mirror of
https://github.com/moses-smt/mosesdecoder.git
synced 2024-12-26 13:23:25 +03:00
KenLM 98814b2 including faster malloc-backed building and portability improvements
This commit is contained in:
Kenneth Heafield
parent
bf54a5f38b
commit
1be424bcb3
@ -87,7 +87,7 @@ uint8_t *SetupJustVocab(const Config &config, uint8_t order, std::size_t memory_
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strncpy(reinterpret_cast<char*>(backing.vocab.get()), kMagicIncomplete, TotalHeaderSize(order));
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return reinterpret_cast<uint8_t*>(backing.vocab.get()) + TotalHeaderSize(order);
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} else {
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backing.vocab.reset(util::MapAnonymous(memory_size), memory_size, util::scoped_memory::MMAP_ALLOCATED);
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util::MapAnonymous(memory_size, backing.vocab);
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return reinterpret_cast<uint8_t*>(backing.vocab.get());
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}
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}
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@ -103,32 +103,44 @@ uint8_t *GrowForSearch(const Config &config, std::size_t vocab_pad, std::size_t
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throw e;
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}
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if (config.write_method == Config::WRITE_AFTER) {
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util::MapAnonymous(memory_size, backing.search);
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return reinterpret_cast<uint8_t*>(backing.search.get());
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}
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// mmap it now.
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// We're skipping over the header and vocab for the search space mmap. mmap likes page aligned offsets, so some arithmetic to round the offset down.
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std::size_t page_size = util::SizePage();
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std::size_t alignment_cruft = adjusted_vocab % page_size;
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backing.search.reset(util::MapOrThrow(alignment_cruft + memory_size, true, util::kFileFlags, false, backing.file.get(), adjusted_vocab - alignment_cruft), alignment_cruft + memory_size, util::scoped_memory::MMAP_ALLOCATED);
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return reinterpret_cast<uint8_t*>(backing.search.get()) + alignment_cruft;
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} else {
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backing.search.reset(util::MapAnonymous(memory_size), memory_size, util::scoped_memory::MMAP_ALLOCATED);
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util::MapAnonymous(memory_size, backing.search);
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return reinterpret_cast<uint8_t*>(backing.search.get());
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}
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}
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void FinishFile(const Config &config, ModelType model_type, unsigned int search_version, const std::vector<uint64_t> &counts, Backing &backing) {
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if (config.write_mmap) {
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util::SyncOrThrow(backing.search.get(), backing.search.size());
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util::SyncOrThrow(backing.vocab.get(), backing.vocab.size());
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// header and vocab share the same mmap. The header is written here because we know the counts.
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Parameters params = Parameters();
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params.counts = counts;
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params.fixed.order = counts.size();
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params.fixed.probing_multiplier = config.probing_multiplier;
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params.fixed.model_type = model_type;
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params.fixed.has_vocabulary = config.include_vocab;
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params.fixed.search_version = search_version;
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WriteHeader(backing.vocab.get(), params);
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void FinishFile(const Config &config, ModelType model_type, unsigned int search_version, const std::vector<uint64_t> &counts, std::size_t vocab_pad, Backing &backing) {
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if (!config.write_mmap) return;
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util::SyncOrThrow(backing.vocab.get(), backing.vocab.size());
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switch (config.write_method) {
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case Config::WRITE_MMAP:
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util::SyncOrThrow(backing.search.get(), backing.search.size());
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break;
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case Config::WRITE_AFTER:
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util::SeekOrThrow(backing.file.get(), backing.vocab.size() + vocab_pad);
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util::WriteOrThrow(backing.file.get(), backing.search.get(), backing.search.size());
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util::FSyncOrThrow(backing.file.get());
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break;
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}
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// header and vocab share the same mmap. The header is written here because we know the counts.
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Parameters params = Parameters();
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params.counts = counts;
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params.fixed.order = counts.size();
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params.fixed.probing_multiplier = config.probing_multiplier;
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params.fixed.model_type = model_type;
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params.fixed.has_vocabulary = config.include_vocab;
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params.fixed.search_version = search_version;
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WriteHeader(backing.vocab.get(), params);
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}
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namespace detail {
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@ -172,7 +184,7 @@ void ReadHeader(int fd, Parameters &out) {
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UTIL_THROW(FormatLoadException, "Binary format claims to have a probing multiplier of " << out.fixed.probing_multiplier << " which is < 1.0.");
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out.counts.resize(static_cast<std::size_t>(out.fixed.order));
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util::ReadOrThrow(fd, &*out.counts.begin(), sizeof(uint64_t) * out.fixed.order);
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if (out.fixed.order) util::ReadOrThrow(fd, &*out.counts.begin(), sizeof(uint64_t) * out.fixed.order);
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}
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void MatchCheck(ModelType model_type, unsigned int search_version, const Parameters ¶ms) {
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@ -58,7 +58,7 @@ uint8_t *GrowForSearch(const Config &config, std::size_t vocab_pad, std::size_t
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// Write header to binary file. This is done last to prevent incomplete files
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// from loading.
