0x44042D73,0x33031DE5,0xAA0A4C5F,0xDD0D7CC9,
|
||||
0x5005713C,0x270241AA,0xBE0B1010,0xC90C2086,0x5768B525,0x206F85B3,0xB966D409,0xCE61E49F,
|
||||
0x5EDEF90E,0x29D9C998,0xB0D09822,0xC7D7A8B4,0x59B33D17,0x2EB40D81,0xB7BD5C3B,0xC0BA6CAD,
|
||||
0xEDB88320,0x9ABFB3B6,0x03B6E20C,0x74B1D29A,0xEAD54739,0x9DD277AF,0x04DB2615,0x73DC1683,
|
||||
0xE3630B12,0x94643B84,0x0D6D6A3E,0x7A6A5AA8,0xE40ECF0B,0x9309FF9D,0x0A00AE27,0x7D079EB1,
|
||||
0xF00F9344,0x8708A3D2,0x1E01F268,0x6906C2FE,0xF762575D,0x806567CB,0x196C3671,0x6E6B06E7,
|
||||
0xFED41B76,0x89D32BE0,0x10DA7A5A,0x67DD4ACC,0xF9B9DF6F,0x8EBEEFF9,0x17B7BE43,0x60B08ED5,
|
||||
0xD6D6A3E8,0xA1D1937E,0x38D8C2C4,0x4FDFF252,0xD1BB67F1,0xA6BC5767,0x3FB506DD,0x48B2364B,
|
||||
0xD80D2BDA,0xAF0A1B4C,0x36034AF6,0x41047A60,0xDF60EFC3,0xA867DF55,0x316E8EEF,0x4669BE79,
|
||||
0xCB61B38C,0xBC66831A,0x256FD2A0,0x5268E236,0xCC0C7795,0xBB0B4703,0x220216B9,0x5505262F,
|
||||
0xC5BA3BBE,0xB2BD0B28,0x2BB45A92,0x5CB36A04,0xC2D7FFA7,0xB5D0CF31,0x2CD99E8B,0x5BDEAE1D,
|
||||
0x9B64C2B0,0xEC63F226,0x756AA39C,0x026D930A,0x9C0906A9,0xEB0E363F,0x72076785,0x05005713,
|
||||
0x95BF4A82,0xE2B87A14,0x7BB12BAE,0x0CB61B38,0x92D28E9B,0xE5D5BE0D,0x7CDCEFB7,0x0BDBDF21,
|
||||
0x86D3D2D4,0xF1D4E242,0x68DDB3F8,0x1FDA836E,0x81BE16CD,0xF6B9265B,0x6FB077E1,0x18B74777,
|
||||
0x88085AE6,0xFF0F6A70,0x66063BCA,0x11010B5C,0x8F659EFF,0xF862AE69,0x616BFFD3,0x166CCF45,
|
||||
0xA00AE278,0xD70DD2EE,0x4E048354,0x3903B3C2,0xA7672661,0xD06016F7,0x4969474D,0x3E6E77DB,
|
||||
0xAED16A4A,0xD9D65ADC,0x40DF0B66,0x37D83BF0,0xA9BCAE53,0xDEBB9EC5,0x47B2CF7F,0x30B5FFE9,
|
||||
0xBDBDF21C,0xCABAC28A,0x53B39330,0x24B4A3A6,0xBAD03605,0xCDD70693,0x54DE5729,0x23D967BF,
|
||||
0xB3667A2E,0xC4614AB8,0x5D681B02,0x2A6F2B94,0xB40BBE37,0xC30C8EA1,0x5A05DF1B,0x2D02EF8D,
|
||||
}
|
||||
|
||||
,{
|
||||
0x00000000,0x191B3141,0x32366282,0x2B2D53C3,0x646CC504,0x7D77F445,0x565AA786,0x4F4196C7,
|
||||
0xC8D98A08,0xD1C2BB49,0xFAEFE88A,0xE3F4D9CB,0xACB54F0C,0xB5AE7E4D,0x9E832D8E,0x87981CCF,
|
||||
0x4AC21251,0x53D92310,0x78F470D3,0x61EF4192,0x2EAED755,0x37B5E614,0x1C98B5D7,0x05838496,
|
||||
0x821B9859,0x9B00A918,0xB02DFADB,0xA936CB9A,0xE6775D5D,0xFF6C6C1C,0xD4413FDF,0xCD5A0E9E,
|
||||
0x958424A2,0x8C9F15E3,0xA7B24620,0xBEA97761,0xF1E8E1A6,0xE8F3D0E7,0xC3DE8324,0xDAC5B265,
|
||||
0x5D5DAEAA,0x44469FEB,0x6F6BCC28,0x7670FD69,0x39316BAE,0x202A5AEF,0x0B07092C,0x121C386D,
|
||||
0xDF4636F3,0xC65D07B2,0xED705471,0xF46B6530,0xBB2AF3F7,0xA231C2B6,0x891C9175,0x9007A034,
|
||||
0x179FBCFB,0x0E848DBA,0x25A9DE79,0x3CB2EF38,0x73F379FF,0x6AE848BE,0x41C51B7D,0x58DE2A3C,
|
||||
0xF0794F05,0xE9627E44,0xC24F2D87,0xDB541CC6,0x94158A01,0x8D0EBB40,0xA623E883,0xBF38D9C2,
|
||||
0x38A0C50D,0x21BBF44C,0x0A96A78F,0x138D96CE,0x5CCC0009,0x45D73148,0x6EFA628B,0x77E153CA,
|
||||
0xBABB5D54,0xA3A06C15,0x888D3FD6,0x91960E97,0xDED79850,0xC7CCA911,0xECE1FAD2,0xF5FACB93,
|
||||
0x7262D75C,0x6B79E61D,0x4054B5DE,0x594F849F,0x160E1258,0x0F152319,0x243870DA,0x3D23419B,
|
||||
0x65FD6BA7,0x7CE65AE6,0x57CB0925,0x4ED03864,0x0191AEA3,0x188A9FE2,0x33A7CC21,0x2ABCFD60,
|
||||
0xAD24E1AF,0xB43FD0EE,0x9F12832D,0x8609B26C,0xC94824AB,0xD05315EA,0xFB7E4629,0xE2657768,
|
||||
0x2F3F79F6,0x362448B7,0x1D091B74,0x04122A35,0x4B53BCF2,0x52488DB3,0x7965DE70,0x607EEF31,
|
||||
0xE7E6F3FE,0xFEFDC2BF,0xD5D0917C,0xCCCBA03D,0x838A36FA,0x9A9107BB,0xB1BC5478,0xA8A76539,
