From: mgroeber9110 <redacted>
Date: Sun, 2 Aug 2026 18:44:00 +0000 (+0200)
Subject: opencl: limit local workgroup size for GLU operation (llama/26383)
X-Git-Tag: upstream/1.9.2~12
X-Git-Url: https://git.djapps.eu/?a=commitdiff_plain;h=78f340b5e81a533e952bda36a5a6a2f6b411179f;p=pkg%2Fggml%2Fsources%2Fwhisper.cpp

opencl: limit local workgroup size for GLU operation (llama/26383)
---

diff --git a/ggml/src/ggml-opencl/ggml-opencl.cpp b/ggml/src/ggml-opencl/ggml-opencl.cpp
index 388c585f..915c8e7b 100644
--- a/ggml/src/ggml-opencl/ggml-opencl.cpp
+++ b/ggml/src/ggml-opencl/ggml-opencl.cpp
@@ -24260,7 +24260,7 @@ static void ggml_cl_glu(ggml_backend_t backend, const ggml_tensor * src0, const
     }
 
     const size_t nrows = ggml_nrows(src0);
-    size_t nth = 512;
+    size_t nth = backend_ctx->max_workgroup_size < 512 ? backend_ctx->max_workgroup_size : 512;
     size_t global_work_size[] = {nrows*nth, 1, 1};
     size_t local_work_size[] = {nth, 1, 1};