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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 <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <vector>
#include "harness/deviceInfo.h"
#include "harness/typeWrappers.h"
#include "procs.h"
#include "test_base.h"
#ifndef M_PI
#define M_PI 3.14159265358979323846264338327950288
#endif
#define CLAMP_KERNEL(type) \
const char *clamp_##type##_kernel_code = EMIT_PRAGMA_DIRECTIVE \
"__kernel void test_clamp(__global " #type " *x, __global " #type \
" *minval, __global " #type " *maxval, __global " #type " *dst)\n" \
"{\n" \
" int tid = get_global_id(0);\n" \
"\n" \
" dst[tid] = clamp(x[tid], minval[tid], maxval[tid]);\n" \
"}\n";
#define CLAMP_KERNEL_V(type, size) \
const char *clamp_##type##size##_kernel_code = EMIT_PRAGMA_DIRECTIVE \
"__kernel void test_clamp(__global " #type #size \
" *x, __global " #type #size " *minval, __global " #type #size \
" *maxval, __global " #type #size " *dst)\n" \
"{\n" \
" int tid = get_global_id(0);\n" \
"\n" \
" dst[tid] = clamp(x[tid], minval[tid], maxval[tid]);\n" \
"}\n";
#define CLAMP_KERNEL_V3(type, size) \
const char *clamp_##type##size##_kernel_code = EMIT_PRAGMA_DIRECTIVE \
"__kernel void test_clamp(__global " #type " *x, __global " #type \
" *minval, __global " #type " *maxval, __global " #type " *dst)\n" \
"{\n" \
" int tid = get_global_id(0);\n" \
"\n" \
" vstore3(clamp(vload3(tid, x), vload3(tid,minval), " \
"vload3(tid,maxval)), tid, dst);\n" \
"}\n";
#define EMIT_PRAGMA_DIRECTIVE " "
CLAMP_KERNEL(float)
CLAMP_KERNEL_V(float, 2)
CLAMP_KERNEL_V(float, 4)
CLAMP_KERNEL_V(float, 8)
CLAMP_KERNEL_V(float, 16)
CLAMP_KERNEL_V3(float, 3)
#undef EMIT_PRAGMA_DIRECTIVE
#define EMIT_PRAGMA_DIRECTIVE "#pragma OPENCL EXTENSION cl_khr_fp64 : enable\n"
CLAMP_KERNEL(double)
CLAMP_KERNEL_V(double, 2)
CLAMP_KERNEL_V(double, 4)
CLAMP_KERNEL_V(double, 8)
CLAMP_KERNEL_V(double, 16)
CLAMP_KERNEL_V3(double, 3)
#undef EMIT_PRAGMA_DIRECTIVE
const char *clamp_float_codes[] = {
clamp_float_kernel_code, clamp_float2_kernel_code,
clamp_float4_kernel_code, clamp_float8_kernel_code,
clamp_float16_kernel_code, clamp_float3_kernel_code
};
const char *clamp_double_codes[] = {
clamp_double_kernel_code, clamp_double2_kernel_code,
clamp_double4_kernel_code, clamp_double8_kernel_code,
clamp_double16_kernel_code, clamp_double3_kernel_code
};
namespace {
template <typename T>
int verify_clamp(const T *const x, const T *const minval, const T *const maxval,
const T *const outptr, int n)
{
T t;
for (int i = 0; i < n; i++)
{
t = std::min(std::max(x[i], minval[i]), maxval[i]);
if (t != outptr[i])
{
log_error(
"%d) verification error: clamp( %a, %a, %a) = *%a vs. %a\n", i,
x[i], minval[i], maxval[i], t, outptr[i]);
return -1;
}
}
return 0;
}
}
template <typename T>
int test_clamp_fn(cl_device_id device, cl_context context,
cl_command_queue queue, int n_elems)
{
clMemWrapper streams[4];
std::vector<T> input_ptr[3], output_ptr;
std::vector<clProgramWrapper> programs;
std::vector<clKernelWrapper> kernels;
int err, i, j;
MTdataHolder d = MTdataHolder(gRandomSeed);
assert(BaseFunctionTest::type2name.find(sizeof(T))
!= BaseFunctionTest::type2name.end());
