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4 Commits

Author SHA1 Message Date
Jun Wu
55b6331aa4 indexedlog: add more benchmarks 
Summary:
Add benchmarks about index sizes, and a benchmark of insertion using key
references.

An example `cargo bench` result running on my devserver looks like:

  index insertion (owned key)     3.551 ms
  index insertion (referred key)  3.713 ms
  index flush                    20.648 ms
  index lookup (memory)           1.087 ms
  index lookup (disk, no verify)  2.041 ms
  index lookup (disk, verified)   4.347 ms
  index size (owned key)            886010
  index size (referred key)         534298

Reviewed By: markbt

Differential Revision: D13027879

fbshipit-source-id: 70644c504026ffee2122d857d5035f5b7eea4f42
 2018-12-06 14:57:52 -08:00
Jun Wu
3adc813687 codemod: add copyright headers 
Summary: This is just the result of running `./contrib/fix-code.py $(hg files .)`

Reviewed By: ikostia

Differential Revision: D10213075

fbshipit-source-id: 88577c9b9588a5b44fcf1fe6f0082815dfeb363a
 2018-10-26 15:09:12 -07:00
Jun Wu
3ec8c3af00 minibench: simple test filtering support 
Summary:
Now it's possible to filter tests like:

  cargo bench --bench index --verbose -- TEST_KEYWORD

Useful for profiling specific test.

Reviewed By: DurhamG

Differential Revision: D7562174

fbshipit-source-id: 9c7fe13a0541bd3dda7a9c1acf95c91513b633f2
 2018-04-17 18:54:39 -07:00
Jun Wu
f9fb60337a minibench: add a simple library to do benchmark 
Summary:
It's sad to find that existing Rust benchmark frameworks do not fit well in
our simple benchmark purpose. The benchmark library shipped with Rust [1] has
been in "nightly-only" for long. Third-party choices like "criterion.rs" does
too many things and misses certain small features. Namely, indexedlog wants:

  - More stable benchmark result. This means not picking the average time,
    but the "best" time among all runs, like what Mercurial does.
  - Do not measure setup cost from repetitive runs. As in D7404532, do not
    clone the index, and do not have separate "clone" benchmarks.
  - Faster benchmarks. This means getting rid of unused parts like calling
    gnuplot.