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void FinishFile(const Config &config, ModelType model_type, unsigned int search_version, const std::vector<uint64_t> &counts, Backing &backing);
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void FinishFile(const Config &config, ModelType model_type, unsigned int search_version, const std::vector<uint64_t> &counts, std::size_t vocab_pad, Backing &backing);
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namespace detail {
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@ -18,11 +18,14 @@ namespace ngram {
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namespace {
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void Usage(const char *name) {
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std::cerr << "Usage: " << name << " [-u log10_unknown_probability] [-s] [-i] [-p probing_multiplier] [-t trie_temporary] [-m trie_building_megabytes] [-q bits] [-b bits] [-a bits] [type] input.arpa [output.mmap]\n\n"
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std::cerr << "Usage: " << name << " [-u log10_unknown_probability] [-s] [-i] [-w mmap|after] [-p probing_multiplier] [-t trie_temporary] [-m trie_building_megabytes] [-q bits] [-b bits] [-a bits] [type] input.arpa [output.mmap]\n\n"
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"-u sets the log10 probability for <unk> if the ARPA file does not have one.\n"
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" Default is -100. The ARPA file will always take precedence.\n"
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"-s allows models to be built even if they do not have <s> and </s>.\n"
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"-i allows buggy models from IRSTLM by mapping positive log probability to 0.\n\n"
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"-i allows buggy models from IRSTLM by mapping positive log probability to 0.\n"
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"-w mmap|after determines how writing is done.\n"
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" mmap maps the binary file and writes to it. Default for trie.\n"
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" after allocates anonymous memory, builds, and writes. Default for probing.\n\n"
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"type is either probing or trie. Default is probing.\n\n"
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"probing uses a probing hash table. It is the fastest but uses the most memory.\n"
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"-p sets the space multiplier and must be >1.0. The default is 1.5.\n\n"
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@ -58,7 +61,7 @@ uint8_t ParseBitCount(const char *from) {
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unsigned long val = ParseUInt(from);
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if (val > 25) {
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util::ParseNumberException e(from);
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e << " bit counts are limited to 256.";
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e << " bit counts are limited to 25.";
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}
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return val;
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}
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@ -115,10 +118,10 @@ int main(int argc, char *argv[]) {
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using namespace lm::ngram;
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try {
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bool quantize = false, set_backoff_bits = false, bhiksha = false;
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bool quantize = false, set_backoff_bits = false, bhiksha = false, set_write_method = false;
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lm::ngram::Config config;
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int opt;
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while ((opt = getopt(argc, argv, "siu:p:t:m:q:b:a:")) != -1) {
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while ((opt = getopt(argc, argv, "q:b:a:u:p:t:m:w:si")) != -1) {
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switch(opt) {
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case 'q':
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config.prob_bits = ParseBitCount(optarg);
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@ -132,6 +135,7 @@ int main(int argc, char *argv[]) {
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case 'a':
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config.pointer_bhiksha_bits = ParseBitCount(optarg);
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bhiksha = true;
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break;
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case 'u':
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config.unknown_missing_logprob = ParseFloat(optarg);
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break;
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@ -144,6 +148,16 @@ int main(int argc, char *argv[]) {
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case 'm':
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config.building_memory = ParseUInt(optarg) * 1048576;
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break;
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case 'w':
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set_write_method = true;
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if (!strcmp(optarg, "mmap")) {
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config.write_method = Config::WRITE_MMAP;
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} else if (!strcmp(optarg, "after")) {
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config.write_method = Config::WRITE_AFTER;
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} else {
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Usage(argv[0]);
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}
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break;
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case 's':
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config.sentence_marker_missing = lm::SILENT;
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break;
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@ -160,45 +174,45 @@ int main(int argc, char *argv[]) {
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}
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if (optind + 1 == argc) {
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ShowSizes(argv[optind], config);
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return 0;
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}
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const char *model_type, *from_file;
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if (optind + 2 == argc) {
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model_type = "probing";
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from_file = argv[optind];
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} else if (optind + 2 == argc) {
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config.write_mmap = argv[optind + 1];
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} else if (optind + 3 == argc) {
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model_type = argv[optind];
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from_file = argv[optind + 1];
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config.write_mmap = argv[optind + 2];
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} else {
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Usage(argv[0]);
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}
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if (!strcmp(model_type, "probing")) {
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if (quantize || set_backoff_bits) ProbingQuantizationUnsupported();
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ProbingModel(from_file, config);
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} else if (!strcmp(model_type, "trie")) {
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if (quantize) {
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if (bhiksha) {
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QuantArrayTrieModel(from_file, config);
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ProbingModel(argv[optind], config);
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} else if (optind + 3 == argc) {
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const char *model_type = argv[optind];
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const char *from_file = argv[optind + 1];
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config.write_mmap = argv[optind + 2];
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if (!strcmp(model_type, "probing")) {
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if (!set_write_method) config.write_method = Config::WRITE_AFTER;
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if (quantize || set_backoff_bits) ProbingQuantizationUnsupported();
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ProbingModel(from_file, config);
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} else if (!strcmp(model_type, "trie")) {
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if (!set_write_method) config.write_method = Config::WRITE_MMAP;
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if (quantize) {
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if (bhiksha) {
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QuantArrayTrieModel(from_file, config);
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} else {
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QuantTrieModel(from_file, config);
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}
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} else {
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QuantTrieModel(from_file, config);
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if (bhiksha) {
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ArrayTrieModel(from_file, config);
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} else {
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TrieModel(from_file, config);
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}
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}
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} else {
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if (bhiksha) {
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ArrayTrieModel(from_file, config);
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} else {
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TrieModel(from_file, config);
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}
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Usage(argv[0]);
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}
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} else {
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Usage(argv[0]);
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}
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std::cerr << "Built " << config.write_mmap << " successfully." << std::endl;
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} catch (const std::exception &e) {
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}
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catch (const std::exception &e) {
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std::cerr << e.what() << std::endl;
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std::cerr << "ERROR" << std::endl;
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return 1;
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}
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std::cerr << "SUCCESS" << std::endl;
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return 0;
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}
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@ -17,6 +17,7 @@ Config::Config() :
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temporary_directory_prefix(NULL),
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arpa_complain(ALL),
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write_mmap(NULL),
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write_method(WRITE_AFTER),
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include_vocab(true),
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prob_bits(8),
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backoff_bits(8),
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@ -70,9 +70,17 @@ struct Config {
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// to NULL to disable.
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const char *write_mmap;
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typedef enum {
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WRITE_MMAP, // Map the file directly.
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WRITE_AFTER // Write after we're done.
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} WriteMethod;
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WriteMethod write_method;
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// Include the vocab in the binary file? Only effective if write_mmap != NULL.
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bool include_vocab;
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// Quantization options. Only effective for QuantTrieModel. One value is
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// reserved for each of prob and backoff, so 2^bits - 1 buckets will be used
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// to quantize (and one of the remaining backoffs will be 0).
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12
lm/model.cc
12
lm/model.cc
@ -46,7 +46,7 @@ template <class Search, class VocabularyT> GenericModel<Search, VocabularyT>::Ge
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template <class Search, class VocabularyT> void GenericModel<Search, VocabularyT>::InitializeFromBinary(void *start, const Parameters ¶ms, const Config &config, int fd) {
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SetupMemory(start, params.counts, config);
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vocab_.LoadedBinary(fd, config.enumerate_vocab);
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vocab_.LoadedBinary(params.fixed.has_vocabulary, fd, config.enumerate_vocab);
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search_.LoadedBinary();
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}
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@ -82,7 +82,7 @@ template <class Search, class VocabularyT> void GenericModel<Search, VocabularyT
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search_.unigram.Unknown().backoff = 0.0;
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search_.unigram.Unknown().prob = config.unknown_missing_logprob;
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}
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FinishFile(config, kModelType, kVersion, counts, backing_);
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FinishFile(config, kModelType, kVersion, counts, vocab_.UnkCountChangePadding(), backing_);
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} catch (util::Exception &e) {
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e << " Byte: " << f.Offset();
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throw;
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@ -119,7 +119,7 @@ template <class Search, class VocabularyT> FullScoreReturn GenericModel<Search,
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}
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float backoff;
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// i is the order of the backoff we're looking for.
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const Middle *mid_iter = search_.MiddleBegin() + start - 2;
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typename Search::MiddleIter mid_iter = search_.MiddleBegin() + start - 2;
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for (const WordIndex *i = context_rbegin + start - 1; i < context_rend; ++i, ++mid_iter) {
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if (!search_.LookupMiddleNoProb(*mid_iter, *i, backoff, node)) break;
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ret.prob += backoff;
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@ -139,7 +139,7 @@ template <class Search, class VocabularyT> void GenericModel<Search, VocabularyT
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search_.LookupUnigram(*context_rbegin, out_state.backoff[0], node, ignored);
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out_state.length = HasExtension(out_state.backoff[0]) ? 1 : 0;
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float *backoff_out = out_state.backoff + 1;
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const typename Search::Middle *mid = search_.MiddleBegin();
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typename Search::MiddleIter mid(search_.MiddleBegin());
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for (const WordIndex *i = context_rbegin + 1; i < context_rend; ++i, ++backoff_out, ++mid) {
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if (!search_.LookupMiddleNoProb(*mid, *i, *backoff_out, node)) {
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std::copy(context_rbegin, context_rbegin + out_state.length, out_state.words);
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@ -166,7 +166,7 @@ template <class Search, class VocabularyT> FullScoreReturn GenericModel<Search,
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// If this function is called, then it does depend on left words.
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ret.independent_left = false;
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ret.extend_left = extend_pointer;
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const typename Search::Middle *mid_iter = search_.MiddleBegin() + extend_length - 1;
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typename Search::MiddleIter mid_iter(search_.MiddleBegin() + extend_length - 1);
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const WordIndex *i = add_rbegin;
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for (; ; ++i, ++backoff_out, ++mid_iter) {
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if (i == add_rend) {
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@ -235,7 +235,7 @@ template <class Search, class VocabularyT> FullScoreReturn GenericModel<Search,
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// Ok start by looking up the bigram.
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const WordIndex *hist_iter = context_rbegin;
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const typename Search::Middle *mid_iter = search_.MiddleBegin();
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typename Search::MiddleIter mid_iter(search_.MiddleBegin());
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for (; ; ++mid_iter, ++hist_iter, ++backoff_out) {
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if (hist_iter == context_rend) {
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// Ran out of history. Typically no backoff, but this could be a blank.
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@ -20,11 +20,11 @@ namespace ngram {
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namespace {
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void MakeBins(float *values, float *values_end, float *centers, uint32_t bins) {
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std::sort(values, values_end);
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const float *start = values, *finish;
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void MakeBins(std::vector<float> &values, float *centers, uint32_t bins) {
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std::sort(values.begin(), values.end());
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std::vector<float>::const_iterator start = values.begin(), finish;
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for (uint32_t i = 0; i < bins; ++i, ++centers, start = finish) {
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finish = values + (((values_end - values) * static_cast<uint64_t>(i + 1)) / bins);
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finish = values.begin() + ((values.size() * static_cast<uint64_t>(i + 1)) / bins);
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if (finish == start) {
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// zero length bucket.
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*centers = i ? *(centers - 1) : -std::numeric_limits<float>::infinity();
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@ -66,12 +66,12 @@ void SeparatelyQuantize::Train(uint8_t order, std::vector<float> &prob, std::vec
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float *centers = start_ + TableStart(order) + ProbTableLength();
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*(centers++) = kNoExtensionBackoff;
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*(centers++) = kExtensionBackoff;
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MakeBins(&*backoff.begin(), &*backoff.end(), centers, (1ULL << backoff_bits_) - 2);
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MakeBins(backoff, centers, (1ULL << backoff_bits_) - 2);
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}
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void SeparatelyQuantize::TrainProb(uint8_t order, std::vector<float> &prob) {
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float *centers = start_ + TableStart(order);
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MakeBins(&*prob.begin(), &*prob.end(), centers, (1ULL << prob_bits_));
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MakeBins(prob, centers, (1ULL << prob_bits_));
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}
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void SeparatelyQuantize::FinishedLoading(const Config &config) {
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@ -84,9 +84,11 @@ template <class Middle> void FixSRI(int lower, float negative_lower_prob, unsign
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}
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template <class Voc, class Store, class Middle, class Activate> void ReadNGrams(util::FilePiece &f, const unsigned int n, const size_t count, const Voc &vocab, ProbBackoff *unigrams, std::vector<Middle> &middle, Activate activate, Store &store, PositiveProbWarn &warn) {
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assert(n >= 2);
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ReadNGramHeader(f, n);
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// vocab ids of words in reverse order
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// Both vocab_ids and keys are non-empty because n >= 2.
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// vocab ids of words in reverse order.
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std::vector<WordIndex> vocab_ids(n);
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std::vector<uint64_t> keys(n-1);
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typename Store::Entry::Value value;
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@ -147,7 +149,7 @@ template <class MiddleT, class LongestT> uint8_t *TemplateHashedSearch<MiddleT,
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template <class MiddleT, class LongestT> template <class Voc> void TemplateHashedSearch<MiddleT, LongestT>::InitializeFromARPA(const char * /*file*/, util::FilePiece &f, const std::vector<uint64_t> &counts, const Config &config, Voc &vocab, Backing &backing) {
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// TODO: fix sorted.
