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//
// Copyright (c) 2022 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 <algorithm>
#include <numeric>
#include <string>
#include <vector>
#include "procs.h"
#include "harness/integer_ops_test_info.h"
#include "harness/testHarness.h"
template <typename T> static T cpu_bit_reverse(T base)
{
T result = 0;
const size_t count = sizeof(T) * 8;
for (size_t i = 0; i < count; i++)
{
if (base & ((T)1 << i))
{
result |= ((T)1 << (count - i - 1));
}
}
return result;
}
template <typename T>
static void calculate_reference(std::vector<T>& ref, const std::vector<T>& base)
{
ref.resize(base.size());
for (size_t i = 0; i < base.size(); i++)
{
ref[i] = cpu_bit_reverse(base[i]);
}
}
static constexpr const char* kernel_source = R"CLC(
__kernel void test_bit_reverse(__global TYPE* dst, __global TYPE* base)
{
int index = get_global_id(0);
dst[index] = bit_reverse(base[index]);
}
)CLC";
static constexpr const char* kernel_source_vec3 = R"CLC(
__kernel void test_bit_reverse(__global BASETYPE* dst, __global BASETYPE* base)
{
int index = get_global_id(0);
TYPE s = vload3(index, base);
TYPE d = bit_reverse(s);
vstore3(d, index, dst);
}
)CLC";
template <typename T, size_t N>
static int test_vectype(cl_device_id device, cl_context context,
cl_command_queue queue)
{
cl_int error = CL_SUCCESS;
clProgramWrapper program;
clKernelWrapper kernel;
std::string buildOptions{ "-DTYPE=" };
buildOptions += TestInfo<T>::deviceTypeName;
if (N > 1)
{
buildOptions += std::to_string(N);
}
buildOptions += " -DBASETYPE=";
buildOptions += TestInfo<T>::deviceTypeName;
const size_t ELEMENTS_TO_TEST = 65536;
std::vector<T> base(ELEMENTS_TO_TEST * N);
fill_vector_with_random_data(base);
std::vector<T> reference;
calculate_reference(reference, base);
const char* source = (N == 3) ? kernel_source_vec3 : kernel_source;
error =
create_single_kernel_helper(context, &program, &kernel, 1, &source,
"test_bit_reverse", buildOptions.c_str());
test_error(error, "Unable to create test_bit_reverse kernel");
clMemWrapper src;
clMemWrapper dst;
dst =
clCreateBuffer(context, 0, reference.size() * sizeof(T), NULL, &error);
test_error(error, "Unable to create output buffer");
src = clCreateBuffer(context, CL_MEM_COPY_HOST_PTR, base.size() * sizeof(T),
base.data(), &error);
test_error(error, "Unable to create base buffer");
error = clSetKernelArg(kernel, 0, sizeof(dst), &dst);
test_error(error, "Unable to set output buffer kernel arg");
error = clSetKernelArg(kernel, 1, sizeof(src), &src);
test_error(error, "Unable to set base buffer kernel arg");
size_t global_work_size[] = { reference.size() / N };
error = clEnqueueNDRangeKernel(queue, kernel, 1, NULL, global_work_size,
NULL, 0, NULL, NULL);
test_error(error, "Unable to enqueue test kernel");
error = clFinish(queue);
test_error(error, "clFinish failed after test kernel");
std::vector<T> results(reference.size(), 99);
error =
clEnqueueReadBuffer(queue, dst, CL_TRUE, 0, results.size() * sizeof(T),
results.data(), 0, NULL, NULL);
test_error(error, "Unable to read data after test kernel");
if (results != reference)
{
log_error("Result buffer did not match reference buffer!\n");
return TEST_FAIL;
}
return TEST_PASS;
}
template <typename T>
static int test_type(cl_device_id device, cl_context context,
cl_command_queue queue)
{
log_info(" testing type %s\n", TestInfo<T>::deviceTypeName);
return test_vectype<T, 1>(device, context, queue)
| test_vectype<T, 2>(device, context, queue)
| test_vectype<T, 3>(device, context, queue)
| test_vectype<T, 4>(device, context, queue)
| test_vectype<T, 8>(device, context, queue)
| test_vectype<T, 16>(device, context, queue);
}
int test_extended_bit_ops_reverse(cl_device_id device, cl_context context,
cl_command_queue queue, int num_elements)
{
if (is_extension_available(device, "cl_khr_extended_bit_ops"))
{
int result = TEST_PASS;
result |= test_type<cl_char>(device, context, queue);
result |= test_type<cl_uchar>(device, context, queue);
result |= test_type<cl_short>(device, context, queue);
result |= test_type<cl_ushort>(device, context, queue);
result |= test_type<cl_int>(device, context, queue);
result |= test_type<cl_uint>(device, context, queue);
if (gHasLong)
{
result |= test_type<cl_long>(device, context, queue);
result |= test_type<cl_ulong>(device, context, queue);
}
return result;
}
log_info("cl_khr_extended_bit_ops is not supported\n");
return TEST_SKIPPED_ITSELF;
}
|