|
||||
0x3B83984B,0x2298A90A,0x09B5FAC9,0x10AECB88,0x5FEF5D4F,0x46F46C0E,0x6DD93FCD,0x74C20E8C,
|
||||
0xF35A1243,0xEA412302,0xC16C70C1,0xD8774180,0x9736D747,0x8E2DE606,0xA500B5C5,0xBC1B8484,
|
||||
0x71418A1A,0x685ABB5B,0x4377E898,0x5A6CD9D9,0x152D4F1E,0x0C367E5F,0x271B2D9C,0x3E001CDD,
|
||||
0xB9980012,0xA0833153,0x8BAE6290,0x92B553D1,0xDDF4C516,0xC4EFF457,0xEFC2A794,0xF6D996D5,
|
||||
0xAE07BCE9,0xB71C8DA8,0x9C31DE6B,0x852AEF2A,0xCA6B79ED,0xD37048AC,0xF85D1B6F,0xE1462A2E,
|
||||
0x66DE36E1,0x7FC507A0,0x54E85463,0x4DF36522,0x02B2F3E5,0x1BA9C2A4,0x30849167,0x299FA026,
|
||||
0xE4C5AEB8,0xFDDE9FF9,0xD6F3CC3A,0xCFE8FD7B,0x80A96BBC,0x99B25AFD,0xB29F093E,0xAB84387F,
|
||||
0x2C1C24B0,0x350715F1,0x1E2A4632,0x07317773,0x4870E1B4,0x516BD0F5,0x7A468336,0x635DB277,
|
||||
0xCBFAD74E,0xD2E1E60F,0xF9CCB5CC,0xE0D7848D,0xAF96124A,0xB68D230B,0x9DA070C8,0x84BB4189,
|
||||
0x03235D46,0x1A386C07,0x31153FC4,0x280E0E85,0x674F9842,0x7E54A903,0x5579FAC0,0x4C62CB81,
|
||||
0x8138C51F,0x9823F45E,0xB30EA79D,0xAA1596DC,0xE554001B,0xFC4F315A,0xD7626299,0xCE7953D8,
|
||||
0x49E14F17,0x50FA7E56,0x7BD72D95,0x62CC1CD4,0x2D8D8A13,0x3496BB52,0x1FBBE891,0x06A0D9D0,
|
||||
0x5E7EF3EC,0x4765C2AD,0x6C48916E,0x7553A02F,0x3A1236E8,0x230907A9,0x0824546A,0x113F652B,
|
||||
0x96A779E4,0x8FBC48A5,0xA4911B66,0xBD8A2A27,0xF2CBBCE0,0xEBD08DA1,0xC0FDDE62,0xD9E6EF23,
|
||||
0x14BCE1BD,0x0DA7D0FC,0x268A833F,0x3F91B27E,0x70D024B9,0x69CB15F8,0x42E6463B,0x5BFD777A,
|
||||
0xDC656BB5,0xC57E5AF4,0xEE530937,0xF7483876,0xB809AEB1,0xA1129FF0,0x8A3FCC33,0x9324FD72,
|
||||
},
|
||||
|
||||
{
|
||||
0x00000000,0x01C26A37,0x0384D46E,0x0246BE59,0x0709A8DC,0x06CBC2EB,0x048D7CB2,0x054F1685,
|
||||
0x0E1351B8,0x0FD13B8F,0x0D9785D6,0x0C55EFE1,0x091AF964,0x08D89353,0x0A9E2D0A,0x0B5C473D,
|
||||
0x1C26A370,0x1DE4C947,0x1FA2771E,0x1E601D29,0x1B2F0BAC,0x1AED619B,0x18ABDFC2,0x1969B5F5,
|
||||
0x1235F2C8,0x13F798FF,0x11B126A6,0x10734C91,0x153C5A14,0x14FE3023,0x16B88E7A,0x177AE44D,
|
||||
0x384D46E0,0x398F2CD7,0x3BC9928E,0x3A0BF8B9,0x3F44EE3C,0x3E86840B,0x3CC03A52,0x3D025065,
|
||||
0x365E1758,0x379C7D6F,0x35DAC336,0x3418A901,0x3157BF84,0x3095D5B3,0x32D36BEA,0x331101DD,
|
||||
0x246BE590,0x25A98FA7,0x27EF31FE,0x262D5BC9,0x23624D4C,0x22A0277B,0x20E69922,0x2124F315,
|
||||
0x2A78B428,0x2BBADE1F,0x29FC6046,0x283E0A71,0x2D711CF4,0x2CB376C3,0x2EF5C89A,0x2F37A2AD,
|
||||
0x709A8DC0,0x7158E7F7,0x731E59AE,0x72DC3399,0x7793251C,0x76514F2B,0x7417F172,0x75D59B45,
|
||||
0x7E89DC78,0x7F4BB64F,0x7D0D0816,0x7CCF6221,0x798074A4,0x78421E93,0x7A04A0CA,0x7BC6CAFD,
|
||||
0x6CBC2EB0,0x6D7E4487,0x6F38FADE,0x6EFA90E9,0x6BB5866C,0x6A77EC5B,0x68315202,0x69F33835,
|
||||
0x62AF7F08,0x636D153F,0x612BAB66,0x60E9C151,0x65A6D7D4,0x6464BDE3,0x662203BA,0x67E0698D,
|
||||
0x48D7CB20,0x4915A117,0x4B531F4E,0x4A917579,0x4FDE63FC,0x4E1C09CB,0x4C5AB792,0x4D98DDA5,
|
||||
0x46C49A98,0x4706F0AF,0x45404EF6,0x448224C1,0x41CD3244,0x400F5873,0x4249E62A,0x438B8C1D,
|
||||
0x54F16850,0x55330267,0x5775BC3E,0x56B7D609,0x53F8C08C,0x523AAABB,0x507C14E2,0x51BE7ED5,
|
||||
0x5AE239E8,0x5B2053DF,0x5966ED86,0x58A487B1,0x5DEB9134,0x5C29FB03,0x5E6F455A,0x5FAD2F6D,
|
||||
0xE1351B80,0xE0F771B7,0xE2B1CFEE,0xE373A5D9,0xE63CB35C,0xE7FED96B,0xE5B86732,0xE47A0D05,
|
||||
0xEF264A38,0xEEE4200F,0xECA29E56,0xED60F461,0xE82FE2E4,0xE9ED88D3,0xEBAB368A,0xEA695CBD,
