From: Ruben Ortlam <redacted>
Date: Mon, 2 Mar 2026 14:58:25 +0000 (+0100)
Subject: vulkan: tune MMVQ for Intel Windows (#19988)
X-Git-Tag: upstream/0.0.8611~424
X-Git-Url: https://git.djapps.eu/?a=commitdiff_plain;h=feefb928367a01c1912975f0b277a48a14bbcadf;p=pkg%2Fggml%2Fsources%2Fllama.cpp

vulkan: tune MMVQ for Intel Windows (#19988)
---

diff --git a/ggml/src/ggml-vulkan/ggml-vulkan.cpp b/ggml/src/ggml-vulkan/ggml-vulkan.cpp
index 72b11d378..23d6d39e0 100644
--- a/ggml/src/ggml-vulkan/ggml-vulkan.cpp
+++ b/ggml/src/ggml-vulkan/ggml-vulkan.cpp
@@ -7574,6 +7574,18 @@ static bool ggml_vk_should_use_mmvq(const vk_device& device, uint32_t m, uint32_
             return false;
         }
 
+        if (device->driver_id == vk::DriverId::eIntelProprietaryWindows) {
+            // Intel Windows proprietary driver tuning
+            switch (src0_type) {
+            case GGML_TYPE_MXFP4:
+            case GGML_TYPE_Q4_K:
+            case GGML_TYPE_Q5_K:
+                return false;
+            default:
+                return true;
+            }
+        }
+
         switch (src0_type) {
         // From tests on A770 Linux, may need more tuning
         case GGML_TYPE_Q4_0: