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batch : fix uninitialized has_cpl flag #14733

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Merged
merged 1 commit into from
Jul 17, 2025
Merged

batch : fix uninitialized has_cpl flag #14733

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2 changes: 2 additions & 0 deletions src/llama-batch.cpp
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Expand Up @@ -157,6 +157,8 @@ bool llama_batch_allocr::init(
n_outputs += batch.logits[i] != 0;
}

has_cpl = false;

// determine coupled sequences
// these are pairs of sequences that have at least one token in the input batch that is assigned to both of them
for (int32_t i = 0; i < batch.n_tokens; ++i) {
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2 changes: 1 addition & 1 deletion src/llama-batch.h
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Expand Up @@ -117,7 +117,7 @@ class llama_batch_allocr {
using seq_cpl_t = std::vector<bool>;

// helper flag to quickly determine if there are any coupled sequences in the batch
bool has_cpl;
bool has_cpl = false;

std::vector<pos_set_t> seq_pos; // seq_pos[s]: the set of positions in sequence s
std::vector<seq_cpl_t> seq_cpl; // seq_cpl[s0][s1]: if sequence s0 is coupled to sequence s1
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