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//
// Copyright (c) 2017 The Khronos Group Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include "procs.h"
#include "subhelpers.h"
#include "subgroup_common_kernels.h"
#include "subgroup_common_templates.h"
#include "harness/conversions.h"
#include "harness/typeWrappers.h"
namespace {
// Any/All test functions
template <NonUniformVoteOp operation> struct AA
{
static void log_test(const WorkGroupParams &test_params,
const char *extra_text)
{
log_info(" sub_group_%s...%s\n", operation_names(operation),
extra_text);
}
static void gen(cl_int *x, cl_int *t, cl_int *m,
const WorkGroupParams &test_params)
{
int i, ii, j, k, n;
int ng = test_params.global_workgroup_size;
int nw = test_params.local_workgroup_size;
int ns = test_params.subgroup_size;
int nj = (nw + ns - 1) / ns;
int e;
ng = ng / nw;
ii = 0;
for (k = 0; k < ng; ++k)
{
for (j = 0; j < nj; ++j)
{
ii = j * ns;
n = ii + ns > nw ? nw - ii : ns;
e = (int)(genrand_int32(gMTdata) % 3);
// Initialize data matrix indexed by local id and sub group id
switch (e)
{
case 0: memset(&t[ii], 0, n * sizeof(cl_int)); break;
case 1:
memset(&t[ii], 0, n * sizeof(cl_int));
i = (int)(genrand_int32(gMTdata) % (cl_uint)n);
t[ii + i] = 41;
break;
case 2: memset(&t[ii], 0xff, n * sizeof(cl_int)); break;
}
}
// Now map into work group using map from device
for (j = 0; j < nw; ++j)
{
x[j] = t[j];
}
x += nw;
m += 4 * nw;
}
}
static test_status chk(cl_int *x, cl_int *y, cl_int *mx, cl_int *my,
cl_int *m, const WorkGroupParams &test_params)
{
int ii, i, j, k, n;
int ng = test_params.global_workgroup_size;
int nw = test_params.local_workgroup_size;
int ns = test_params.subgroup_size;
int nj = (nw + ns - 1) / ns;
cl_int taa, raa;
ng = ng / nw;
for (k = 0; k < ng; ++k)
{
// Map to array indexed to array indexed by local ID and sub group
for (j = 0; j < nw; ++j)
{
mx[j] = x[j];
my[j] = y[j];
}
for (j = 0; j < nj; ++j)
{
ii = j * ns;
n = ii + ns > nw ? nw - ii : ns;
// Compute target
if (operation == NonUniformVoteOp::any)
{
taa = 0;
for (i = 0; i < n; ++i) taa |= mx[ii + i] != 0;
}
if (operation == NonUniformVoteOp::all)
{
taa = 1;
for (i = 0; i < n; ++i) taa &= mx[ii + i] != 0;
}
// Check result
for (i = 0; i < n; ++i)
{
raa = my[ii + i] != 0;
if (raa != taa)
{
log_error("ERROR: sub_group_%s mismatch for local id "
"%d in sub group %d in group %d\n",
operation_names(operation), i, j, k);
return TEST_FAIL;
}
}
}
x += nw;
y += nw;
m += 4 * nw;
}
return TEST_PASS;
}
};
template <typename T>
int run_broadcast_scan_reduction_for_type(RunTestForType rft)
{
int error = rft.run_impl<T, BC<T, SubgroupsBroadcastOp::broadcast>>(
"sub_group_broadcast");
error |=
rft.run_impl<T, RED_NU<T, ArithmeticOp::add_>>("sub_group_reduce_add");
error |=
rft.run_impl<T, RED_NU<T, ArithmeticOp::max_>>("sub_group_reduce_max");
error |=
rft.run_impl<T, RED_NU<T, ArithmeticOp::min_>>("sub_group_reduce_min");
error |= rft.run_impl<T, SCIN_NU<T, ArithmeticOp::add_>>(
"sub_group_scan_inclusive_add");
error |= rft.run_impl<T, SCIN_NU<T, ArithmeticOp::max_>>(
"sub_group_scan_inclusive_max");
error |= rft.run_impl<T, SCIN_NU<T, ArithmeticOp::min_>>(
"sub_group_scan_inclusive_min");
error |= rft.run_impl<T, SCEX_NU<T, ArithmeticOp::add_>>(
"sub_group_scan_exclusive_add");
error |= rft.run_impl<T, SCEX_NU<T, ArithmeticOp::max_>>(
"sub_group_scan_exclusive_max");
error |= rft.run_impl<T, SCEX_NU<T, ArithmeticOp::min_>>(
"sub_group_scan_exclusive_min");
return error;
}
}
// Entry point from main
int test_subgroup_functions(cl_device_id device, cl_context context,
cl_command_queue queue, int num_elements,
bool useCoreSubgroups)
{
constexpr size_t global_work_size = 2000;
constexpr size_t local_work_size = 200;
WorkGroupParams test_params(global_work_size, local_work_size);
test_params.save_kernel_source(sub_group_reduction_scan_source);
test_params.save_kernel_source(sub_group_generic_source,
"sub_group_broadcast");
RunTestForType rft(device, context, queue, num_elements, test_params);
int error =
rft.run_impl<cl_int, AA<NonUniformVoteOp::any>>("sub_group_any");
error |= rft.run_impl<cl_int, AA<NonUniformVoteOp::all>>("sub_group_all");
error |= run_broadcast_scan_reduction_for_type<cl_int>(rft);
error |= run_broadcast_scan_reduction_for_type<cl_uint>(rft);
error |= run_broadcast_scan_reduction_for_type<cl_long>(rft);
error |= run_broadcast_scan_reduction_for_type<cl_ulong>(rft);
error |= run_broadcast_scan_reduction_for_type<cl_float>(rft);
error |= run_broadcast_scan_reduction_for_type<cl_double>(rft);
error |= run_broadcast_scan_reduction_for_type<subgroups::cl_half>(rft);
return error;
}
int test_subgroup_functions_core(cl_device_id device, cl_context context,
cl_command_queue queue, int num_elements)
{
return test_subgroup_functions(device, context, queue, num_elements, true);
}
int test_subgroup_functions_ext(cl_device_id device, cl_context context,
cl_command_queue queue, int num_elements)
{
bool hasExtension = is_extension_available(device, "cl_khr_subgroups");
if (!hasExtension)
{
log_info(
"Device does not support 'cl_khr_subgroups'. Skipping the test.\n");
return TEST_SKIPPED_ITSELF;
}
return test_subgroup_functions(device, context, queue, num_elements, false);
}
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