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ollama-for-amd/llama/patches/0034-vulkan-fix-shmem-overrun-in-mmq-id-shader-16873.patch
Daniel Hiltgen 3a9e8e9fd4 vulkan: temporary cary of vulkan fixes (#12971)
This should be reverted once we update ggml past b6897
2025-11-12 08:31:40 -08:00

78 lines
3.1 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Ruben Ortlam <picard12@live.de>
Date: Fri, 31 Oct 2025 08:14:49 +0100
Subject: [PATCH] vulkan: fix shmem overrun in mmq id shader (#16873)
* vulkan: fix shmem overrun in mmq id shader
* metal : fix mul_mm_id
---------
Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
---
ggml/src/ggml-metal/ggml-metal-device.cpp | 2 +-
ggml/src/ggml-vulkan/vulkan-shaders/mul_mmq.comp | 4 ++++
ggml/src/ggml-vulkan/vulkan-shaders/mul_mmq_shmem_types.glsl | 2 +-
tests/test-backend-ops.cpp | 3 +++
4 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/ggml/src/ggml-metal/ggml-metal-device.cpp b/ggml/src/ggml-metal/ggml-metal-device.cpp
index 758116342..c78082ac3 100644
--- a/ggml/src/ggml-metal/ggml-metal-device.cpp
+++ b/ggml/src/ggml-metal/ggml-metal-device.cpp
@@ -677,7 +677,7 @@ ggml_metal_pipeline_t ggml_metal_library_get_pipeline_mul_mm_id_map0(ggml_metal_
char name[256];
snprintf(base, 256, "kernel_mul_mm_id_map0_ne20_%d", ne20);
- snprintf(name, 256, "%s", base);
+ snprintf(name, 256, "%s_ne02=%d", base, ne02);
ggml_metal_pipeline_t res = ggml_metal_library_get_pipeline(lib, name);
if (res) {
diff --git a/ggml/src/ggml-vulkan/vulkan-shaders/mul_mmq.comp b/ggml/src/ggml-vulkan/vulkan-shaders/mul_mmq.comp
index 8b238ac4b..d955b4fc7 100644
--- a/ggml/src/ggml-vulkan/vulkan-shaders/mul_mmq.comp
+++ b/ggml/src/ggml-vulkan/vulkan-shaders/mul_mmq.comp
@@ -82,9 +82,13 @@ layout (constant_id = 10) const uint WARP = 32;
#include "mul_mmq_shmem_types.glsl"
+#ifdef MUL_MAT_ID
+#define BK_STEP 1
+#else
#ifndef BK_STEP
#define BK_STEP 4
#endif
+#endif
// Shared memory cache
shared block_a_cache buf_a[BM * BK_STEP];
diff --git a/ggml/src/ggml-vulkan/vulkan-shaders/mul_mmq_shmem_types.glsl b/ggml/src/ggml-vulkan/vulkan-shaders/mul_mmq_shmem_types.glsl
index 72fec4404..1c0f5306f 100644
--- a/ggml/src/ggml-vulkan/vulkan-shaders/mul_mmq_shmem_types.glsl
+++ b/ggml/src/ggml-vulkan/vulkan-shaders/mul_mmq_shmem_types.glsl
@@ -27,7 +27,7 @@ struct block_a_cache {
#elif defined(DATA_A_Q8_0)
#define QUANT_R_MMQ 1
// AMD likes 4, Intel likes 1 and Nvidia likes 2
-#define BK_STEP 1
+// #define BK_STEP 1
struct block_a_cache {
int32_t qs[32/4];
FLOAT_TYPE dm;
diff --git a/tests/test-backend-ops.cpp b/tests/test-backend-ops.cpp
index 657b6cc2f..1f8dda383 100644
--- a/tests/test-backend-ops.cpp
+++ b/tests/test-backend-ops.cpp
@@ -6722,6 +6722,9 @@ static std::vector<std::unique_ptr<test_case>> make_test_cases_eval() {
test_cases.emplace_back(new test_mul_mat_id(GGML_TYPE_F16, GGML_TYPE_F32, 1, 1, false, 8, 16, 1));
test_cases.emplace_back(new test_mul_mat_id(GGML_TYPE_F16, GGML_TYPE_F32, 16, 16, false, 32, 32, 32, 3));
+ // gpt-oss issue with Vulkan mmq_id
+ test_cases.emplace_back(new test_mul_mat_id(GGML_TYPE_MXFP4, GGML_TYPE_F32, 32, 2, false, 2880, 32, 2880));
+
for (ggml_type type_a : base_types) {
for (ggml_type type_b : {GGML_TYPE_F32 /*, GGML_TYPE_F16 */}) {
for (int n_mats : {4, 8}) {