|
||||
0xFD13B8F0,0xFCD1D2C7,0xFE976C9E,0xFF5506A9,0xFA1A102C,0xFBD87A1B,0xF99EC442,0xF85CAE75,
|
||||
0xF300E948,0xF2C2837F,0xF0843D26,0xF1465711,0xF4094194,0xF5CB2BA3,0xF78D95FA,0xF64FFFCD,
|
||||
0xD9785D60,0xD8BA3757,0xDAFC890E,0xDB3EE339,0xDE71F5BC,0xDFB39F8B,0xDDF521D2,0xDC374BE5,
|
||||
0xD76B0CD8,0xD6A966EF,0xD4EFD8B6,0xD52DB281,0xD062A404,0xD1A0CE33,0xD3E6706A,0xD2241A5D,
|
||||
0xC55EFE10,0xC49C9427,0xC6DA2A7E,0xC7184049,0xC25756CC,0xC3953CFB,0xC1D382A2,0xC011E895,
|
||||
0xCB4DAFA8,0xCA8FC59F,0xC8C97BC6,0xC90B11F1,0xCC440774,0xCD866D43,0xCFC0D31A,0xCE02B92D,
|
||||
0x91AF9640,0x906DFC77,0x922B422E,0x93E92819,0x96A63E9C,0x976454AB,0x9522EAF2,0x94E080C5,
|
||||
0x9FBCC7F8,0x9E7EADCF,0x9C381396,0x9DFA79A1,0x98B56F24,0x99770513,0x9B31BB4A,0x9AF3D17D,
|
||||
0x8D893530,0x8C4B5F07,0x8E0DE15E,0x8FCF8B69,0x8A809DEC,0x8B42F7DB,0x89044982,0x88C623B5,
|
||||
0x839A6488,0x82580EBF,0x801EB0E6,0x81DCDAD1,0x8493CC54,0x8551A663,0x8717183A,0x86D5720D,
|
||||
0xA9E2D0A0,0xA820BA97,0xAA6604CE,0xABA46EF9,0xAEEB787C,0xAF29124B,0xAD6FAC12,0xACADC625,
|
||||
0xA7F18118,0xA633EB2F,0xA4755576,0xA5B73F41,0xA0F829C4,0xA13A43F3,0xA37CFDAA,0xA2BE979D,
|
||||
0xB5C473D0,0xB40619E7,0xB640A7BE,0xB782CD89,0xB2CDDB0C,0xB30FB13B,0xB1490F62,0xB08B6555,
|
||||
0xBBD72268,0xBA15485F,0xB853F606,0xB9919C31,0xBCDE8AB4,0xBD1CE083,0xBF5A5EDA,0xBE9834ED,
|
||||
},
|
||||
|
||||
{
|
||||
0x00000000,0xB8BC6765,0xAA09C88B,0x12B5AFEE,0x8F629757,0x37DEF032,0x256B5FDC,0x9DD738B9,
|
||||
0xC5B428EF,0x7D084F8A,0x6FBDE064,0xD7018701,0x4AD6BFB8,0xF26AD8DD,0xE0DF7733,0x58631056,
|
||||
0x5019579F,0xE8A530FA,0xFA109F14,0x42ACF871,0xDF7BC0C8,0x67C7A7AD,0x75720843,0xCDCE6F26,
|
||||
0x95AD7F70,0x2D111815,0x3FA4B7FB,0x8718D09E,0x1ACFE827,0xA2738F42,0xB0C620AC,0x087A47C9,
|
||||
0xA032AF3E,0x188EC85B,0x0A3B67B5,0xB28700D0,0x2F503869,0x97EC5F0C,0x8559F0E2,0x3DE59787,
|
||||
0x658687D1,0xDD3AE0B4,0xCF8F4F5A,0x7733283F,0xEAE41086,0x525877E3,0x40EDD80D,0xF851BF68,
|
||||
0xF02BF8A1,0x48979FC4,0x5A22302A,0xE29E574F,0x7F496FF6,0xC7F50893,0xD540A77D,0x6DFCC018,
|
||||
0x359FD04E,0x8D23B72B,0x9F9618C5,0x272A7FA0,0xBAFD4719,0x0241207C,0x10F48F92,0xA848E8F7,
|
||||
0x9B14583D,0x23A83F58,0x311D90B6,0x89A1F7D3,0x1476CF6A,0xACCAA80F,0xBE7F07E1,0x06C36084,
|
||||
0x5EA070D2,0xE61C17B7,0xF4A9B859,0x4C15DF3C,0xD1C2E785,0x697E80E0,0x7BCB2F0E,0xC377486B,
|
||||
0xCB0D0FA2,0x73B168C7,0x6104C729,0xD9B8A04C,0x446F98F5,0xFCD3FF90,0xEE66507E,0x56DA371B,
|
||||
0x0EB9274D,0xB6054028,0xA4B0EFC6,0x1C0C88A3,0x81DBB01A,0x3967D77F,0x2BD27891,0x936E1FF4,
|
||||
0x3B26F703,0x839A9066,0x912F3F88,0x299358ED,0xB4446054,0x0CF80731,0x1E4DA8DF,0xA6F1CFBA,
|
||||
0xFE92DFEC,0x462EB889,0x549B1767,0xEC277002,0x71F048BB,0xC94C2FDE,0xDBF98030,0x6345E755,
|
||||
0x6B3FA09C,0xD383C7F9,0xC1366817,0x798A0F72,0xE45D37CB,0x5CE150AE,0x4E54FF40,0xF6E89825,
|
||||
0xAE8B8873,0x1637EF16,0x048240F8,0xBC3E279D,0x21E91F24,0x99557841,0x8BE0D7AF,0x335CB0CA,
|
||||
0xED59B63B,0x55E5D15E,0x47507EB0,0xFFEC19D5,0x623B216C,0xDA874609,0xC832E9E7,0x708E8E82,
|
||||
0x28ED9ED4,0x9051F9B1,0x82E4565F,0x3A58313A,0xA78F0983,0x1F336EE6,0x0D86C108,0xB53AA66D,
|
||||
0xBD40E1A4,0x05FC86C1,0x1749292F,0xAFF54E4A,0x322276F3,0x8A9E1196,0x982BBE78,0x2097D91D,
|
||||
0x78F4C94B,0xC048AE2E,0xD2FD01C0,0x6A4166A5,0xF7965E1C,0x4F2A3979,0x5D9F9697,0xE523F1F2,
