diff --git a/ggml/src/ggml-vulkan/ggml-vulkan.cpp b/ggml/src/ggml-vulkan/ggml-vulkan.cpp
index f19271ca87..801da7c7f8 100644
--- a/ggml/src/ggml-vulkan/ggml-vulkan.cpp
+++ b/ggml/src/ggml-vulkan/ggml-vulkan.cpp
@@ -4559,6 +4559,7 @@ static void ggml_vk_load_shaders(vk_device& device) {
 }
 
 static bool ggml_vk_khr_cooperative_matrix_support(const vk::PhysicalDeviceProperties& props, const vk::PhysicalDeviceDriverProperties& driver_props, vk_device_architecture arch);
+static uint32_t ggml_vk_intel_shader_core_count(const vk::PhysicalDevice& vkdev);
 
 static vk_device ggml_vk_get_device(size_t idx) {
     VK_LOG_DEBUG("ggml_vk_get_device(" << idx << ")");
@@ -4775,6 +4776,8 @@ static vk_device ggml_vk_get_device(size_t idx) {
             device->shader_core_count = sm_props.shaderSMCount;
         } else if (amd_shader_core_properties2) {
             device->shader_core_count = amd_shader_core_properties2_props.activeComputeUnitCount;
+        } else if (device->vendor_id == VK_VENDOR_ID_INTEL) {
+            device->shader_core_count = ggml_vk_intel_shader_core_count(device->physical_device);
         } else {
             device->shader_core_count = 0;
         }
@@ -8686,8 +8689,11 @@ static void ggml_vk_flash_attn(ggml_backend_vk_context * ctx, vk_context& subctx
     uint32_t split_kv = KV;
     uint32_t split_k = 1;
 
+    // Intel Alchemist prefers more workgroups
+    const uint32_t shader_core_count_multiplier = (ctx->device->vendor_id == VK_VENDOR_ID_INTEL && ctx->device->architecture != INTEL_XE2) ? 2 : 1;
+
     // Use a placeholder core count if one isn't available. split_k is a big help for perf.
-    const uint32_t shader_core_count = ctx->device->shader_core_count ? ctx->device->shader_core_count : 16;
+    const uint32_t shader_core_count = ctx->device->shader_core_count ? ctx->device->shader_core_count * shader_core_count_multiplier : 16;
 
     auto rows_cols = fa_rows_cols(path, HSK, HSV, !aligned, k->type, rows, small_cache);
     const uint32_t Br = rows_cols[0];
@@ -15446,6 +15452,46 @@ static bool ggml_vk_khr_cooperative_matrix_support(const vk::PhysicalDevicePrope
     }
 }
 
+static uint32_t ggml_vk_intel_shader_core_count(const vk::PhysicalDevice& vkdev) {
+    VkPhysicalDeviceProperties2 props = vkdev.getProperties2();
+
+    if (props.properties.vendorID != VK_VENDOR_ID_INTEL) {
+        return 0;
+    }
+
+    const uint32_t device_id = props.properties.deviceID;
+
+    switch (device_id) {
+    case 0x56A6:  // A310
+        return 6;
+    case 0x5693:  // A370M
+    case 0x56A5:  // A380
+    case 0x56B1:  // Pro A40/A50
+        return 8;
+    case 0x5697:  // A530M
+        return 12;
+    case 0x5692:  // A550M
+    case 0x56B3:  // Pro A60
+        return 16;
+    case 0x56A2:  // A580
+        return 24;
+    case 0x5691:  // A730M
+    case 0x56A1:  // A750
+        return 28;
+    case 0x56A0:  // A770
+    case 0x5690:  // A770M
+        return 32;
+    case 0xE212:  // Pro B50
+        return 16;
+    case 0xE20C:  // B570
+        return 18;
+    case 0xE20B:  // B580
+        return 20;
+    default:
+        return 0;
+    }
+}
+
 // checks
 
 #ifdef GGML_VULKAN_CHECK_RESULTS