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SetupMemory(GrowForSearch(config, 0, Size(counts, config), backing), counts, config);
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SetupMemory(GrowForSearch(config, vocab.UnkCountChangePadding(), Size(counts, config), backing), counts, config);
|
||||
|
||||
PositiveProbWarn warn(config.positive_log_probability);
|
||||
|
||||
|
||||
@ -91,8 +91,10 @@ template <class MiddleT, class LongestT> class TemplateHashedSearch : public Has
|
||||
|
||||
template <class Voc> void InitializeFromARPA(const char *file, util::FilePiece &f, const std::vector<uint64_t> &counts, const Config &config, Voc &vocab, Backing &backing);
|
||||
|
||||
const Middle *MiddleBegin() const { return &*middle_.begin(); }
|
||||
const Middle *MiddleEnd() const { return &*middle_.end(); }
|
||||
typedef typename std::vector<Middle>::const_iterator MiddleIter;
|
||||
|
||||
MiddleIter MiddleBegin() const { return middle_.begin(); }
|
||||
MiddleIter MiddleEnd() const { return middle_.end(); }
|
||||
|
||||
Node Unpack(uint64_t extend_pointer, unsigned char extend_length, float &prob) const {
|
||||
util::FloatEnc val;
|
||||
|
||||
@ -197,7 +197,7 @@ class SRISucks {
|
||||
|
||||
void ObtainBackoffs(unsigned char total_order, FILE *unigram_file, RecordReader *reader) {
|
||||
for (unsigned char i = 0; i < kMaxOrder - 1; ++i) {
|
||||
it_[i] = &*values_[i].begin();
|
||||
it_[i] = values_[i].empty() ? NULL : &*values_[i].begin();
|
||||
}
|
||||
messages_[0].Apply(it_, unigram_file);
|
||||
BackoffMessages *messages = messages_ + 1;
|
||||
@ -229,8 +229,8 @@ class SRISucks {
|
||||
|
||||
class FindBlanks {
|
||||
public:
|
||||
FindBlanks(uint64_t *counts, unsigned char order, const ProbBackoff *unigrams, SRISucks &messages)
|
||||
: counts_(counts), longest_counts_(counts + order - 1), unigrams_(unigrams), sri_(messages) {}
|
||||
FindBlanks(unsigned char order, const ProbBackoff *unigrams, SRISucks &messages)
|
||||
: counts_(order), unigrams_(unigrams), sri_(messages) {}
|
||||
|
||||
float UnigramProb(WordIndex index) const {
|
||||
return unigrams_[index].prob;
|
||||
@ -250,7 +250,7 @@ class FindBlanks {
|
||||
}
|
||||
|
||||
void Longest(const void * /*data*/) {
|
||||
++*longest_counts_;
|
||||
++counts_.back();
|
||||
}
|
||||
|
||||
// Unigrams wrote one past.
|
||||
@ -258,8 +258,12 @@ class FindBlanks {
|
||||
--counts_[0];
|
||||
}
|
||||
|
||||
const std::vector<uint64_t> &Counts() const {
|
||||
return counts_;
|
||||
}
|
||||
|
||||
private:
|
||||
uint64_t *const counts_, *const longest_counts_;
|
||||
std::vector<uint64_t> counts_;
|
||||
|
||||
const ProbBackoff *unigrams_;
|
||||
|
||||
@ -473,14 +477,15 @@ template <class Quant, class Bhiksha> void BuildTrie(SortedFiles &files, std::ve
|
||||
}
|
||||
|
||||
SRISucks sri;
|
||||
std::vector<uint64_t> fixed_counts(counts.size());
|
||||
std::vector<uint64_t> fixed_counts;
|
||||
util::scoped_FILE unigram_file;
|
||||
util::scoped_fd unigram_fd(files.StealUnigram());
|
||||
{
|
||||
util::scoped_memory unigrams;
|
||||
MapRead(util::POPULATE_OR_READ, unigram_fd.get(), 0, counts[0] * sizeof(ProbBackoff), unigrams);
|
||||
FindBlanks finder(&*fixed_counts.begin(), counts.size(), reinterpret_cast<const ProbBackoff*>(unigrams.get()), sri);
|
||||
FindBlanks finder(counts.size(), reinterpret_cast<const ProbBackoff*>(unigrams.get()), sri);
|
||||
RecursiveInsert(counts.size(), counts[0], inputs, config.messages, "Identifying n-grams omitted by SRI", finder);
|
||||
fixed_counts = finder.Counts();
|
||||
}
|
||||
unigram_file.reset(util::FDOpenOrThrow(unigram_fd));
|
||||
for (const RecordReader *i = inputs; i != inputs + counts.size() - 2; ++i) {
|
||||
|
||||
@ -62,6 +62,8 @@ template <class Quant, class Bhiksha> class TrieSearch {
|
||||
|
||||
void LoadedBinary();
|
||||
|
||||
typedef const Middle *MiddleIter;
|
||||
|
||||
const Middle *MiddleBegin() const { return middle_begin_; }
|
||||
const Middle *MiddleEnd() const { return middle_end_; }
|
||||
|
||||
|
||||
@ -83,7 +83,12 @@ FILE *WriteContextFile(uint8_t *begin, uint8_t *end, const util::TempMaker &make
|
||||
PartialIter context_begin(PartialViewProxy(begin + sizeof(WordIndex), entry_size, context_size));
|
||||
PartialIter context_end(PartialViewProxy(end + sizeof(WordIndex), entry_size, context_size));
|
||||
|
||||
std::sort(context_begin, context_end, util::SizedCompare<EntryCompare, PartialViewProxy>(EntryCompare(order - 1)));
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
std::stable_sort
|
||||
#else
|
||||
std::sort
|
||||
#endif
|
||||
(context_begin, context_end, util::SizedCompare<EntryCompare, PartialViewProxy>(EntryCompare(order - 1)));
|
||||
|
||||
util::scoped_FILE out(maker.MakeFile());
|
||||
|
||||
@ -157,7 +162,10 @@ void RecordReader::Overwrite(const void *start, std::size_t amount) {
|
||||
UTIL_THROW_IF(fseek(file_, internal - entry_size_, SEEK_CUR), util::ErrnoException, "Couldn't seek backwards for revision");
|
||||
WriteOrThrow(file_, start, amount);
|
||||
long forward = entry_size_ - internal - amount;
|
||||
if (forward) UTIL_THROW_IF(fseek(file_, forward, SEEK_CUR), util::ErrnoException, "Couldn't seek forwards past revision");
|
||||
#if !defined(_WIN32) && !defined(_WIN64)
|
||||
if (forward)
|
||||
#endif
|
||||
UTIL_THROW_IF(fseek(file_, forward, SEEK_CUR), util::ErrnoException, "Couldn't seek forwards past revision");
|
||||
}
|
||||
|
||||
void RecordReader::Rewind() {
|
||||
@ -244,8 +252,13 @@ void SortedFiles::ConvertToSorted(util::FilePiece &f, const SortedVocabulary &vo
|
||||
}
|
||||
// Sort full records by full n-gram.
|
||||
util::SizedProxy proxy_begin(begin, entry_size), proxy_end(out_end, entry_size);
|
||||
// parallel_sort uses too much RAM
|
||||
std::sort(NGramIter(proxy_begin), NGramIter(proxy_end), util::SizedCompare<EntryCompare>(EntryCompare(order)));
|
||||
// parallel_sort uses too much RAM. TODO: figure out why windows sort doesn't like my proxies.
