Files
OpenCL-CTS/test_conformance/subgroups/subhelpers.h
2017-05-16 18:44:33 +05:30

287 lines
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C++

//
// 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.
//
#ifndef SUBHELPERS_H
#define SUBHELPERS_H
#include "testHarness.h"
#include "kernelHelpers.h"
#include "typeWrappers.h"
#include <limits>
#include <vector>
// Some template helpers
template <typename Ty> struct TypeName;
template <> struct TypeName<cl_half> { static const char * val() { return "half"; } };
template <> struct TypeName<cl_uint> { static const char * val() { return "uint"; } };
template <> struct TypeName<cl_int> { static const char * val() { return "int"; } };
template <> struct TypeName<cl_ulong> { static const char * val() { return "ulong"; } };
template <> struct TypeName<cl_long> { static const char * val() { return "long"; } };
template <> struct TypeName<float> { static const char * val() { return "float"; } };
template <> struct TypeName<double> { static const char * val() { return "double"; } };
template <typename Ty> struct TypeDef;
template <> struct TypeDef<cl_half> { static const char * val() { return "typedef half Type;\n"; } };
template <> struct TypeDef<cl_uint> { static const char * val() { return "typedef uint Type;\n"; } };
template <> struct TypeDef<cl_int> { static const char * val() { return "typedef int Type;\n"; } };
template <> struct TypeDef<cl_ulong> { static const char * val() { return "typedef ulong Type;\n"; } };
template <> struct TypeDef<cl_long> { static const char * val() { return "typedef long Type;\n"; } };
template <> struct TypeDef<float> { static const char * val() { return "typedef float Type;\n"; } };
template <> struct TypeDef<double> { static const char * val() { return "typedef double Type;\n"; } };
template <typename Ty, int Which> struct TypeIdentity;
// template <> struct TypeIdentity<cl_half,0> { static cl_half val() { return (cl_half)0.0; } };
// template <> struct TypeIdentity<cl_half,0> { static cl_half val() { return -(cl_half)65536.0; } };
// template <> struct TypeIdentity<cl_half,0> { static cl_half val() { return (cl_half)65536.0; } };
template <> struct TypeIdentity<cl_uint,0> { static cl_uint val() { return (cl_uint)0; } };
template <> struct TypeIdentity<cl_uint,1> { static cl_uint val() { return (cl_uint)0; } };
template <> struct TypeIdentity<cl_uint,2> { static cl_uint val() { return (cl_uint)0xffffffff; } };
template <> struct TypeIdentity<cl_int,0> { static cl_int val() { return (cl_int)0 ; } };
template <> struct TypeIdentity<cl_int,1> { static cl_int val() { return (cl_int)0x80000000; } };
template <> struct TypeIdentity<cl_int,2> { static cl_int val() { return (cl_int)0x7fffffff; } };
template <> struct TypeIdentity<cl_ulong,0> { static cl_ulong val() { return (cl_ulong)0 ; } };
template <> struct TypeIdentity<cl_ulong,1> { static cl_ulong val() { return (cl_ulong)0 ; } };
template <> struct TypeIdentity<cl_ulong,2> { static cl_ulong val() { return (cl_ulong)0xffffffffffffffffULL ; } };
template <> struct TypeIdentity<cl_long,0> { static cl_long val() { return (cl_long)0; } };
template <> struct TypeIdentity<cl_long,1> { static cl_long val() { return (cl_long)0x8000000000000000ULL; } };
template <> struct TypeIdentity<cl_long,2> { static cl_long val() { return (cl_long)0x7fffffffffffffffULL; } };
template <> struct TypeIdentity<float,0> { static float val() { return 0.F; } };
template <> struct TypeIdentity<float,1> { static float val() { return -std::numeric_limits<float>::infinity(); } };
template <> struct TypeIdentity<float,2> { static float val() { return std::numeric_limits<float>::infinity(); } };
template <> struct TypeIdentity<double,0> { static double val() { return 0.L; } };
template <> struct TypeIdentity<double,1> { static double val() { return -std::numeric_limits<double>::infinity(); } };
template <> struct TypeIdentity<double,2> { static double val() { return std::numeric_limits<double>::infinity(); } };
template <typename Ty> struct TypeCheck;
template <> struct TypeCheck<cl_uint> { static bool val(cl_device_id) { return true; } };
template <> struct TypeCheck<cl_int> { static bool val(cl_device_id) { return true; } };
static bool
int64_ok(cl_device_id device)
