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debug: display tokens that were dropped by XTC sampler when debugmode is enabled (#1201)

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kallewoof 2024-11-07 00:09:28 +09:00 • committed by GitHub
parent 859ec03cd0
commit 3c36bbdcd7
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1 changed files with 13 additions and 0 deletions
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13
gpttype_adapter.cpp
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@ -740,10 +740,23 @@ void sample_xtc(llama_token_data_array * candidates, float xtc_threshold, float
if(last_idx>1) //if there are 2 or more viable candidates
{
if (debugmode==1) {
printf("XTC penalties [");
}
// then remove all other tokens above threshold EXCEPT the least likely one
for (size_t i = 0; i < last_idx - 1; ++i) {
if (debugmode==1)
{
gpt_vocab::id token = candidates->data[i].id;
std::string tokenizedstr = FileFormatTokenizeID(token, file_format);
::utreplace(tokenizedstr, "\n", "\\n");
printf("%s(%s %.02f%%)", i == 0 ? "" : " ", RemoveBell(tokenizedstr).c_str(), 100.f * candidates->data[i].p);
}
candidates->data[i].logit -= 999.0f; //infinity gets wonky results downstream, this hack works well enough
}
if (debugmode==1) {
printf("]\n");
}
candidates->sorted = false;
} //otherwise xtc does not do anything