vbatts/llama.cpp
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llama : suppress conversion from 'size_t' to 'int'

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This commit updates llm_tokenizer_spm.tokenize to suppress/remove the
following warnings that are generated on Windows when using MSVC:

```console
src\llama-vocab.cpp(211,1): warning C4267: 'argument':
    conversion from 'size_t' to 'int', possible loss of data
src\llama-vocab.cpp(517,1): warning C4267: 'argument':
    conversion from 'size_t' to 'int', possible loss of data
```

This is done by adding a cast for the size_t returned from
symbols.size(). I believe this is safe as it seems unlikely that
symbols, which stores an entry for each UTF8 character, would become
larger than INT_MAX.

The motivation for this change is to reduce the number of warnings that
are currently generated when building on Windows.
This commit is contained in:
Daniel Bevenius 2024-08-15 18:53:04 +01:00
parent d3ae0ee8d7
commit efeccedaf6
1 changed files with 4 additions and 2 deletions
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6
src/llama-vocab.cpp
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@ -207,7 +207,8 @@ struct llm_tokenizer_spm {
} }
// seed the work queue with all possible 2-character tokens. // seed the work queue with all possible 2-character tokens.
for (size_t i = 1; i < symbols.size(); ++i) { int symbols_size = static_cast<int>(symbols.size());
for (int i = 1; i < symbols_size; ++i) {
try_add_bigram(i - 1, i); try_add_bigram(i - 1, i);
} }
@ -511,7 +512,8 @@ struct llm_tokenizer_bpe {
index++; index++;
symbols.emplace_back(sym); symbols.emplace_back(sym);
} }
for (size_t i = 1; i < symbols.size(); ++i) { int symbols_size = static_cast<int>(symbols.size());
for (int i = 1; i < symbols_size; ++i) {
add_new_bigram(i - 1, i); add_new_bigram(i - 1, i);
} }