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[L0] Fix Device Info Reporting for vector width to match spec #2447

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Merged
merged 1 commit into from
Dec 16, 2024
Merged

[L0] Fix Device Info Reporting for vector width to match spec #2447

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6 changes: 6 additions & 0 deletions source/adapters/level_zero/device.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -654,9 +654,15 @@ ur_result_t urDeviceGetInfo(
return ReturnValue(Device->ZeDeviceProperties->physicalEUSimdWidth / 4);
case UR_DEVICE_INFO_NATIVE_VECTOR_WIDTH_DOUBLE:
case UR_DEVICE_INFO_PREFERRED_VECTOR_WIDTH_DOUBLE:
// Must return 0 for *vector_width_double* if the device does not have fp64.
if (!(Device->ZeDeviceModuleProperties->flags & ZE_DEVICE_MODULE_FLAG_FP64))
return ReturnValue(uint32_t{0});
return ReturnValue(Device->ZeDeviceProperties->physicalEUSimdWidth / 8);
case UR_DEVICE_INFO_NATIVE_VECTOR_WIDTH_HALF:
case UR_DEVICE_INFO_PREFERRED_VECTOR_WIDTH_HALF:
// Must return 0 for *vector_width_half* if the device does not have fp16.
if (!(Device->ZeDeviceModuleProperties->flags & ZE_DEVICE_MODULE_FLAG_FP16))
return ReturnValue(uint32_t{0});
return ReturnValue(Device->ZeDeviceProperties->physicalEUSimdWidth / 2);
case UR_DEVICE_INFO_MAX_NUM_SUB_GROUPS: {
// Max_num_sub_Groups = maxTotalGroupSize/min(set of subGroupSizes);
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