{
char profile[128];
int error;
error = clGetDeviceInfo(device, CL_DEVICE_PROFILE, sizeof(profile), (void *)&profile, NULL);
if (error) {
log_info("clGetDeviceInfo failed with CL_DEVICE_PROFILE\n");
return false;
}
if (strcmp(profile, "EMBEDDED_PROFILE") == 0)
return is_extension_available(device, "cles_khr_int64");
return true;
}
template <> struct TypeCheck<cl_ulong> { static bool val(cl_device_id device) { return int64_ok(device); } };
template <> struct TypeCheck<cl_long> { static bool val(cl_device_id device) { return int64_ok(device); } };
template <> struct TypeCheck<cl_float> { static bool val(cl_device_id) { return true; } };
template <> struct TypeCheck<cl_half> {
static bool val(cl_device_id device) { return is_extension_available(device, "cl_khr_fp16"); }
};
template <> struct TypeCheck<double> {
static bool val(cl_device_id device) {
int error;
cl_device_fp_config c;
error = clGetDeviceInfo(device, CL_DEVICE_DOUBLE_FP_CONFIG, sizeof(c), (void *)&c, NULL);
if (error) {
log_info("clGetDeviceInfo failed with CL_DEVICE_DOUBLE_FP_CONFIG\n");
return false;
}
return c != 0;
}
};
// Run a test kernel to compute the result of a built-in on an input
static int
run_kernel(cl_context context, cl_command_queue queue, cl_kernel kernel, size_t global, size_t local,
void *idata, size_t isize, void *mdata, size_t msize,
void *odata, size_t osize, size_t tsize=0)
{
clMemWrapper in;
clMemWrapper xy;
clMemWrapper out;
clMemWrapper tmp;
int error;
in = clCreateBuffer(context, CL_MEM_READ_ONLY, isize, NULL, &error);
test_error(error, "clCreateBuffer failed");
xy = clCreateBuffer(context, CL_MEM_WRITE_ONLY, msize, NULL, &error);
test_error(error, "clCreateBuffer failed");
out = clCreateBuffer(context, CL_MEM_WRITE_ONLY, osize, NULL, &error);
test_error(error, "clCreateBuffer failed");
if (tsize) {
tmp = clCreateBuffer(context, CL_MEM_READ_WRITE | CL_MEM_HOST_NO_ACCESS, tsize, NULL, &error);
test_error(error, "clCreateBuffer failed");
}
error = clSetKernelArg(kernel, 0, sizeof(in), (void *)&in);
test_error(error, "clSetKernelArg failed");
error = clSetKernelArg(kernel, 1, sizeof(xy), (void *)&xy);
test_error(error, "clSetKernelArg failed");
error = clSetKernelArg(kernel, 2, sizeof(out), (void *)&out);
test_error(error, "clSetKernelArg failed");
if (tsize) {
error = clSetKernelArg(kernel, 3, sizeof(tmp), (void *)&tmp);
test_error(error, "clSetKernelArg failed");
}
error = clEnqueueWriteBuffer(queue, in, CL_FALSE, 0, isize, idata, 0, NULL, NULL);
test_error(error, "clEnqueueWriteBuffer failed");
error = clEnqueueNDRangeKernel(queue, kernel, 1, NULL, &global, &local, 0, NULL, NULL);
test_error(error, "clEnqueueNDRangeKernel failed");
error = clEnqueueReadBuffer(queue, xy, CL_FALSE, 0, msize, mdata, 0, NULL, NULL);
test_error(error, "clEnqueueReadBuffer failed");
error = clEnqueueReadBuffer(queue, out, CL_FALSE, 0, osize, odata, 0, NULL, NULL);
test_error(error, "clEnqueueReadBuffer failed");
error = clFinish(queue);
test_error(error, "clFinish failed");
return error;
}
// Driver for testing a single built in function
template <typename Ty, typename Fns, size_t GSIZE, size_t LSIZE, size_t TSIZE=0>
struct test {
static int
run(cl_device_id device, cl_context context, cl_command_queue queue, int num_elements, const char *kname, const char *src, int dynscl=0)
{
size_t tmp;
int error;
int subgroup_size, num_subgroups;
size_t realSize;
size_t global;
size_t local;
const char *kstrings[3];
clProgramWrapper program;
clKernelWrapper kernel;
cl_platform_id platform;
cl_int sgmap[2*GSIZE];
Ty mapin[LSIZE];
Ty mapout[LSIZE];
// Make sure a test of type Ty is supported by the device
if (!TypeCheck<Ty>::val(device))
return 0;
error = clGetDeviceInfo(device, CL_DEVICE_PLATFORM, sizeof(platform), (void *)&platform, NULL);
test_error(error, "clGetDeviceInfo failed for CL_DEVICE_PLATFORM");
kstrings[0] = "#pragma OPENCL EXTENSION cl_khr_subgroups : enable\n"
"#define XY(M,I) M[I].x = get_sub_group_local_id(); M[I].y = get_sub_group_id();\n";
kstrings[1] = TypeDef<Ty>::val();
kstrings[2] = src;
error = create_single_kernel_helper_with_build_options(context, &program, &kernel, 3, kstrings, kname, "-cl-std=CL2.0");
if (error != 0)
return error;
// Determine some local dimensions to use for the test.