auto tname = BaseFunctionTest::type2name[sizeof(T)];
programs.resize(kTotalVecCount);
kernels.resize(kTotalVecCount);
int num_elements = n_elems * (1 << (kVectorSizeCount - 1));
for (i = 0; i < 3; i++) input_ptr[i].resize(num_elements);
output_ptr.resize(num_elements);
for (i = 0; i < 4; i++)
{
streams[i] = clCreateBuffer(context, CL_MEM_READ_WRITE,
sizeof(T) * num_elements, NULL, &err);
test_error(err, "clCreateBuffer failed");
}
if (std::is_same<T, float>::value)
{
for (j = 0; j < num_elements; j++)
{
input_ptr[0][j] = get_random_float(-0x200000, 0x200000, d);
input_ptr[1][j] = get_random_float(-0x200000, 0x200000, d);
input_ptr[2][j] = get_random_float(input_ptr[1][j], 0x200000, d);
}
}
else if (std::is_same<T, double>::value)
{
for (j = 0; j < num_elements; j++)
{
input_ptr[0][j] = get_random_double(-0x20000000, 0x20000000, d);
input_ptr[1][j] = get_random_double(-0x20000000, 0x20000000, d);
input_ptr[2][j] = get_random_double(input_ptr[1][j], 0x20000000, d);
}
}
for (i = 0; i < 3; i++)
{
err = clEnqueueWriteBuffer(queue, streams[i], CL_TRUE, 0,
sizeof(T) * num_elements,
&input_ptr[i].front(), 0, NULL, NULL);
test_error(err, "Unable to write input buffer");
}
for (i = 0; i < kTotalVecCount; i++)
{
if (std::is_same<T, float>::value)
{
err = create_single_kernel_helper(
context, &programs[i], &kernels[i], 1, &clamp_float_codes[i],
"test_clamp");
test_error(err, "Unable to create kernel");
}
else if (std::is_same<T, double>::value)
{
err = create_single_kernel_helper(
context, &programs[i], &kernels[i], 1, &clamp_double_codes[i],
"test_clamp");
test_error(err, "Unable to create kernel");
}
log_info("Just made a program for float, i=%d, size=%d, in slot %d\n",
i, g_arrVecSizes[i], i);
fflush(stdout);
for (j = 0; j < 4; j++)
{
err =
clSetKernelArg(kernels[i], j, sizeof(streams[j]), &streams[j]);
test_error(err, "Unable to set kernel argument");
}
size_t threads = (size_t)n_elems;
err = clEnqueueNDRangeKernel(queue, kernels[i], 1, NULL, &threads, NULL,
0, NULL, NULL);
test_error(err, "Unable to execute kernel");
err = clEnqueueReadBuffer(queue, streams[3], true, 0,
sizeof(T) * num_elements, &output_ptr[0], 0,
NULL, NULL);
test_error(err, "Unable to read results");
if (verify_clamp<T>((T *)&input_ptr[0].front(),
(T *)&input_ptr[1].front(),
(T *)&input_ptr[2].front(), (T *)&output_ptr[0],
n_elems * ((g_arrVecSizes[i]))))
{
log_error("CLAMP %s%d test failed\n", tname.c_str(),
((g_arrVecSizes[i])));
err = -1;
}
else
{
log_info("CLAMP %s%d test passed\n", tname.c_str(),
((g_arrVecSizes[i])));
err = 0;
}
if (err) break;
}
return err;
}
cl_int ClampTest::Run()
{
cl_int error = CL_SUCCESS;
error = test_clamp_fn<float>(device, context, queue, num_elems);
test_error(error, "ClampTest::Run<float> failed");
if (is_extension_available(device, "cl_khr_fp64"))
{
error = test_clamp_fn<double>(device, context, queue, num_elems);
test_error(error, "ClampTest::Run<double> failed");
}
return error;
}
int test_clamp(cl_device_id device, cl_context context, cl_command_queue queue,
int n_elems)
{
return MakeAndRunTest<ClampTest>(device, context, queue, n_elems);
}
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