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update encoder latency #4584

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Merged
facebook-github-bot merged 1 commit into from
Aug 8, 2024
Merged

update encoder latency #4584

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6 changes: 6 additions & 0 deletions extension/llm/tokenizer/tiktoken.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -359,8 +359,14 @@ Error Tiktoken::load(const std::string& path) {
_special_token_decoder = _build_decoder(_special_token_encoder);

_regex = _create_regex(_pattern);
// Warmup re2 as it is slow on the first run, void the return value as it's
// not needed Refer to
// https://github.com/google/re2/blob/6dcd83d60f7944926bfd308cc13979fc53dd69ca/re2/fuzzing/re2_fuzzer.cc#L136-L141
(void)_regex->ReverseProgramSize();

_special_token_regex = _build_special_token_regex(_special_token_encoder);
// Same as above, warm up re2
(void)_special_token_regex->ReverseProgramSize();

// initialize vocab_size, bos_tok, eos_tok
vocab_size_ = _encoder.size() + _special_token_encoder.size();
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