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[SYCL] Added support for kernel descriptor compile_sub_group_size #373

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Merged
merged 1 commit into from
Aug 7, 2019
+15 −2
Merged

[SYCL] Added support for kernel descriptor compile_sub_group_size #373

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4 changes: 3 additions & 1 deletion sycl/include/CL/sycl/info/info_desc.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -203,7 +203,8 @@ enum class kernel_sub_group : cl_kernel_sub_group_info {
sub_group_count_for_ndrange = CL_KERNEL_SUB_GROUP_COUNT_FOR_NDRANGE,
local_size_for_sub_group_count = CL_KERNEL_LOCAL_SIZE_FOR_SUB_GROUP_COUNT,
max_num_sub_groups = CL_KERNEL_MAX_NUM_SUB_GROUPS,
compile_num_sub_groups = CL_KERNEL_COMPILE_NUM_SUB_GROUPS
compile_num_sub_groups = CL_KERNEL_COMPILE_NUM_SUB_GROUPS,
compile_sub_group_size = CL_KERNEL_COMPILE_SUB_GROUP_SIZE_INTEL
};

// A.6 Program information desctiptors
Expand Down Expand Up @@ -364,6 +365,7 @@ PARAM_TRAITS_SPEC_WITH_INPUT(kernel_sub_group, local_size_for_sub_group_count,
cl::sycl::range<3>, size_t)
PARAM_TRAITS_SPEC(kernel_sub_group, max_num_sub_groups, size_t)
PARAM_TRAITS_SPEC(kernel_sub_group, compile_num_sub_groups, size_t)
PARAM_TRAITS_SPEC(kernel_sub_group, compile_sub_group_size, size_t)

PARAM_TRAITS_SPEC(platform, profile, string_class)
PARAM_TRAITS_SPEC(platform, version, string_class)
Expand Down
13 changes: 12 additions & 1 deletion sycl/test/sub_group/info.cpp
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Expand Up @@ -72,6 +72,18 @@ int main() {
/* Sub-group size is not specified in kernel or IL*/
exit_if_not_equal<size_t>(Res, 0, "compile_num_sub_groups");

// According to specification, this kernel query requires `cl_khr_subgroups`
// or `cl_intel_subgroups`
if ((Device.has_extension("cl_khr_subgroups") ||
Device.has_extension("cl_intel_subgroups")) &&
Device.has_extension("cl_intel_required_subgroup_size")) {
Res = Kernel.get_sub_group_info<
info::kernel_sub_group::compile_sub_group_size>(Device);

/* Required sub-group size is not specified in kernel or IL*/
exit_if_not_equal<size_t>(Res, 0, "compile_sub_group_size");
}

/* Check work-group sizea which can accommodate the requested number of
* sub-groups*/
for (auto s : {(size_t)200, (size_t)1, (size_t)3, (size_t)5, (size_t)7,
Expand Down Expand Up @@ -103,4 +115,3 @@ int main() {
std::cout << "Test passed.\n";
return 0;
}