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Diffstat (limited to 'lm/builder/corpus_count.hh')
-rw-r--r-- | lm/builder/corpus_count.hh | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/lm/builder/corpus_count.hh b/lm/builder/corpus_count.hh new file mode 100644 index 000000000..e255bad13 --- /dev/null +++ b/lm/builder/corpus_count.hh @@ -0,0 +1,42 @@ +#ifndef LM_BUILDER_CORPUS_COUNT__ +#define LM_BUILDER_CORPUS_COUNT__ + +#include "lm/word_index.hh" +#include "util/scoped.hh" + +#include <cstddef> +#include <string> +#include <stdint.h> + +namespace util { +class FilePiece; +namespace stream { +class ChainPosition; +} // namespace stream +} // namespace util + +namespace lm { +namespace builder { + +class CorpusCount { + public: + // Memory usage will be DedupeMultipler(order) * block_size + total_chain_size + unknown vocab_hash_size + static float DedupeMultiplier(std::size_t order); + + CorpusCount(util::FilePiece &from, int vocab_write, uint64_t &token_count, WordIndex &type_count, std::size_t entries_per_block); + + void Run(const util::stream::ChainPosition &position); + + private: + util::FilePiece &from_; + int vocab_write_; + uint64_t &token_count_; + WordIndex &type_count_; + + std::size_t dedupe_mem_size_; + util::scoped_malloc dedupe_mem_; +}; + +} // namespace builder +} // namespace lm +#endif // LM_BUILDER_CORPUS_COUNT__ |