|
||||
0x4D6B1905,0xF5D77E60,0xE762D18E,0x5FDEB6EB,0xC2098E52,0x7AB5E937,0x680046D9,0xD0BC21BC,
|
||||
0x88DF31EA,0x3063568F,0x22D6F961,0x9A6A9E04,0x07BDA6BD,0xBF01C1D8,0xADB46E36,0x15080953,
|
||||
0x1D724E9A,0xA5CE29FF,0xB77B8611,0x0FC7E174,0x9210D9CD,0x2AACBEA8,0x38191146,0x80A57623,
|
||||
0xD8C66675,0x607A0110,0x72CFAEFE,0xCA73C99B,0x57A4F122,0xEF189647,0xFDAD39A9,0x45115ECC,
|
||||
0x764DEE06,0xCEF18963,0xDC44268D,0x64F841E8,0xF92F7951,0x41931E34,0x5326B1DA,0xEB9AD6BF,
|
||||
0xB3F9C6E9,0x0B45A18C,0x19F00E62,0xA14C6907,0x3C9B51BE,0x842736DB,0x96929935,0x2E2EFE50,
|
||||
0x2654B999,0x9EE8DEFC,0x8C5D7112,0x34E11677,0xA9362ECE,0x118A49AB,0x033FE645,0xBB838120,
|
||||
0xE3E09176,0x5B5CF613,0x49E959FD,0xF1553E98,0x6C820621,0xD43E6144,0xC68BCEAA,0x7E37A9CF,
|
||||
0xD67F4138,0x6EC3265D,0x7C7689B3,0xC4CAEED6,0x591DD66F,0xE1A1B10A,0xF3141EE4,0x4BA87981,
|
||||
0x13CB69D7,0xAB770EB2,0xB9C2A15C,0x017EC639,0x9CA9FE80,0x241599E5,0x36A0360B,0x8E1C516E,
|
||||
0x866616A7,0x3EDA71C2,0x2C6FDE2C,0x94D3B949,0x090481F0,0xB1B8E695,0xA30D497B,0x1BB12E1E,
|
||||
0x43D23E48,0xFB6E592D,0xE9DBF6C3,0x516791A6,0xCCB0A91F,0x740CCE7A,0x66B96194,0xDE0506F1,
|
||||
}
|
||||
|
||||
,{
|
||||
0x00000000,0x3D6029B0,0x7AC05360,0x47A07AD0,0xF580A6C0,0xC8E08F70,0x8F40F5A0,0xB220DC10,
|
||||
0x30704BC1,0x0D106271,0x4AB018A1,0x77D03111,0xC5F0ED01,0xF890C4B1,0xBF30BE61,0x825097D1,
|
||||
0x60E09782,0x5D80BE32,0x1A20C4E2,0x2740ED52,0x95603142,0xA80018F2,0xEFA06222,0xD2C04B92,
|
||||
0x5090DC43,0x6DF0F5F3,0x2A508F23,0x1730A693,0xA5107A83,0x98705333,0xDFD029E3,0xE2B00053,
|
||||
0xC1C12F04,0xFCA106B4,0xBB017C64,0x866155D4,0x344189C4,0x0921A074,0x4E81DAA4,0x73E1F314,
|
||||
0xF1B164C5,0xCCD14D75,0x8B7137A5,0xB6111E15,0x0431C205,0x3951EBB5,0x7EF19165,0x4391B8D5,
|
||||
0xA121B886,0x9C419136,0xDBE1EBE6,0xE681C256,0x54A11E46,0x69C137F6,0x2E614D26,0x13016496,
|
||||
0x9151F347,0xAC31DAF7,0xEB91A027,0xD6F18997,0x64D15587,0x59B17C37,0x1E1106E7,0x23712F57,
|
||||
0x58F35849,0x659371F9,0x22330B29,0x1F532299,0xAD73FE89,0x9013D739,0xD7B3ADE9,0xEAD38459,
|
||||
0x68831388,0x55E33A38,0x124340E8,0x2F236958,0x9D03B548,0xA0639CF8,0xE7C3E628,0xDAA3CF98,
|
||||
0x3813CFCB,0x0573E67B,0x42D39CAB,0x7FB3B51B,0xCD93690B,0xF0F340BB,0xB7533A6B,0x8A3313DB,
|
||||
0x0863840A,0x3503ADBA,0x72A3D76A,0x4FC3FEDA,0xFDE322CA,0xC0830B7A,0x872371AA,0xBA43581A,
|
||||
0x9932774D,0xA4525EFD,0xE3F2242D,0xDE920D9D,0x6CB2D18D,0x51D2F83D,0x167282ED,0x2B12AB5D,
|
||||
0xA9423C8C,0x9422153C,0xD3826FEC,0xEEE2465C,0x5CC29A4C,0x61A2B3FC,0x2602C92C,0x1B62E09C,
|
||||
0xF9D2E0CF,0xC4B2C97F,0x8312B3AF,0xBE729A1F,0x0C52460F,0x31326FBF,0x7692156F,0x4BF23CDF,
|
||||
0xC9A2AB0E,0xF4C282BE,0xB362F86E,0x8E02D1DE,0x3C220DCE,0x0142247E,0x46E25EAE,0x7B82771E,
|
||||
0xB1E6B092,0x8C869922,0xCB26E3F2,0xF646CA42,0x44661652,0x79063FE2,0x3EA64532,0x03C66C82,
|
||||
0x8196FB53,0xBCF6D2E3,0xFB56A833,0xC6368183,0x74165D93,0x49767423,0x0ED60EF3,0x33B62743,
|
||||
0xD1062710,0xEC660EA0,0xABC67470,0x96A65DC0,0x248681D0,0x19E6A860,0x5E46D2B0,0x6326FB00,
|
||||
0xE1766CD1,0xDC164561,0x9BB63FB1,0xA6D61601,0x14F6CA11,0x2996E3A1,0x6E369971,0x5356B0C1,
|
||||
0x70279F96,0x4D47B626,0x0AE7CCF6,0x3787E546,0x85A73956,0xB8C710E6,0xFF676A36,0xC2074386,
|
||||
0x4057D457,0x7D37FDE7,0x3A978737,0x07F7AE87,0xB5D77297,0x88B75B27,0xCF1721F7,0xF2770847,