Besides, having the test framework to be lightweight also helps compilation
time. Looking at `indexedlog`'s dependencies (with unused "failure"
removed), 70% of them are from `criterion.rs`.

```
indexedlog v0.1.0 (lib/indexedlog)
[dependencies]
|-- atomicwrites v0.1.5
|   [dependencies]
|   |-- nix v0.9.0
|   |   [dependencies]
|   |   |-- bitflags v0.9.1
|   |   |-- cfg-if v0.1.2
|   |   |-- libc v0.2.39
|   |   `-- void v1.0.2
|   `-- tempdir v0.3.6
|       [dependencies]
|       |-- rand v0.4.2
|       |   [dependencies]
|       |   `-- libc v0.2.39 (*)
|       `-- remove_dir_all v0.3.0
|           [dependencies]
|           |-- kernel32-sys v0.2.2
|           |   [dependencies]
|           |   `-- winapi v0.2.8
|           |   [build-dependencies]
|           |   `-- winapi-build v0.1.1
|           `-- winapi v0.2.8 (*)
|-- byteorder v1.2.1
|-- fs2 v0.4.3
|   [dependencies]
|   `-- libc v0.2.39 (*)
|-- memmap v0.6.2
|   [dependencies]
|   `-- libc v0.2.39 (*)
|-- twox-hash v1.1.0
|   [dependencies]
|   `-- rand v0.3.22
|       [dependencies]
|       |-- libc v0.2.39 (*)
|       `-- rand v0.4.2 (*)
`-- vlqencoding v0.1.0 (lib/vlqencoding)
[dev-dependencies]
|-- criterion v0.2.1
|   [dependencies]
|   |-- atty v0.2.8
|   |   [dependencies]
|   |   `-- libc v0.2.39 (*)
|   |-- clap v2.31.1
|   |   [dependencies]
|   |   |-- ansi_term v0.11.0
|   |   |-- atty v0.2.8 (*)
|   |   |-- bitflags v1.0.1
|   |   |-- strsim v0.7.0
|   |   |-- textwrap v0.9.0
|   |   |   [dependencies]
|   |   |   `-- unicode-width v0.1.4
|   |   |-- unicode-width v0.1.4 (*)
|   |   `-- vec_map v0.8.0
|   |-- criterion-plot v0.2.1
|   |   [dependencies]
|   |   |-- byteorder v1.2.1 (*)
|   |   |-- cast v0.2.2
|   |   `-- itertools v0.7.7
|   |       [dependencies]
|   |       `-- either v1.4.0
|   |-- criterion-stats v0.2.1
|   |   [dependencies]
|   |   |-- cast v0.2.2 (*)
|   |   |-- num-traits v0.2.1
|   |   |-- num_cpus v1.8.0
|   |   |   [dependencies]
|   |   |   `-- libc v0.2.39 (*)
|   |   |-- rand v0.4.2 (*)
|   |   `-- thread-scoped v1.0.2
|   |-- failure v0.1.1
|   |   [dependencies]
|   |   |-- backtrace v0.3.5
|   |   |   [dependencies]
|   |   |   |-- backtrace-sys v0.1.16
|   |   |   |   [dependencies]
|   |   |   |   `-- libc v0.2.39 (*)
|   |   |   |   [build-dependencies]
|   |   |   |   `-- cc v1.0.8
|   |   |   |-- cfg-if v0.1.2 (*)
|   |   |   |-- libc v0.2.39 (*)
|   |   |   `-- rustc-demangle v0.1.7
|   |   `-- failure_derive v0.1.1
|   |       [dependencies]
|   |       |-- quote v0.3.15
|   |       |-- syn v0.11.11
|   |       |   [dependencies]
|   |       |   |-- quote v0.3.15 (*)
|   |       |   |-- synom v0.11.3
|   |       |   |   [dependencies]
|   |       |   |   `-- unicode-xid v0.0.4
|   |       |   `-- unicode-xid v0.0.4 (*)
|   |       `-- synstructure v0.6.1
|   |           [dependencies]
|   |           |-- quote v0.3.15 (*)
|   |           `-- syn v0.11.11 (*)
|   |-- failure_derive v0.1.1 (*)
|   |-- handlebars v0.31.0
|   |   [dependencies]
|   |   |-- lazy_static v1.0.0
|   |   |-- log v0.4.1
|   |   |   [dependencies]
|   |   |   `-- cfg-if v0.1.2 (*)
|   |   |-- pest v1.0.6
|   |   |-- pest_derive v1.0.6
|   |   |   [dependencies]
|   |   |   |-- pest v1.0.6 (*)
|   |   |   |-- quote v0.3.15 (*)
|   |   |   `-- syn v0.11.11 (*)
|   |   |-- quick-error v1.2.1
|   |   |-- regex v0.2.10
|   |   |   [dependencies]
|   |   |   |-- aho-corasick v0.6.4
|   |   |   |   [dependencies]
|   |   |   |   `-- memchr v2.0.1
|   |   |   |       [dependencies]
|   |   |   |       `-- libc v0.2.39 (*)
|   |   |   |-- memchr v2.0.1 (*)
|   |   |   |-- regex-syntax v0.5.3
|   |   |   |   [dependencies]
|   |   |   |   `-- ucd-util v0.1.1
|   |   |   |-- thread_local v0.3.5
|   |   |   |   [dependencies]
|   |   |   |   |-- lazy_static v1.0.0 (*)
|   |   |   |   `-- unreachable v1.0.0
|   |   |   |       [dependencies]
|   |   |   |       `-- void v1.0.2 (*)
|   |   |   `-- utf8-ranges v1.0.0
|   |   |-- serde v1.0.33
|   |   `-- serde_json v1.0.11
|   |       [dependencies]
|   |       |-- dtoa v0.4.2
|   |       |-- itoa v0.3.4
|   |       |-- num-traits v0.2.1 (*)
|   |       `-- serde v1.0.33 (*)
|   |-- itertools v0.7.7 (*)
|   |-- itertools-num v0.1.1
|   |   [dependencies]
|   |   `-- num-traits v0.1.43
|   |       [dependencies]
|   |       `-- num-traits v0.2.1 (*)
|   |-- log v0.4.1 (*)
|   |-- serde v1.0.33 (*)
|   |-- serde_derive v1.0.33
|   |   [dependencies]
|   |   |-- proc-macro2 v0.2.3
|   |   |   [dependencies]
|   |   |   `-- unicode-xid v0.1.0
|   |   |-- quote v0.4.2
|   |   |   [dependencies]
|   |   |   `-- proc-macro2 v0.2.3 (*)
|   |   |-- serde_derive_internals v0.21.0
|   |   |   [dependencies]
|   |   |   |-- proc-macro2 v0.2.3 (*)
|   |   |   `-- syn v0.12.14
|   |   |       [dependencies]
|   |   |       |-- proc-macro2 v0.2.3 (*)
|   |   |       |-- quote v0.4.2 (*)
|   |   |       `-- unicode-xid v0.1.0 (*)
|   |   `-- syn v0.12.14 (*)
|   |-- serde_json v1.0.11 (*)
|   `-- simplelog v0.5.0
|       [dependencies]
|       |-- chrono v0.4.0
|       |   [dependencies]
|       |   |-- num v0.1.42
|       |   |   [dependencies]
|       |   |   |-- num-integer v0.1.36
|       |   |   |   [dependencies]
|       |   |   |   `-- num-traits v0.2.1 (*)
|       |   |   |-- num-iter v0.1.35
|       |   |   |   [dependencies]
|       |   |   |   |-- num-integer v0.1.36 (*)
|       |   |   |   `-- num-traits v0.2.1 (*)
|       |   |   `-- num-traits v0.2.1 (*)
|       |   `-- time v0.1.39
|       |       [dependencies]
|       |       `-- libc v0.2.39 (*)
|       |       [dev-dependencies]
|       |       `-- winapi v0.3.4
|       |-- log v0.4.1 (*)
|       `-- term v0.4.6
|-- quickcheck v0.6.2
|   [dependencies]
|   |-- env_logger v0.5.6
|   |   [dependencies]
|   |   |-- atty v0.2.8 (*)
|   |   |-- humantime v1.1.1
|   |   |   [dependencies]
|   |   |   `-- quick-error v1.2.1 (*)
|   |   |-- log v0.4.1 (*)
|   |   |-- regex v0.2.10 (*)
|   |   `-- termcolor v0.3.5
|   |-- log v0.4.1 (*)
|   `-- rand v0.4.2 (*)
|-- rand v0.4.2 (*)
`-- tempdir v0.3.6 (*)
```

[1]: https://github.com/rust-lang/rust/issues/29553

Reviewed By: DurhamG

Differential Revision: D7440254

fbshipit-source-id: 53cdbd470945388db96702ab771a3f73b456da37
 2018-04-13 21:51:42 -07:00