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perplexity: fix integer overflow #23496

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Merged
ggerganov merged 1 commit into from
May 22, 2026
Merged

perplexity: fix integer overflow #23496

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2 changes: 1 addition & 1 deletion tools/perplexity/perplexity.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -524,7 +524,7 @@ static results_perplexity perplexity(llama_context * ctx, const common_params &
logits_stream.write((const char *)&n_chunk, sizeof(n_chunk));
logits_stream.write((const char *)tokens.data(), n_chunk*n_ctx*sizeof(tokens[0]));
const int nv = 2*((n_vocab + 1)/2) + 4;
log_probs.resize(n_ctx * nv);
log_probs.resize(size_t(n_ctx) * nv);
}

// We get the logits for all the tokens in the context window (params.n_ctx)
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