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[SYCL] Use urGetDeviceInfo to check bfloat16 native conversion extension #18023

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Merged
merged 5 commits into from
Apr 16, 2025
Merged

[SYCL] Use urGetDeviceInfo to check bfloat16 native conversion extension #18023

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4824f48
[SYCL] Use urGetDeviceInfo to check bfloat16 native conversion ext
jinge90 Apr 15, 2025
c4e79a6
Merge remote-tracking branch 'upstream/sycl' into update_bf16_query
jinge90 Apr 16, 2025
21bfc64
Update sycl/source/detail/program_manager/program_manager.cpp
jinge90 Apr 16, 2025
d289886
check whether bf16 query result is successful
jinge90 Apr 16, 2025
b20663d
fix bug
jinge90 Apr 16, 2025
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17 changes: 13 additions & 4 deletions sycl/source/detail/program_manager/program_manager.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -641,12 +641,21 @@ bool ProgramManager::isSpecialDeviceImageShouldBeUsed(
// TODO: re-design the encode of the devicelib metadata if we must support
// more devicelib images in this way.
enum { DEVICELIB_FALLBACK = 0, DEVICELIB_NATIVE };
ur_bool_t NativeBF16Supported = false;
const std::shared_ptr<detail::device_impl> &DeviceImpl =
detail::getSyclObjImpl(Dev);
std::string NativeBF16ExtName = "cl_intel_bfloat16_conversions";
bool NativeBF16Supported = (DeviceImpl->has_extension(NativeBF16ExtName));
return NativeBF16Supported ==
(Bfloat16DeviceLibVersion == DEVICELIB_NATIVE);
ur_result_t CallSuccessful =
DeviceImpl->getAdapter()->call_nocheck<UrApiKind::urDeviceGetInfo>(
DeviceImpl->getHandleRef(),
UR_DEVICE_INFO_BFLOAT16_CONVERSIONS_NATIVE, sizeof(ur_bool_t),
&NativeBF16Supported, nullptr);
if (CallSuccessful != UR_RESULT_SUCCESS) {
// If backend query is not successful, we will use fallback bfloat16
// device library for safety.
return Bfloat16DeviceLibVersion == DEVICELIB_FALLBACK;
} else
return NativeBF16Supported ==
(Bfloat16DeviceLibVersion == DEVICELIB_NATIVE);
}

return false;
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