global = GSIZE;
error = get_max_common_work_group_size(context, kernel, GSIZE, &local);
test_error(error, "get_max_common_work_group_size failed");
// Limit it a bit so we have muliple work groups
// Ideally this will still be large enough to give us multiple subgroups
if (local > LSIZE)
local = LSIZE;
// Get the sub group info
clGetKernelSubGroupInfoKHR_fn clGetKernelSubGroupInfoKHR_ptr;
clGetKernelSubGroupInfoKHR_ptr = (clGetKernelSubGroupInfoKHR_fn)clGetExtensionFunctionAddressForPlatform(platform,
"clGetKernelSubGroupInfoKHR");
if (clGetKernelSubGroupInfoKHR_ptr == NULL) {
log_error("ERROR: clGetKernelSubGroupInfoKHR function not available");
return -1;
}
error = clGetKernelSubGroupInfoKHR_ptr(kernel, device, CL_KERNEL_MAX_SUB_GROUP_SIZE_FOR_NDRANGE_KHR,
sizeof(local), (void *)&local, sizeof(tmp), (void *)&tmp, NULL);
test_error(error, "clGetKernelSubGroupInfoKHR failed for CL_KERNEL_MAX_SUB_GROUP_SIZE_FOR_NDRANGE_KHR");
subgroup_size = (int)tmp;
error = clGetKernelSubGroupInfoKHR_ptr(kernel, device, CL_KERNEL_SUB_GROUP_COUNT_FOR_NDRANGE_KHR,
sizeof(local), (void *)&local, sizeof(tmp), (void *)&tmp, NULL);
test_error(error, "clGetKernelSubGroupInfoKHR failed for CL_KERNEL_SUB_GROUP_COUNT_FOR_NDRANGE_KHR");
num_subgroups = (int)tmp;
// Make sure the number of sub groups is what we expect
if (num_subgroups != (local + subgroup_size - 1)/ subgroup_size) {
log_error("ERROR: unexpected number of subgroups (%d) returned by clGetKernelSubGroupInfoKHR\n", num_subgroups);
return -1;
}
std::vector<Ty> idata;
std::vector<Ty> odata;
size_t input_array_size = GSIZE;
size_t output_array_size = GSIZE;
if (dynscl != 0) {
input_array_size = (int)global / (int)local * num_subgroups * dynscl;
output_array_size = (int)global / (int)local * dynscl;
}
idata.resize(input_array_size);
odata.resize(output_array_size);
// Run the kernel once on zeroes to get the map
memset(&idata[0], 0, input_array_size * sizeof(Ty));
error = run_kernel(context, queue, kernel, global, local,
&idata[0], input_array_size * sizeof(Ty),
sgmap, global*sizeof(cl_int)*2,
&odata[0], output_array_size * sizeof(Ty),
TSIZE*sizeof(Ty));
if (error)
return error;
// Generate the desired input for the kernel
Fns::gen(&idata[0], mapin, sgmap, subgroup_size, (int)local, (int)global / (int)local);
error = run_kernel(context, queue, kernel, global, local,
&idata[0], input_array_size * sizeof(Ty),
sgmap, global*sizeof(cl_int)*2,
&odata[0], output_array_size * sizeof(Ty),
TSIZE*sizeof(Ty));
if (error)
return error;
// Check the result
return Fns::chk(&idata[0], &odata[0], mapin, mapout, sgmap, subgroup_size, (int)local, (int)global / (int)local);
}
};
#endif