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[NFCI][SYCL] Use get_info_impl (not _nocheck) for USM info descriptors #18453

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Merged
merged 1 commit into from
May 14, 2025
+7 −13
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[NFCI][SYCL] Use get_info_impl (not _nocheck) for USM info descriptors #18453

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20 changes: 7 additions & 13 deletions sycl/source/detail/device_impl.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -589,33 +589,27 @@ class device_impl : public std::enable_shared_from_this<device_impl> {
}

CASE(info::device::usm_device_allocations) {
return get_info_impl_nocheck<UR_DEVICE_INFO_USM_DEVICE_SUPPORT>()
.value_or(0) &
return get_info_impl<UR_DEVICE_INFO_USM_DEVICE_SUPPORT>() &
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@intel/unified-runtime-reviewers , are any of these APIs expected to return a meaningful error that isn't an indication of everything being terribly broken?

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no, these aren't optional queries so it should be success or catastrophic failure as you say

UR_DEVICE_USM_ACCESS_CAPABILITY_FLAG_ACCESS;
}
CASE(info::device::usm_host_allocations) {
return get_info_impl_nocheck<UR_DEVICE_INFO_USM_HOST_SUPPORT>().value_or(
0) &
return get_info_impl<UR_DEVICE_INFO_USM_HOST_SUPPORT>() &
UR_DEVICE_USM_ACCESS_CAPABILITY_FLAG_ACCESS;
}
CASE(info::device::usm_shared_allocations) {
return get_info_impl_nocheck<UR_DEVICE_INFO_USM_SINGLE_SHARED_SUPPORT>()
.value_or(0) &
return get_info_impl<UR_DEVICE_INFO_USM_SINGLE_SHARED_SUPPORT>() &
UR_DEVICE_USM_ACCESS_CAPABILITY_FLAG_ACCESS;
}
CASE(info::device::usm_restricted_shared_allocations) {
auto cap_flags =
get_info_impl_nocheck<UR_DEVICE_INFO_USM_CROSS_SHARED_SUPPORT>();
if (!cap_flags.has_val())
return false;
ur_device_usm_access_capability_flags_t cap_flags =
get_info_impl<UR_DEVICE_INFO_USM_CROSS_SHARED_SUPPORT>();
// Check that we don't support any cross device sharing
return !(cap_flags.value() &
return !(cap_flags &
(UR_DEVICE_USM_ACCESS_CAPABILITY_FLAG_ACCESS |
UR_DEVICE_USM_ACCESS_CAPABILITY_FLAG_CONCURRENT_ACCESS));
}
CASE(info::device::usm_system_allocations) {
return get_info_impl_nocheck<UR_DEVICE_INFO_USM_SYSTEM_SHARED_SUPPORT>()
.value_or(0) &
return get_info_impl<UR_DEVICE_INFO_USM_SYSTEM_SHARED_SUPPORT>() &
UR_DEVICE_USM_ACCESS_CAPABILITY_FLAG_ACCESS;
}

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