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vulkan: Enable VK_KHR_cooperative_matrix extension for Intel Xe2 GPUs (llama/14001)

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* allowing B580 and U9-288V

* experimenting code to detect Xe2

* allowing coopmat only for Xe2 GPUs

* fixed comment wording

* fixed comment wording

* removed unnecessary driver check
This commit is contained in:
Masato Nakasaka 2025-06-05 23:00:29 +09:00 committed by Georgi Gerganov
parent 13a03c5d33
commit f0f5a9f7fb
1 changed files with 32 additions and 2 deletions
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34
ggml/src/ggml-vulkan/ggml-vulkan.cpp
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@ -196,6 +196,7 @@ enum vk_device_architecture {
AMD_RDNA1,
AMD_RDNA2,
AMD_RDNA3,
INTEL_XE2,
};
static vk_device_architecture get_device_architecture(const vk::PhysicalDevice& device) {
@ -246,6 +247,34 @@ static vk_device_architecture get_device_architecture(const vk::PhysicalDevice&
}
return vk_device_architecture::AMD_RDNA2;
}
} else if (props.vendorID == VK_VENDOR_ID_INTEL) {
const std::vector<vk::ExtensionProperties> ext_props = device.enumerateDeviceExtensionProperties();
bool subgroup_size_control = false;
for (const auto& properties : ext_props) {
if (strcmp("VK_EXT_subgroup_size_control", properties.extensionName) == 0) {
subgroup_size_control = true;
}
}
if (!subgroup_size_control) {
return vk_device_architecture::OTHER;
}
vk::PhysicalDeviceProperties2 props2;
vk::PhysicalDeviceSubgroupSizeControlPropertiesEXT subgroup_size_control_props;
props2.pNext = &subgroup_size_control_props;
device.getProperties2(&props2);
if (subgroup_size_control_props.minSubgroupSize == 16) {
// Xe2 architecture uses SIMD16 while previous Xe and Gen architecture uses SIMD8.
// Minimum subgroup size matches the SIMD width so we distinguish architecture by checking this value.
// https://www.intel.com/content/www/us/en/content-details/824434/2024-intel-tech-tour-xe2-and-lunar-lake-s-gpu.html
// https://www.intel.com/content/www/us/en/docs/oneapi/optimization-guide-gpu/2025-0/intel-xe-gpu-architecture.html
return vk_device_architecture::INTEL_XE2;
}
}
return vk_device_architecture::OTHER;
}
@ -10263,8 +10292,9 @@ static bool ggml_vk_instance_portability_enumeration_ext_available(const std::ve
static bool ggml_vk_khr_cooperative_matrix_support(const vk::PhysicalDeviceProperties& props, const vk::PhysicalDeviceDriverProperties& driver_props, vk_device_architecture arch) {
switch (props.vendorID) {
case VK_VENDOR_ID_INTEL:
// Intel drivers don't support coopmat properly yet
return false;
// Only allowing Xe2 GPU at the moment since Xe2 GPU can gain significant performance boost,
// while some older hardware (ex. Arc A770) has performance regressions
return arch == vk_device_architecture::INTEL_XE2;
case VK_VENDOR_ID_AMD:
if (driver_props.driverID == vk::DriverId::eAmdProprietary || driver_props.driverID == vk::DriverId::eAmdOpenSource) {
// Workaround for AMD proprietary driver reporting support on all GPUs