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
std::stable_sort
|
||||
#else
|
||||
std::sort
|
||||
#endif
|
||||
(NGramIter(proxy_begin), NGramIter(proxy_end), util::SizedCompare<EntryCompare>(EntryCompare(order)));
|
||||
files.push_back(DiskFlush(begin, out_end, maker));
|
||||
contexts.push_back(WriteContextFile(begin, out_end, maker, entry_size, order));
|
||||
|
||||
|
||||
16
lm/vocab.cc
16
lm/vocab.cc
@ -125,8 +125,10 @@ WordIndex SortedVocabulary::Insert(const StringPiece &str) {
|
||||
|
||||
void SortedVocabulary::FinishedLoading(ProbBackoff *reorder_vocab) {
|
||||
if (enumerate_) {
|
||||
util::PairedIterator<ProbBackoff*, std::string*> values(reorder_vocab + 1, &*strings_to_enumerate_.begin());
|
||||
util::JointSort(begin_, end_, values);
|
||||
if (!strings_to_enumerate_.empty()) {
|
||||
util::PairedIterator<ProbBackoff*, std::string*> values(reorder_vocab + 1, &*strings_to_enumerate_.begin());
|
||||
util::JointSort(begin_, end_, values);
|
||||
}
|
||||
for (WordIndex i = 0; i < static_cast<WordIndex>(end_ - begin_); ++i) {
|
||||
// <unk> strikes again: +1 here.
|
||||
enumerate_->Add(i + 1, strings_to_enumerate_[i]);
|
||||
@ -142,11 +144,11 @@ void SortedVocabulary::FinishedLoading(ProbBackoff *reorder_vocab) {
|
||||
bound_ = end_ - begin_ + 1;
|
||||
}
|
||||
|
||||
void SortedVocabulary::LoadedBinary(int fd, EnumerateVocab *to) {
|
||||
void SortedVocabulary::LoadedBinary(bool have_words, int fd, EnumerateVocab *to) {
|
||||
end_ = begin_ + *(reinterpret_cast<const uint64_t*>(begin_) - 1);
|
||||
SetSpecial(Index("<s>"), Index("</s>"), 0);
|
||||
bound_ = end_ - begin_ + 1;
|
||||
ReadWords(fd, to, bound_);
|
||||
if (have_words) ReadWords(fd, to, bound_);
|
||||
}
|
||||
|
||||
namespace {
|
||||
@ -201,12 +203,12 @@ void ProbingVocabulary::FinishedLoading(ProbBackoff * /*reorder_vocab*/) {
|
||||
SetSpecial(Index("<s>"), Index("</s>"), 0);
|
||||
}
|
||||
|
||||
void ProbingVocabulary::LoadedBinary(int fd, EnumerateVocab *to) {
|
||||
void ProbingVocabulary::LoadedBinary(bool have_words, int fd, EnumerateVocab *to) {
|
||||
UTIL_THROW_IF(header_->version != kProbingVocabularyVersion, FormatLoadException, "The binary file has probing version " << header_->version << " but the code expects version " << kProbingVocabularyVersion << ". Please rerun build_binary using the same version of the code.");
|
||||
lookup_.LoadedBinary();
|
||||
bound_ = header_->bound;
|
||||
SetSpecial(Index("<s>"), Index("</s>"), 0);
|
||||
ReadWords(fd, to, bound_);
|
||||
if (have_words) ReadWords(fd, to, bound_);
|
||||
}
|
||||
|
||||
void MissingUnknown(const Config &config) throw(SpecialWordMissingException) {
|
||||
@ -229,7 +231,7 @@ void MissingSentenceMarker(const Config &config, const char *str) throw(SpecialW
|
||||
if (config.messages) *config.messages << "Missing special word " << str << "; will treat it as <unk>.";
|
||||
break;
|
||||
case THROW_UP:
|
||||
UTIL_THROW(SpecialWordMissingException, "The ARPA file is missing " << str << " and the model is configured to reject these models. If you built your APRA with IRSTLM and forgot to run add-start-end.sh, complain to <bertoldi at fbk.eu> stating that you think build-lm.sh should do this by default, then go back and retrain your model from the start. To bypass this check and treat " << str << " as an OOV, pass -s. The resulting model will not work with e.g. Moses.");
|
||||
UTIL_THROW(SpecialWordMissingException, "The ARPA file is missing " << str << " and the model is configured to reject these models. Run build_binary -s to disable this check.");
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -82,7 +82,7 @@ class SortedVocabulary : public base::Vocabulary {
|
||||
|
||||
bool SawUnk() const { return saw_unk_; }
|
||||
|
||||
void LoadedBinary(int fd, EnumerateVocab *to);
|
||||
void LoadedBinary(bool have_words, int fd, EnumerateVocab *to);
|
||||
|
||||
private:
|
||||
uint64_t *begin_, *end_;
|
||||
@ -143,9 +143,11 @@ class ProbingVocabulary : public base::Vocabulary {
|
||||
|
||||
void FinishedLoading(ProbBackoff *reorder_vocab);
|
||||
|
||||
std::size_t UnkCountChangePadding() const { return 0; }
|
||||
|
||||
bool SawUnk() const { return saw_unk_; }
|
||||
|
||||
void LoadedBinary(int fd, EnumerateVocab *to);
|
||||
void LoadedBinary(bool have_words, int fd, EnumerateVocab *to);
|
||||
|
||||
private:
|
||||
typedef util::ProbingHashTable<ProbingVocabuaryEntry, util::IdentityHash> Lookup;
|
||||
|
||||
@ -47,7 +47,14 @@ inline uint8_t BitPackShift(uint8_t bit, uint8_t length) {
|
||||
#endif
|
||||
|
||||
inline uint64_t ReadOff(const void *base, uint64_t bit_off) {
|
||||
#if defined(__arm) || defined(__arm__)
|
||||
const uint8_t *base_off = reinterpret_cast<const uint8_t*>(base) + (bit_off >> 3);
|
||||
uint64_t value64;
|
||||
memcpy(&value64, base_off, sizeof(value64));
|
||||
return value64;
|
||||
#else
|
||||
return *reinterpret_cast<const uint64_t*>(reinterpret_cast<const uint8_t*>(base) + (bit_off >> 3));
|
||||
#endif
|
||||
}
|
||||
|
||||
/* Pack integers up to 57 bits using their least significant digits.
|
||||
@ -75,7 +82,14 @@ inline void WriteInt57(void *base, uint64_t bit_off, uint8_t length, uint64_t va
|
||||
|
||||
/* Same caveats as above, but for a 25 bit limit. */
|
||||
inline uint32_t ReadInt25(const void *base, uint64_t bit_off, uint8_t length, uint32_t mask) {
|
||||
#if defined(__arm) || defined(__arm__)
|
||||
const uint8_t *base_off = reinterpret_cast<const uint8_t*>(base) + (bit_off >> 3);
|
||||
uint32_t value32;
|
||||
memcpy(&value32, base_off, sizeof(value32));
|
||||
return (value32 >> BitPackShift(bit_off & 7, length)) & mask;
|
||||
#else
|
||||
return (*reinterpret_cast<const uint32_t*>(reinterpret_cast<const uint8_t*>(base) + (bit_off >> 3)) >> BitPackShift(bit_off & 7, length)) & mask;
|
||||
#endif
|
||||
}
|
||||
|
||||
inline void WriteInt25(void *base, uint64_t bit_off, uint8_t length, uint32_t value) {
|
||||
|
||||
@ -99,6 +99,13 @@ void WriteOrThrow(int fd, const void *data_void, std::size_t size) {
|
||||
}
|
||||
}
|
||||
|
||||
void FSyncOrThrow(int fd) {
|
||||
// Apparently windows doesn't have fsync?
|
||||
#if !defined(_WIN32) && !defined(_WIN64)
|
||||
UTIL_THROW_IF(-1 == fsync(fd), ErrnoException, "Sync of " << fd << " failed.");
|
||||
#endif
|
||||
}
|
||||
|
||||
namespace {
|
||||
void InternalSeek(int fd, off_t off, int whence) {
|
||||
UTIL_THROW_IF((off_t)-1 == lseek(fd, off, whence), ErrnoException, "Seek failed");
|
||||
|
||||
@ -78,6 +78,8 @@ std::size_t ReadOrEOF(int fd, void *to_void, std::size_t amount);
|
||||
|
||||
void WriteOrThrow(int fd, const void *data_void, std::size_t size);
|
||||
|
||||
void FSyncOrThrow(int fd);
|
||||
|
||||
// Seeking
|
||||
void SeekOrThrow(int fd, uint64_t off);
|
||||
void AdvanceOrThrow(int fd, int64_t off);
|
||||
|
||||
@ -24,12 +24,12 @@ ParseNumberException::ParseNumberException(StringPiece value) throw() {
|
||||
*this << "Could not parse \"" << value << "\" into a number";
|
||||
}
|
||||
|
||||
GZException::GZException(gzFile file) {
|
||||
#ifdef HAVE_ZLIB
|
||||
GZException::GZException(gzFile file) {
|
||||
int num;
|
||||
*this << gzerror( file, &num) << " from zlib";
|
||||
#endif // HAVE_ZLIB
|
||||
}
|
||||
#endif // HAVE_ZLIB
|
||||
|
||||
// Sigh this is the only way I could come up with to do a _const_ bool. It has ' ', '\f', '\n', '\r', '\t', and '\v' (same as isspace on C locale).
|
||||
const bool kSpaces[256] = {0,0,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
|
||||
|
||||
@ -27,7 +27,9 @@ class ParseNumberException : public Exception {
|
||||
|
||||
class GZException : public Exception {
|
||||
public:
|
||||
#ifdef HAVE_ZLIB
|
||||
explicit GZException(gzFile file);
|
||||
#endif
|
||||
GZException() throw() {}
|
||||
~GZException() throw() {}
|
||||
};
|
||||
|
||||
@ -1,126 +0,0 @@
|
||||
#ifndef UTIL_KEY_VALUE_PACKING__
|
||||
#define UTIL_KEY_VALUE_PACKING__
|
||||
|
||||
/* Why such a general interface? I'm planning on doing bit-level packing. */
|
||||
|
||||
#include <algorithm>
|
||||
#include <cstddef>
|
||||
#include <cstring>
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
namespace util {
|
||||
|
||||
template <class Key, class Value> struct Entry {
|
||||
Key key;
|
||||
Value value;
|
||||
|
||||
const Key &GetKey() const { return key; }
|
||||
const Value &GetValue() const { return value; }
|
||||
|
||||
Value &MutableValue() { return value; }
|
||||
|
||||
void Set(const Key &key_in, const Value &value_in) {
|
||||
SetKey(key_in);
|
||||
SetValue(value_in);
|
||||
}
|
||||
void SetKey(const Key &key_in) { key = key_in; }
|
||||
void SetValue(const Value &value_in) { value = value_in; }
|
||||
|
||||
bool operator<(const Entry<Key, Value> &other) const { return GetKey() < other.GetKey(); }
|
||||
};
|
||||
|
||||
// And now for a brief interlude to specialize std::swap.
