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vocab : remove </s> eog token if gemma4 (#21492)

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This commit is contained in:
Aldehir Rojas
2026-04-08 09:53:06 -05:00
committed by GitHub
parent 4a05e0c566
commit d9a12c82f0
1 changed files with 29 additions and 1 deletions
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30
src/llama-vocab.cpp
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@@ -2558,7 +2558,8 @@ void llama_vocab::impl::load(llama_model_loader & ml, const LLM_KV & kv) {
|| t.first == "[EOS]" // Kimi-K2
|| t.first == "<|end_of_text|>"
|| t.first == "<end_of_utterance>" // smoldocling
|| t.first == "<turn|>" // gemma4
|| t.first == "<eos>" // gemma4
|| t.first == "<turn|>" // gemma4
|| t.first == "<|tool_response>" // gemma4
|| t.first == "<｜end▁of▁sentence｜>" // deepseek-ocr
) {
@@ -2645,6 +2646,33 @@ void llama_vocab::impl::load(llama_model_loader & ml, const LLM_KV & kv) {
LLAMA_LOG_WARN("%s: special_eog_ids contains both '<|return|>' and '<|call|>', or '<|calls|>' and '<|flush|>' tokens, removing '<|end|>' token from EOG list\n", __func__);
}
}
// workaround for gemma4 and paddleocr: do not include </s> as an eog token
{
bool has_tool_response = false;
bool has_s = false;
llama_token s_id = LLAMA_TOKEN_NULL;
for (auto tid : special_eog_ids) {
const auto & text = id_to_token[tid].text;
if (text == "<|tool_response>") {
has_tool_response = true;
} else if (text == "</s>") {
has_s = true;
s_id = tid;
}
}
if (has_tool_response && has_s) {
special_eog_ids.erase(s_id);
auto & attr = id_to_token[s_id].attr;
attr = LLAMA_TOKEN_ATTR_NORMAL;
LLAMA_LOG_WARN("%s: special_eog_ids contains '<|tool_response>', removing '</s>' token from EOG list\n", __func__);
}
}
}
// build special tokens cache