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Make subgroup tests run on devices without non uniform work groups (#2513)

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This allows implementors to support `cl_khr_subgroup_ballot` and
`cl_khr_subgroup_non_uniform_vote` without requiring non uniform
workgroup support.
This commit is contained in:
Karol Herbst
2025-09-09 17:54:19 +02:00
committed by GitHub
parent 3f6dd3c333
commit 87fcb5b45c
2 changed files with 32 additions and 6 deletions
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19
test_conformance/subgroups/test_subgroup_ballot.cpp
View File

@@ -896,8 +896,21 @@ REGISTER_TEST(subgroup_functions_ballot)
return TEST_SKIPPED_ITSELF;
}
constexpr size_t global_work_size = 170;
constexpr size_t local_work_size = 64;
int error = 0;
// Non-uniform work-groups are an optional feature from 3.0 onward.
cl_bool device_supports_non_uniform_wg = CL_TRUE;
if (get_device_cl_version(device) >= Version(3, 0))
{
error = clGetDeviceInfo(
device, CL_DEVICE_NON_UNIFORM_WORK_GROUP_SUPPORT, sizeof(cl_bool),
&device_supports_non_uniform_wg, nullptr);
test_error(error, "clGetDeviceInfo failed");
}
const size_t global_work_size = device_supports_non_uniform_wg ? 170 : 192;
const size_t local_work_size = 64;
WorkGroupParams test_params(global_work_size, local_work_size);
test_params.save_kernel_source(sub_group_ballot_mask_source);
test_params.save_kernel_source(sub_group_non_uniform_broadcast_source,
@@ -907,7 +920,7 @@ REGISTER_TEST(subgroup_functions_ballot)
RunTestForType rft(device, context, queue, num_elements, test_params);
// non uniform broadcast functions
int error = run_non_uniform_broadcast_for_type<cl_int>(rft);
error |= run_non_uniform_broadcast_for_type<cl_int>(rft);
error |= run_non_uniform_broadcast_for_type<cl_int2>(rft);
error |= run_non_uniform_broadcast_for_type<subgroups::cl_int3>(rft);
error |= run_non_uniform_broadcast_for_type<cl_int4>(rft);

19
test_conformance/subgroups/test_subgroup_non_uniform_vote.cpp
View File

@@ -261,15 +261,28 @@ REGISTER_TEST(subgroup_functions_non_uniform_vote)
return TEST_SKIPPED_ITSELF;
}
constexpr size_t global_work_size = 170;
constexpr size_t local_work_size = 64;
int error = 0;
// Non-uniform work-groups are an optional feature from 3.0 onward.
cl_bool device_supports_non_uniform_wg = CL_TRUE;
if (get_device_cl_version(device) >= Version(3, 0))
{
error = clGetDeviceInfo(
device, CL_DEVICE_NON_UNIFORM_WORK_GROUP_SUPPORT, sizeof(cl_bool),
&device_supports_non_uniform_wg, nullptr);
test_error(error, "clGetDeviceInfo failed");
}
const size_t global_work_size = device_supports_non_uniform_wg ? 170 : 192;
const size_t local_work_size = 64;
WorkGroupParams test_params(global_work_size, local_work_size, 3);
test_params.save_kernel_source(
sub_group_non_uniform_any_all_all_equal_source);
test_params.save_kernel_source(sub_group_elect_source, "sub_group_elect");
RunTestForType rft(device, context, queue, num_elements, test_params);
int error = run_vote_all_equal_for_type<cl_int>(rft);
error |= run_vote_all_equal_for_type<cl_int>(rft);
error |= run_vote_all_equal_for_type<cl_uint>(rft);
error |= run_vote_all_equal_for_type<cl_long>(rft);
error |= run_vote_all_equal_for_type<cl_ulong>(rft);