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cuda: fix rope fusion for gemma3 #17378

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Merged
merged 1 commit into from
Nov 19, 2025
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cuda: fix rope fusion for gemma3 #17378

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4 changes: 4 additions & 0 deletions ggml/src/ggml-cuda/ggml-cuda.cu
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Original file line number Diff line number Diff line change
Expand Up @@ -3001,6 +3001,10 @@ static void update_cuda_graph_executable(ggml_backend_cuda_context * cuda_ctx) {
static bool ggml_cuda_should_fuse_rope_set_rows(const ggml_tensor * rope,
const ggml_tensor * view,
const ggml_tensor * set_rows) {

if (rope->op != GGML_OP_ROPE || view->op != GGML_OP_VIEW || set_rows->op != GGML_OP_SET_ROWS) {
return false;
}
// ne3 not tested
if (rope->src[0]->ne[3] != 1) {
return false;
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