|
||||
0x10C70814,0x2DA721A4,0x6A075B74,0x576772C4,0xE547AED4,0xD8278764,0x9F87FDB4,0xA2E7D404,
|
||||
0x20B743D5,0x1DD76A65,0x5A7710B5,0x67173905,0xD537E515,0xE857CCA5,0xAFF7B675,0x92979FC5,
|
||||
0xE915E8DB,0xD475C16B,0x93D5BBBB,0xAEB5920B,0x1C954E1B,0x21F567AB,0x66551D7B,0x5B3534CB,
|
||||
0xD965A31A,0xE4058AAA,0xA3A5F07A,0x9EC5D9CA,0x2CE505DA,0x11852C6A,0x562556BA,0x6B457F0A,
|
||||
0x89F57F59,0xB49556E9,0xF3352C39,0xCE550589,0x7C75D999,0x4115F029,0x06B58AF9,0x3BD5A349,
|
||||
0xB9853498,0x84E51D28,0xC34567F8,0xFE254E48,0x4C059258,0x7165BBE8,0x36C5C138,0x0BA5E888,
|
||||
0x28D4C7DF,0x15B4EE6F,0x521494BF,0x6F74BD0F,0xDD54611F,0xE03448AF,0xA794327F,0x9AF41BCF,
|
||||
0x18A48C1E,0x25C4A5AE,0x6264DF7E,0x5F04F6CE,0xED242ADE,0xD044036E,0x97E479BE,0xAA84500E,
|
||||
0x4834505D,0x755479ED,0x32F4033D,0x0F942A8D,0xBDB4F69D,0x80D4DF2D,0xC774A5FD,0xFA148C4D,
|
||||
0x78441B9C,0x4524322C,0x028448FC,0x3FE4614C,0x8DC4BD5C,0xB0A494EC,0xF704EE3C,0xCA64C78C,
|
||||
},
|
||||
|
||||
{
|
||||
0x00000000,0xCB5CD3A5,0x4DC8A10B,0x869472AE,0x9B914216,0x50CD91B3,0xD659E31D,0x1D0530B8,
|
||||
0xEC53826D,0x270F51C8,0xA19B2366,0x6AC7F0C3,0x77C2C07B,0xBC9E13DE,0x3A0A6170,0xF156B2D5,
|
||||
0x03D6029B,0xC88AD13E,0x4E1EA390,0x85427035,0x9847408D,0x531B9328,0xD58FE186,0x1ED33223,
|
||||
0xEF8580F6,0x24D95353,0xA24D21FD,0x6911F258,0x7414C2E0,0xBF481145,0x39DC63EB,0xF280B04E,
|
||||
0x07AC0536,0xCCF0D693,0x4A64A43D,0x81387798,0x9C3D4720,0x57619485,0xD1F5E62B,0x1AA9358E,
|
||||
0xEBFF875B,0x20A354FE,0xA6372650,0x6D6BF5F5,0x706EC54D,0xBB3216E8,0x3DA66446,0xF6FAB7E3,
|
||||
0x047A07AD,0xCF26D408,0x49B2A6A6,0x82EE7503,0x9FEB45BB,0x54B7961E,0xD223E4B0,0x197F3715,
|
||||
0xE82985C0,0x23755665,0xA5E124CB,0x6EBDF76E,0x73B8C7D6,0xB8E41473,0x3E7066DD,0xF52CB578,
|
||||
0x0F580A6C,0xC404D9C9,0x4290AB67,0x89CC78C2,0x94C9487A,0x5F959BDF,0xD901E971,0x125D3AD4,
|
||||
0xE30B8801,0x28575BA4,0xAEC3290A,0x659FFAAF,0x789ACA17,0xB3C619B2,0x35526B1C,0xFE0EB8B9,
|
||||
0x0C8E08F7,0xC7D2DB52,0x4146A9FC,0x8A1A7A59,0x971F4AE1,0x5C439944,0xDAD7EBEA,0x118B384F,
|
||||
0xE0DD8A9A,0x2B81593F,0xAD152B91,0x6649F834,0x7B4CC88C,0xB0101B29,0x36846987,0xFDD8BA22,
|
||||
0x08F40F5A,0xC3A8DCFF,0x453CAE51,0x8E607DF4,0x93654D4C,0x58399EE9,0xDEADEC47,0x15F13FE2,
|
||||
0xE4A78D37,0x2FFB5E92,0xA96F2C3C,0x6233FF99,0x7F36CF21,0xB46A1C84,0x32FE6E2A,0xF9A2BD8F,
|
||||
0x0B220DC1,0xC07EDE64,0x46EAACCA,0x8DB67F6F,0x90B34FD7,0x5BEF9C72,0xDD7BEEDC,0x16273D79,
|
||||
0xE7718FAC,0x2C2D5C09,0xAAB92EA7,0x61E5FD02,0x7CE0CDBA,0xB7BC1E1F,0x31286CB1,0xFA74BF14,
|
||||
0x1EB014D8,0xD5ECC77D,0x5378B5D3,0x98246676,0x852156CE,0x4E7D856B,0xC8E9F7C5,0x03B52460,
|
||||
0xF2E396B5,0x39BF4510,0xBF2B37BE,0x7477E41B,0x6972D4A3,0xA22E0706,0x24BA75A8,0xEFE6A60D,
|
||||
0x1D661643,0xD63AC5E6,0x50AEB748,0x9BF264ED,0x86F75455,0x4DAB87F0,0xCB3FF55E,0x006326FB,
|
||||
0xF135942E,0x3A69478B,0xBCFD3525,0x77A1E680,0x6AA4D638,0xA1F8059D,0x276C7733,0xEC30A496,
|
||||
0x191C11EE,0xD240C24B,0x54D4B0E5,0x9F886340,0x828D53F8,0x49D1805D,0xCF45F2F3,0x04192156,
|
||||
0xF54F9383,0x3E134026,0xB8873288,0x73DBE12D,0x6EDED195,0xA5820230,0x2316709E,0xE84AA33B,
|
||||
0x1ACA1375,0xD196C0D0,0x5702B27E,0x9C5E61DB,0x815B5163,0x4A0782C6,0xCC93F068,0x07CF23CD,
|
||||
0xF6999118,0x3DC542BD,0xBB513013,0x700DE3B6,0x6D08D30E,0xA65400AB,0x20C07205,0xEB9CA1A0,
|
||||
