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Minor improvements in GPT2 tokenizer (#3567)

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* Fixing minor bugs in bpe_gpt2_preprocess

* Don't add bos token in test
This commit is contained in:
goerch
2023-10-10 18:59:52 +02:00
committed by GitHub
parent c5b49360d0
commit 233fc1c69f
5 changed files with 17 additions and 20 deletions
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8
tests/test-tokenizer-0-falcon.cpp
View File

@@ -36,6 +36,8 @@ static const std::map<std::string, std::vector<llama_token>> & k_tests() {
{ " Hello" , { 258, 23090, }, },
{ " Hello" , { 466, 23090, }, },
{ " Hello\n Hello" , { 466, 23090, 742, 23090, }, },
{ "\n =" , { 1212, 40, }, },
{ "' era" , { 18, 4932, }, },
};
return _k_tests;
@@ -155,7 +157,7 @@ int main(int argc, char **argv) {
fprintf(stderr, "%s : text size: %zu\n", __func__, text.size());
const std::vector<llama_token> res = llama_tokenize(ctx, text, true);
const std::vector<llama_token> res = llama_tokenize(ctx, text, false);
fprintf(stderr, "%s : tokens: %zu\n", __func__, res.size());
@@ -169,10 +171,8 @@ int main(int argc, char **argv) {
}
for (const auto & tok : res) {
ofs << tok << " ";
ofs << tok << " '" << llama_detokenize_bpe(ctx, std::vector<int>{tok}) << "'" << std::endl;
}
ofs << "\n";
}
fprintf(stderr, "%s : tokens written to '%s'\n", __func__, (fname_text + ".tokcpp").c_str());

9
tests/test-tokenizer-0-falcon.py
View File

@@ -41,6 +41,8 @@ tests = [
" Hello",
" Hello",
" Hello\n Hello",
"\n =",
"' era",
]
for text in tests:
@@ -69,15 +71,14 @@ fname_tok = args.fname_tok
if fname_tok:
print('tokenizing file: ', fname_tok)
fname_out = fname_tok + '.tok'
with open(fname_tok, 'r') as f:
with open(fname_tok, 'r', encoding='utf-8') as f:
lines = f.readlines()
s = ''.join(lines)
res = tokenizer.encode(s)
# write to file
with open(fname_out, 'w') as f:
with open(fname_out, 'w', encoding='utf-8') as f:
for x in res:
f.write(str(x) + ' ')
f.write('\n')
f.write(str(x) + ' \'' + tokenizer.decode(x) + '\'\n')
print('len(res): ', len(res))
print('len(lines): ', len(lines))
print('results written to: ', fname_out)

4
tests/test-tokenizer-0-llama.cpp
View File

@@ -174,10 +174,8 @@ int main(int argc, char **argv) {
}
for (const auto & tok : res) {
ofs << tok << " ";
ofs << tok << " '" << llama_detokenize_spm(ctx, std::vector<int>{tok}) << "'" << std::endl;
}
ofs << "\n";
}
fprintf(stderr, "%s : tokens written to '%s'\n", __func__, (fname_text + ".tokcpp").c_str());

7
tests/test-tokenizer-0-llama.py
View File

@@ -81,15 +81,14 @@ fname_tok = args.fname_tok
if fname_tok:
print('tokenizing file: ', fname_tok)
fname_out = fname_tok + '.tok'
with open(fname_tok, 'r') as f:
with open(fname_tok, 'r', encoding='utf-8') as f:
lines = f.readlines()
s = ''.join(lines)
res = tokenizer.encode(s, add_bos=True)
# write to file
with open(fname_out, 'w') as f:
with open(fname_out, 'w', encoding='utf-8') as f:
for x in res:
f.write(str(x) + ' ')
f.write('\n')
f.write(str(x) + ' \'' + tokenizer.decode(x) + '\'\n')
print('len(res): ', len(res))
print('len(lines): ', len(lines))
print('results written to: ', fname_out)