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SYCL: Alternative solution to avoid runtime error of launching kernel… #807

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merged 2 commits into from
Aug 27, 2024
Merged

SYCL: Alternative solution to avoid runtime error of launching kernel… #807

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SYCL: Alternative solution to avoid runtime error of launching kernel…
fengyuan14 Aug 23, 2024
c5923bf
Merge branch 'release/2.5' into fy/fix_launching_on_device1_for_release
fengyuan14 Aug 26, 2024
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9 changes: 7 additions & 2 deletions src/comm/DeviceProperties.h
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Original file line number Diff line number Diff line change
Expand Up @@ -16,8 +16,13 @@ static int64_t syclMaxWorkGroupSize(
auto dev = q.get_device();

auto kid = ::sycl::get_kernel_id<KernelClass>();
auto kbundle =
::sycl::get_kernel_bundle<::sycl::bundle_state::executable>(ctx, {kid});
// The kernel won't be built for devices except for the first device.
// Launching kernel on devices except for the first device will raise
// runtime error. Here is an alternative as a temporary solution to
// provide an extra hint to SYCL runtime.
// https://github.com/intel/llvm/issues/15127
auto kbundle = ::sycl::get_kernel_bundle<::sycl::bundle_state::executable>(
ctx, {dev}, {kid});

::sycl::kernel k = kbundle.get_kernel(kid);
return k.get_info<::sycl::info::kernel_device_specific::work_group_size>(dev);
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