0x11E81EB4,0xDAB4CD11,0x5C20BFBF,0x977C6C1A,0x8A795CA2,0x41258F07,0xC7B1FDA9,0x0CED2E0C,
|
||||
0xFDBB9CD9,0x36E74F7C,0xB0733DD2,0x7B2FEE77,0x662ADECF,0xAD760D6A,0x2BE27FC4,0xE0BEAC61,
|
||||
0x123E1C2F,0xD962CF8A,0x5FF6BD24,0x94AA6E81,0x89AF5E39,0x42F38D9C,0xC467FF32,0x0F3B2C97,
|
||||
0xFE6D9E42,0x35314DE7,0xB3A53F49,0x78F9ECEC,0x65FCDC54,0xAEA00FF1,0x28347D5F,0xE368AEFA,
|
||||
0x16441B82,0xDD18C827,0x5B8CBA89,0x90D0692C,0x8DD55994,0x46898A31,0xC01DF89F,0x0B412B3A,
|
||||
0xFA1799EF,0x314B4A4A,0xB7DF38E4,0x7C83EB41,0x6186DBF9,0xAADA085C,0x2C4E7AF2,0xE712A957,
|
||||
0x15921919,0xDECECABC,0x585AB812,0x93066BB7,0x8E035B0F,0x455F88AA,0xC3CBFA04,0x089729A1,
|
||||
0xF9C19B74,0x329D48D1,0xB4093A7F,0x7F55E9DA,0x6250D962,0xA90C0AC7,0x2F987869,0xE4C4ABCC,
|
||||
},
|
||||
|
||||
{
|
||||
0x00000000,0xA6770BB4,0x979F1129,0x31E81A9D,0xF44F2413,0x52382FA7,0x63D0353A,0xC5A73E8E,
|
||||
0x33EF4E67,0x959845D3,0xA4705F4E,0x020754FA,0xC7A06A74,0x61D761C0,0x503F7B5D,0xF64870E9,
|
||||
0x67DE9CCE,0xC1A9977A,0xF0418DE7,0x56368653,0x9391B8DD,0x35E6B369,0x040EA9F4,0xA279A240,
|
||||
0x5431D2A9,0xF246D91D,0xC3AEC380,0x65D9C834,0xA07EF6BA,0x0609FD0E,0x37E1E793,0x9196EC27,
|
||||
0xCFBD399C,0x69CA3228,0x582228B5,0xFE552301,0x3BF21D8F,0x9D85163B,0xAC6D0CA6,0x0A1A0712,
|
||||
0xFC5277FB,0x5A257C4F,0x6BCD66D2,0xCDBA6D66,0x081D53E8,0xAE6A585C,0x9F8242C1,0x39F54975,
|
||||
0xA863A552,0x0E14AEE6,0x3FFCB47B,0x998BBFCF,0x5C2C8141,0xFA5B8AF5,0xCBB39068,0x6DC49BDC,
|
||||
0x9B8CEB35,0x3DFBE081,0x0C13FA1C,0xAA64F1A8,0x6FC3CF26,0xC9B4C492,0xF85CDE0F,0x5E2BD5BB,
|
||||
0x440B7579,0xE27C7ECD,0xD3946450,0x75E36FE4,0xB044516A,0x16335ADE,0x27DB4043,0x81AC4BF7,
|
||||
0x77E43B1E,0xD19330AA,0xE07B2A37,0x460C2183,0x83AB1F0D,0x25DC14B9,0x14340E24,0xB2430590,
|
||||
0x23D5E9B7,0x85A2E203,0xB44AF89E,0x123DF32A,0xD79ACDA4,0x71EDC610,0x4005DC8D,0xE672D739,
|
||||
0x103AA7D0,0xB64DAC64,0x87A5B6F9,0x21D2BD4D,0xE47583C3,0x42028877,0x73EA92EA,0xD59D995E,
|
||||
0x8BB64CE5,0x2DC14751,0x1C295DCC,0xBA5E5678,0x7FF968F6,0xD98E6342,0xE86679DF,0x4E11726B,
|
||||
0xB8590282,0x1E2E0936,0x2FC613AB,0x89B1181F,0x4C162691,0xEA612D25,0xDB8937B8,0x7DFE3C0C,
|
||||
0xEC68D02B,0x4A1FDB9F,0x7BF7C102,0xDD80CAB6,0x1827F438,0xBE50FF8C,0x8FB8E511,0x29CFEEA5,
|
||||
0xDF879E4C,0x79F095F8,0x48188F65,0xEE6F84D1,0x2BC8BA5F,0x8DBFB1EB,0xBC57AB76,0x1A20A0C2,
|
||||
0x8816EAF2,0x2E61E146,0x1F89FBDB,0xB9FEF06F,0x7C59CEE1,0xDA2EC555,0xEBC6DFC8,0x4DB1D47C,
|
||||
0xBBF9A495,0x1D8EAF21,0x2C66B5BC,0x8A11BE08,0x4FB68086,0xE9C18B32,0xD82991AF,0x7E5E9A1B,
|
||||
0xEFC8763C,0x49BF7D88,0x78576715,0xDE206CA1,0x1B87522F,0xBDF0599B,0x8C184306,0x2A6F48B2,
|
||||
0xDC27385B,0x7A5033EF,0x4BB82972,0xEDCF22C6,0x28681C48,0x8E1F17FC,0xBFF70D61,0x198006D5,
|
||||
0x47ABD36E,0xE1DCD8DA,0xD034C247,0x7643C9F3,0xB3E4F77D,0x1593FCC9,0x247BE654,0x820CEDE0,
|
||||
0x74449D09,0xD23396BD,0xE3DB8C20,0x45AC8794,0x800BB91A,0x267CB2AE,0x1794A833,0xB1E3A387,
|
||||
0x20754FA0,0x86024414,0xB7EA5E89,0x119D553D,0xD43A6BB3,0x724D6007,0x43A57A9A,0xE5D2712E,
|
||||
0x139A01C7,0xB5ED0A73,0x840510EE,0x22721B5A,0xE7D525D4,0x41A22E60,0x704A34FD,0xD63D3F49,
|
||||
0xCC1D9F8B,0x6A6A943F,0x5B828EA2,0xFDF58516,0x3852BB98,0x9E25B02C,0xAFCDAAB1,0x09BAA105,
|
||||
0xFFF2D1EC,0x5985DA58,0x686DC0C5,0xCE1ACB71,0x0BBDF5FF,0xADCAFE4B,0x9C22E4D6,0x3A55EF62,
|
||||
