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ollama-ollama/llama/patches/0029-ggml-cuda-skip-large-batches.patch
Daniel Hiltgen c146a138e3 ggml: handle all streams (#13350)
Follow up from #12992

Free all streams, and keep the alloc logic aligned across streams.
2025-12-05 16:10:33 -08:00

26 lines
1.1 KiB
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Michael Yang <git@mxy.ng>
Date: Tue, 18 Nov 2025 11:13:04 -0800
Subject: [PATCH] ggml-cuda: skip large batches
cuda panics on batches larger than 1024 so mark it as unsupported to
fallback to cpu
---
ggml/src/ggml-cuda/ggml-cuda.cu | 3 +++
1 file changed, 3 insertions(+)
diff --git a/ggml/src/ggml-cuda/ggml-cuda.cu b/ggml/src/ggml-cuda/ggml-cuda.cu
index c1bfadb3e..16c166a08 100644
--- a/ggml/src/ggml-cuda/ggml-cuda.cu
+++ b/ggml/src/ggml-cuda/ggml-cuda.cu
@@ -4570,6 +4570,9 @@ static bool ggml_backend_cuda_device_supports_op(ggml_backend_dev_t dev, const g
if (b->type == GGML_TYPE_F16 && a->type != GGML_TYPE_F16) {
return false;
}
+ if (op->op == GGML_OP_MUL_MAT && b->ne[2] * b->ne[3] > 1024) {
+ return false;
+ }
#ifdef GGML_USE_MUSA
const int cc = ggml_cuda_info().devices[dev_ctx->device].cc;
if (b->ne[2]*b->ne[3] > 1 && !ggml_is_transposed(a) && !ggml_is_transposed(b)) {