|
||||
} // namespace util
|
||||
namespace std {
|
||||
template <class Key, class Value> void swap(util::Entry<Key, Value> &first, util::Entry<Key, Value> &second) {
|
||||
swap(first.key, second.key);
|
||||
swap(first.value, second.value);
|
||||
}
|
||||
}// namespace std
|
||||
namespace util {
|
||||
|
||||
template <class KeyT, class ValueT> class AlignedPacking {
|
||||
public:
|
||||
typedef KeyT Key;
|
||||
typedef ValueT Value;
|
||||
|
||||
public:
|
||||
static const std::size_t kBytes = sizeof(Entry<Key, Value>);
|
||||
static const std::size_t kBits = kBytes * 8;
|
||||
|
||||
typedef Entry<Key, Value> * MutableIterator;
|
||||
typedef const Entry<Key, Value> * ConstIterator;
|
||||
typedef const Entry<Key, Value> & ConstReference;
|
||||
|
||||
static MutableIterator FromVoid(void *start) {
|
||||
return reinterpret_cast<MutableIterator>(start);
|
||||
}
|
||||
|
||||
static Entry<Key, Value> Make(const Key &key, const Value &value) {
|
||||
Entry<Key, Value> ret;
|
||||
ret.Set(key, value);
|
||||
return ret;
|
||||
}
|
||||
};
|
||||
|
||||
template <class KeyT, class ValueT> class ByteAlignedPacking {
|
||||
public:
|
||||
typedef KeyT Key;
|
||||
typedef ValueT Value;
|
||||
|
||||
private:
|
||||
#pragma pack(push)
|
||||
#pragma pack(1)
|
||||
struct RawEntry {
|
||||
Key key;
|
||||
Value value;
|
||||
|
||||
const Key &GetKey() const { return key; }
|
||||
const Value &GetValue() const { return value; }
|
||||
|
||||
Value &MutableValue() { return value; }
|
||||
|
||||
void Set(const Key &key_in, const Value &value_in) {
|
||||
SetKey(key_in);
|
||||
SetValue(value_in);
|
||||
}
|
||||
void SetKey(const Key &key_in) { key = key_in; }
|
||||
void SetValue(const Value &value_in) { value = value_in; }
|
||||
|
||||
bool operator<(const RawEntry &other) const { return GetKey() < other.GetKey(); }
|
||||
};
|
||||
#pragma pack(pop)
|
||||
|
||||
friend void std::swap<>(RawEntry&, RawEntry&);
|
||||
|
||||
public:
|
||||
typedef RawEntry *MutableIterator;
|
||||
typedef const RawEntry *ConstIterator;
|
||||
typedef RawEntry &ConstReference;
|
||||
|
||||
static const std::size_t kBytes = sizeof(RawEntry);
|
||||
static const std::size_t kBits = kBytes * 8;
|
||||
|
||||
static MutableIterator FromVoid(void *start) {
|
||||
return MutableIterator(reinterpret_cast<RawEntry*>(start));
|
||||
}
|
||||
|
||||
static RawEntry Make(const Key &key, const Value &value) {
|
||||
RawEntry ret;
|
||||
ret.Set(key, value);
|
||||
return ret;
|
||||
}
|
||||
};
|
||||
|
||||
} // namespace util
|
||||
namespace std {
|
||||
template <class Key, class Value> void swap(
|
||||
typename util::ByteAlignedPacking<Key, Value>::RawEntry &first,
|
||||
typename util::ByteAlignedPacking<Key, Value>::RawEntry &second) {
|
||||
swap(first.key, second.key);
|
||||
swap(first.value, second.value);
|
||||
}
|
||||
}// namespace std
|
||||
|
||||
#endif // UTIL_KEY_VALUE_PACKING__
|
||||
@ -1,75 +0,0 @@
|
||||
#include "util/key_value_packing.hh"
|
||||
|
||||
#include <boost/random/mersenne_twister.hpp>
|
||||
#include <boost/random/uniform_int.hpp>
|
||||
#include <boost/random/variate_generator.hpp>
|
||||
#include <boost/scoped_array.hpp>
|
||||
#define BOOST_TEST_MODULE KeyValueStoreTest
|
||||
#include <boost/test/unit_test.hpp>
|
||||
|
||||
#include <limits>
|
||||
#include <stdlib.h>
|
||||
|
||||
namespace util {
|
||||
namespace {
|
||||
|
||||
BOOST_AUTO_TEST_CASE(basic_in_out) {
|
||||
typedef ByteAlignedPacking<uint64_t, unsigned char> Packing;
|
||||
void *backing = malloc(Packing::kBytes * 2);
|
||||
Packing::MutableIterator i(Packing::FromVoid(backing));
|
||||
i->SetKey(10);
|
||||
BOOST_CHECK_EQUAL(10, i->GetKey());
|
||||
i->SetValue(3);
|
||||
BOOST_CHECK_EQUAL(3, i->GetValue());
|
||||
++i;
|
||||
i->SetKey(5);
|
||||
BOOST_CHECK_EQUAL(5, i->GetKey());
|
||||
i->SetValue(42);
|
||||
BOOST_CHECK_EQUAL(42, i->GetValue());
|
||||
|
||||
Packing::ConstIterator c(i);
|
||||
BOOST_CHECK_EQUAL(5, c->GetKey());
|
||||
--c;
|
||||
BOOST_CHECK_EQUAL(10, c->GetKey());
|
||||
BOOST_CHECK_EQUAL(42, i->GetValue());
|
||||
|
||||
BOOST_CHECK_EQUAL(5, i->GetKey());
|
||||
free(backing);
|
||||
}
|
||||
|
||||
BOOST_AUTO_TEST_CASE(simple_sort) {
|
||||
typedef ByteAlignedPacking<uint64_t, unsigned char> Packing;
|
||||
char foo[Packing::kBytes * 4];
|
||||
Packing::MutableIterator begin(Packing::FromVoid(foo));
|
||||
Packing::MutableIterator i = begin;
|
||||
i->SetKey(0); ++i;
|
||||
i->SetKey(2); ++i;
|
||||
i->SetKey(3); ++i;
|
||||
i->SetKey(1); ++i;
|
||||
std::sort(begin, i);
|
||||
BOOST_CHECK_EQUAL(0, begin[0].GetKey());
|
||||
BOOST_CHECK_EQUAL(1, begin[1].GetKey());
|
||||
BOOST_CHECK_EQUAL(2, begin[2].GetKey());
|
||||
BOOST_CHECK_EQUAL(3, begin[3].GetKey());
|
||||
}
|
||||
|
||||
BOOST_AUTO_TEST_CASE(big_sort) {
|
||||
typedef ByteAlignedPacking<uint64_t, unsigned char> Packing;
|
||||
boost::scoped_array<char> memory(new char[Packing::kBytes * 1000]);
|
||||
Packing::MutableIterator begin(Packing::FromVoid(memory.get()));
|
||||
|
||||
boost::mt19937 rng;
|
||||
boost::uniform_int<uint64_t> range(0, std::numeric_limits<uint64_t>::max());
|
||||
boost::variate_generator<boost::mt19937&, boost::uniform_int<uint64_t> > gen(rng, range);
|
||||
|
||||
for (size_t i = 0; i < 1000; ++i) {
|
||||
(begin + i)->SetKey(gen());
|
||||
}
|
||||
std::sort(begin, begin + 1000);
|
||||
for (size_t i = 0; i < 999; ++i) {
|
||||
BOOST_CHECK(begin[i] < begin[i+1]);
|
||||
}
|
||||
}
|
||||
|
||||
} // namespace
|
||||
} // namespace util
|
||||
21
util/mmap.cc
21
util/mmap.cc
@ -101,9 +101,10 @@ void *MapOrThrow(std::size_t size, bool for_write, int flags, bool prefault, int
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
int protectC = for_write ? PAGE_READWRITE : PAGE_READONLY;
|
||||
int protectM = for_write ? FILE_MAP_WRITE : FILE_MAP_READ;
|
||||
HANDLE hMapping = CreateFileMapping((HANDLE)_get_osfhandle(fd), NULL, protectC, 0, size + offset, NULL);
|
||||
uint64_t total_size = size + offset;
|
||||
HANDLE hMapping = CreateFileMapping((HANDLE)_get_osfhandle(fd), NULL, protectC, total_size >> 32, static_cast<DWORD>(total_size), NULL);
|
||||
UTIL_THROW_IF(!hMapping, ErrnoException, "CreateFileMapping failed");
|
||||
LPVOID ret = MapViewOfFile(hMapping, protectM, 0, offset, size);
|
||||
LPVOID ret = MapViewOfFile(hMapping, protectM, offset >> 32, offset, size);
|
||||
CloseHandle(hMapping);
|
||||
UTIL_THROW_IF(!ret, ErrnoException, "MapViewOfFile failed");
|
||||
#else
|
||||
@ -147,16 +148,20 @@ void MapRead(LoadMethod method, int fd, uint64_t offset, std::size_t size, scope
|
||||
}
|
||||
}
|
||||
|
||||
void *MapAnonymous(std::size_t size) {
|
||||
return MapOrThrow(size, true,
|
||||
// Allocates zeroed memory in to.