0xABC30345,0x0DB408F1,0x3C5C126C,0x9A2B19D8,0x5F8C2756,0xF9FB2CE2,0xC813367F,0x6E643DCB,
|
||||
0x982C4D22,0x3E5B4696,0x0FB35C0B,0xA9C457BF,0x6C636931,0xCA146285,0xFBFC7818,0x5D8B73AC,
|
||||
0x03A0A617,0xA5D7ADA3,0x943FB73E,0x3248BC8A,0xF7EF8204,0x519889B0,0x6070932D,0xC6079899,
|
||||
0x304FE870,0x9638E3C4,0xA7D0F959,0x01A7F2ED,0xC400CC63,0x6277C7D7,0x539FDD4A,0xF5E8D6FE,
|
||||
0x647E3AD9,0xC209316D,0xF3E12BF0,0x55962044,0x90311ECA,0x3646157E,0x07AE0FE3,0xA1D90457,
|
||||
0x579174BE,0xF1E67F0A,0xC00E6597,0x66796E23,0xA3DE50AD,0x05A95B19,0x34414184,0x92364A30,
|
||||
},
|
||||
|
||||
{
|
||||
0x00000000,0xCCAA009E,0x4225077D,0x8E8F07E3,0x844A0EFA,0x48E00E64,0xC66F0987,0x0AC50919,
|
||||
0xD3E51BB5,0x1F4F1B2B,0x91C01CC8,0x5D6A1C56,0x57AF154F,0x9B0515D1,0x158A1232,0xD92012AC,
|
||||
0x7CBB312B,0xB01131B5,0x3E9E3656,0xF23436C8,0xF8F13FD1,0x345B3F4F,0xBAD438AC,0x767E3832,
|
||||
0xAF5E2A9E,0x63F42A00,0xED7B2DE3,0x21D12D7D,0x2B142464,0xE7BE24FA,0x69312319,0xA59B2387,
|
||||
0xF9766256,0x35DC62C8,0xBB53652B,0x77F965B5,0x7D3C6CAC,0xB1966C32,0x3F196BD1,0xF3B36B4F,
|
||||
0x2A9379E3,0xE639797D,0x68B67E9E,0xA41C7E00,0xAED97719,0x62737787,0xECFC7064,0x205670FA,
|
||||
0x85CD537D,0x496753E3,0xC7E85400,0x0B42549E,0x01875D87,0xCD2D5D19,0x43A25AFA,0x8F085A64,
|
||||
0x562848C8,0x9A824856,0x140D4FB5,0xD8A74F2B,0xD2624632,0x1EC846AC,0x9047414F,0x5CED41D1,
|
||||
0x299DC2ED,0xE537C273,0x6BB8C590,0xA712C50E,0xADD7CC17,0x617DCC89,0xEFF2CB6A,0x2358CBF4,
|
||||
0xFA78D958,0x36D2D9C6,0xB85DDE25,0x74F7DEBB,0x7E32D7A2,0xB298D73C,0x3C17D0DF,0xF0BDD041,
|
||||
0x5526F3C6,0x998CF358,0x1703F4BB,0xDBA9F425,0xD16CFD3C,0x1DC6FDA2,0x9349FA41,0x5FE3FADF,
|
||||
0x86C3E873,0x4A69E8ED,0xC4E6EF0E,0x084CEF90,0x0289E689,0xCE23E617,0x40ACE1F4,0x8C06E16A,
|
||||
0xD0EBA0BB,0x1C41A025,0x92CEA7C6,0x5E64A758,0x54A1AE41,0x980BAEDF,0x1684A93C,0xDA2EA9A2,
|
||||
0x030EBB0E,0xCFA4BB90,0x412BBC73,0x8D81BCED,0x8744B5F4,0x4BEEB56A,0xC561B289,0x09CBB217,
|
||||
0xAC509190,0x60FA910E,0xEE7596ED,0x22DF9673,0x281A9F6A,0xE4B09FF4,0x6A3F9817,0xA6959889,
|
||||
0x7FB58A25,0xB31F8ABB,0x3D908D58,0xF13A8DC6,0xFBFF84DF,0x37558441,0xB9DA83A2,0x7570833C,
|
||||
0x533B85DA,0x9F918544,0x111E82A7,0xDDB48239,0xD7718B20,0x1BDB8BBE,0x95548C5D,0x59FE8CC3,
|
||||
0x80DE9E6F,0x4C749EF1,0xC2FB9912,0x0E51998C,0x04949095,0xC83E900B,0x46B197E8,0x8A1B9776,
|
||||
0x2F80B4F1,0xE32AB46F,0x6DA5B38C,0xA10FB312,0xABCABA0B,0x6760BA95,0xE9EFBD76,0x2545BDE8,
|
||||
0xFC65AF44,0x30CFAFDA,0xBE40A839,0x72EAA8A7,0x782FA1BE,0xB485A120,0x3A0AA6C3,0xF6A0A65D,
|
||||
0xAA4DE78C,0x66E7E712,0xE868E0F1,0x24C2E06F,0x2E07E976,0xE2ADE9E8,0x6C22EE0B,0xA088EE95,
|
||||
0x79A8FC39,0xB502FCA7,0x3B8DFB44,0xF727FBDA,0xFDE2F2C3,0x3148F25D,0xBFC7F5BE,0x736DF520,
|
||||
0xD6F6D6A7,0x1A5CD639,0x94D3D1DA,0x5879D144,0x52BCD85D,0x9E16D8C3,0x1099DF20,0xDC33DFBE,
|
||||
0x0513CD12,0xC9B9CD8C,0x4736CA6F,0x8B9CCAF1,0x8159C3E8,0x4DF3C376,0xC37CC495,0x0FD6C40B,
|
||||
0x7AA64737,0xB60C47A9,0x3883404A,0xF42940D4,0xFEEC49CD,0x32464953,0xBCC94EB0,0x70634E2E,
|
||||
0xA9435C82,0x65E95C1C,0xEB665BFF,0x27CC5B61,0x2D095278,0xE1A352E6,0x6F2C5505,0xA386559B,
|
||||
0x061D761C,0xCAB77682,0x44387161,0x889271FF,0x825778E6,0x4EFD7878,0xC0727F9B,0x0CD87F05,
|
||||
0xD5F86DA9,0x19526D37,0x97DD6AD4,0x5B776A4A,0x51B26353,0x9D1863CD,0x1397642E,0xDF3D64B0,
|
||||
