batch : fix uninitialized has_cpl flag (ggml-org#14733)

ggerganov · web-flow · commit ad57d3edd2f4 · 2025-07-17T09:45:54.000+03:00
ggml-ci
diff --git a/src/llama-batch.cpp b/src/llama-batch.cpp
@@ -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) {
diff --git a/src/llama-batch.h b/src/llama-batch.h
@@ -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

Original file line number	Diff line number	Diff line change
`@@ -157,6 +157,8 @@ bool llama_batch_allocr::init(`
`157`	`157`	`n_outputs += batch.logits[i] != 0;`
`158`	`158`	`}`
`159`	`159`
	`160`	`+ has_cpl = false;`
	`161`	`+`
`160`	`162`	`// determine coupled sequences`
`161`	`163`	`// these are pairs of sequences that have at least one token in the input batch that is assigned to both of them`
`162`	`164`	`for (int32_t i = 0; i < batch.n_tokens; ++i) {`