|
||||
void MapAnonymous(std::size_t size, util::scoped_memory &to) {
|
||||
to.reset();
|
||||
#if defined(_WIN32) || defined(_WIN64)
|
||||
0 // MapOrThrow ignores the flags anyway.
|
||||
#elif defined(MAP_ANONYMOUS)
|
||||
MAP_ANONYMOUS | MAP_PRIVATE // Linux
|
||||
to.reset(calloc(1, size), size, scoped_memory::MALLOC_ALLOCATED);
|
||||
#else
|
||||
to.reset(MapOrThrow(size, true,
|
||||
# if defined(MAP_ANONYMOUS)
|
||||
MAP_ANONYMOUS | MAP_PRIVATE // Linux
|
||||
# else
|
||||
MAP_ANON | MAP_PRIVATE // BSD
|
||||
# endif
|
||||
, false, -1, 0), size, scoped_memory::MMAP_ALLOCATED);
|
||||
#endif
|
||||
, false, -1, 0);
|
||||
}
|
||||
|
||||
void *MapZeroedWrite(int fd, std::size_t size) {
|
||||
|
||||
@ -100,7 +100,7 @@ void *MapOrThrow(std::size_t size, bool for_write, int flags, bool prefault, int
|
||||
|
||||
void MapRead(LoadMethod method, int fd, uint64_t offset, std::size_t size, scoped_memory &out);
|
||||
|
||||
void *MapAnonymous(std::size_t size);
|
||||
void MapAnonymous(std::size_t size, scoped_memory &to);
|
||||
|
||||
// Open file name with mmap of size bytes, all of which are initially zero.
|
||||
void *MapZeroedWrite(int fd, std::size_t size);
|
||||
|
||||
@ -7,9 +7,11 @@
|
||||
* placed in namespace util
|
||||
* add MurmurHashNative
|
||||
* default option = 0 for seed
|
||||
* ARM port from NICT
|
||||
*/
|
||||
|
||||
#include "util/murmur_hash.hh"
|
||||
#include <string.h>
|
||||
|
||||
namespace util {
|
||||
|
||||
@ -28,12 +30,24 @@ uint64_t MurmurHash64A ( const void * key, std::size_t len, unsigned int seed )
|
||||
|
||||
uint64_t h = seed ^ (len * m);
|
||||
|
||||
#if defined(__arm) || defined(__arm__)
|
||||
const size_t ksize = sizeof(uint64_t);
|
||||
const unsigned char * data = (const unsigned char *)key;
|
||||
const unsigned char * end = data + (std::size_t)(len/8) * ksize;
|
||||
#else
|
||||
const uint64_t * data = (const uint64_t *)key;
|
||||
const uint64_t * end = data + (len/8);
|
||||
#endif
|
||||
|
||||
while(data != end)
|
||||
{
|
||||
#if defined(__arm) || defined(__arm__)
|
||||
uint64_t k;
|
||||
memcpy(&k, data, ksize);
|
||||
data += ksize;
|
||||
#else
|
||||
uint64_t k = *data++;
|
||||
#endif
|
||||
|
||||
k *= m;
|
||||
k ^= k >> r;
|
||||
@ -75,16 +89,30 @@ uint64_t MurmurHash64B ( const void * key, std::size_t len, unsigned int seed )
|
||||
unsigned int h1 = seed ^ len;
|
||||
unsigned int h2 = 0;
|
||||
|
||||
#if defined(__arm) || defined(__arm__)
|
||||
size_t ksize = sizeof(unsigned int);
|
||||
const unsigned char * data = (const unsigned char *)key;
|
||||
#else
|
||||
const unsigned int * data = (const unsigned int *)key;
|
||||
#endif
|
||||
|
||||
unsigned int k1, k2;
|
||||
while(len >= 8)
|
||||
{
|
||||
unsigned int k1 = *data++;
|
||||
#if defined(__arm) || defined(__arm__)
|
||||
memcpy(&k1, data, ksize);
|
||||
data += ksize;
|
||||
memcpy(&k2, data, ksize);
|
||||
data += ksize;
|
||||
#else
|
||||
k1 = *data++;
|
||||
k2 = *data++;
|
||||
#endif
|
||||
|
||||
k1 *= m; k1 ^= k1 >> r; k1 *= m;
|
||||
h1 *= m; h1 ^= k1;
|
||||
len -= 4;
|
||||
|
||||
unsigned int k2 = *data++;
|
||||
k2 *= m; k2 ^= k2 >> r; k2 *= m;
|
||||
h2 *= m; h2 ^= k2;
|
||||
len -= 4;
|
||||
@ -92,7 +120,12 @@ uint64_t MurmurHash64B ( const void * key, std::size_t len, unsigned int seed )
|
||||
|
||||
if(len >= 4)
|
||||
{
|
||||
unsigned int k1 = *data++;
|
||||
#if defined(__arm) || defined(__arm__)
|
||||
memcpy(&k1, data, ksize);
|
||||
data += ksize;
|
||||
#else
|
||||
k1 = *data++;
|
||||
#endif
|
||||
k1 *= m; k1 ^= k1 >> r; k1 *= m;
|
||||
h1 *= m; h1 ^= k1;
|
||||
len -= 4;
|
||||
|
||||
@ -5,6 +5,7 @@
|
||||
#include <boost/random/variate_generator.hpp>
|
||||
#include <boost/scoped_array.hpp>
|
||||
#include <boost/unordered_map.hpp>
|
||||
|
||||
#define BOOST_TEST_MODULE SortedUniformTest
|
||||
#include <boost/test/unit_test.hpp>
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user