0x83D02561,0x4F7A25FF,0xC1F5221C,0x0D5F2282,0x079A2B9B,0xCB302B05,0x45BF2CE6,0x89152C78,
|
||||
0x50353ED4,0x9C9F3E4A,0x121039A9,0xDEBA3937,0xD47F302E,0x18D530B0,0x965A3753,0x5AF037CD,
|
||||
0xFF6B144A,0x33C114D4,0xBD4E1337,0x71E413A9,0x7B211AB0,0xB78B1A2E,0x39041DCD,0xF5AE1D53,
|
||||
0x2C8E0FFF,0xE0240F61,0x6EAB0882,0xA201081C,0xA8C40105,0x646E019B,0xEAE10678,0x264B06E6,
|
||||
}
|
||||
};
|
||||
|
||||
/// compute CRC32 (Slicing-by-8 algorithm), unroll inner loop 4 times
|
||||
uint32_t crc32_slice_by_8(const void* data, size_t length, uint32_t previousCrc32)
|
||||
{
|
||||
uint32_t crc = ~previousCrc32; // same as previousCrc32 ^ 0xFFFFFFFF
|
||||
|
||||
const uint32_t* current;
|
||||
const uint8_t* currentChar = (const uint8_t*) data;
|
||||
|
||||
// enabling optimization (at least -O2) automatically unrolls the inner for-loop
|
||||
const size_t Unroll = 4;
|
||||
const size_t BytesAtOnce = 8 * Unroll;
|
||||
|
||||
// wanted: 32 bit / 4 Byte alignment, compute leading, unaligned bytes length
|
||||
uintptr_t unaligned_length = (4 - (((uintptr_t) currentChar) & 3)) & 3;
|
||||
// process unaligned bytes, if any (standard algorithm)
|
||||
while ((length != 0) && (unaligned_length != 0))
|
||||
{
|
||||
crc = (crc >> 8) ^ Crc32Lookup[0][(crc & 0xFF) ^ *currentChar++];
|
||||
length--;
|
||||
unaligned_length--;
|
||||
}
|
||||
|
||||
// pointer points to 32bit aligned address now
|
||||
current = (const uint32_t*) currentChar;
|
||||
|
||||
// process 4x eight bytes at once (Slicing-by-8)
|
||||
while (length >= BytesAtOnce)
|
||||
{
|
||||
size_t unrolling;
|
||||
for (unrolling = 0; unrolling < Unroll; unrolling++)
|
||||
{
|
||||
#if BORG_BIG_ENDIAN
|
||||
uint32_t one = *current++ ^ _le32toh(crc);
|
||||
uint32_t two = *current++;
|
||||
crc = Crc32Lookup[0][ two & 0xFF] ^
|
||||
Crc32Lookup[1][(two>> 8) & 0xFF] ^
|
||||
Crc32Lookup[2][(two>>16) & 0xFF] ^
|
||||
Crc32Lookup[3][(two>>24) & 0xFF] ^
|
||||
Crc32Lookup[4][ one & 0xFF] ^
|
||||
Crc32Lookup[5][(one>> 8) & 0xFF] ^
|
||||
Crc32Lookup[6][(one>>16) & 0xFF] ^
|
||||
Crc32Lookup[7][(one>>24) & 0xFF];
|
||||
#else
|
||||
uint32_t one = *current++ ^ crc;
|
||||
uint32_t two = *current++;
|
||||
crc = Crc32Lookup[0][(two>>24) & 0xFF] ^
|
||||
Crc32Lookup[1][(two>>16) & 0xFF] ^
|
||||
Crc32Lookup[2][(two>> 8) & 0xFF] ^
|
||||
Crc32Lookup[3][ two & 0xFF] ^
|
||||
Crc32Lookup[4][(one>>24) & 0xFF] ^
|
||||
Crc32Lookup[5][(one>>16) & 0xFF] ^
|
||||
Crc32Lookup[6][(one>> 8) & 0xFF] ^
|
||||
Crc32Lookup[7][ one & 0xFF];
|
||||
#endif
|
||||
|
||||
}
|
||||
|
||||
length -= BytesAtOnce;
|
||||
}
|
||||
|
||||
currentChar = (const uint8_t*) current;
|
||||
// remaining 1 to 31 bytes (standard algorithm)
|
||||
while (length-- != 0)
|
||||
crc = (crc >> 8) ^ Crc32Lookup[0][(crc & 0xFF) ^ *currentChar++];
|
||||
|
||||
return ~crc; // same as crc ^ 0xFFFFFFFF
|
||||
}
|
@ -7,9 +7,7 @@
|
||||
from ..algorithms import checksums
|
||||
from ..helpers import bin_to_hex
|
||||
|
||||
crc32_implementations = [checksums.crc32_slice_by_8]
|
||||
if checksums.have_clmul:
|
||||
crc32_implementations.append(checksums.crc32_clmul)
|
||||
crc32_implementations = [checksums.deflate_crc32]
|
||||
|
||||
|
||||
@pytest.mark.parametrize('implementation', crc32_implementations)
|
||||
|
Loading…
Reference in New Issue
Block a user