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OpenCL-CTS/test_conformance/workgroups/test_wg_broadcast.cpp
Sven van Haastregt a70fa56003 Fix some Wunused-but-set warnings (#1666) 
To the best of my understanding, these occurrences of the
`-Wunused-but-set` warnings do not reveal any underlying issues, so we
can safely remove these variables.  There are more occurrences of this
warning in other places (not touched by this commit) that require
further analysis.

Signed-off-by: Sven van Haastregt <sven.vanhaastregt@arm.com>
2023-03-30 09:34:00 +01:00

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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 "harness/compat.h"
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <algorithm>
#include "procs.h"
const char *wg_broadcast_1D_kernel_code =
"__kernel void test_wg_broadcast_1D(global float *input, global float *output)\n"
"{\n"
" int tid = get_global_id(0);\n"
"\n"
" float result = work_group_broadcast(input[tid], get_group_id(0) % get_local_size(0));\n"
" output[tid] = result;\n"
"}\n";
const char *wg_broadcast_2D_kernel_code =
"__kernel void test_wg_broadcast_2D(global float *input, global float *output)\n"
"{\n"
" size_t tid_x = get_global_id(0);\n"
" size_t tid_y = get_global_id(1);\n"
" size_t x = get_group_id(0) % get_local_size(0);\n"
" size_t y = get_group_id(1) % get_local_size(1);\n"
"\n"
" size_t indx = (tid_y * get_global_size(0)) + tid_x;\n"
" float result = work_group_broadcast(input[indx], x, y);\n"
" output[indx] = result;\n"
"}\n";
const char *wg_broadcast_3D_kernel_code =
"__kernel void test_wg_broadcast_3D(global float *input, global float *output)\n"
"{\n"
" size_t tid_x = get_global_id(0);\n"
" size_t tid_y = get_global_id(1);\n"
" size_t tid_z = get_global_id(2);\n"
" size_t x = get_group_id(0) % get_local_size(0);\n"
" size_t y = get_group_id(1) % get_local_size(1);\n"
" size_t z = get_group_id(2) % get_local_size(2);\n"
"\n"
" size_t indx = (tid_z * get_global_size(1) * get_global_size(0)) + (tid_y * get_global_size(0)) + tid_x;\n"
" float result = work_group_broadcast(input[indx], x, y, z);\n"
" output[indx] = result;\n"
"}\n";
static int
verify_wg_broadcast_1D(float *inptr, float *outptr, size_t n, size_t wg_size)
{
size_t i, j;
size_t group_id;
for (i=0,group_id=0; i<n; i+=wg_size,group_id++)
{
int local_size = (n-i) > wg_size ? wg_size : (n-i);
float broadcast_result = inptr[i + (group_id % local_size)];
for (j=0; j<local_size; j++)
{
if ( broadcast_result != outptr[i+j] )
{
log_info("work_group_broadcast: Error at %u: expected = %f, got = %f\n", i+j, broadcast_result, outptr[i+j]);
return -1;
}
}
}
return 0;
}
static int
verify_wg_broadcast_2D(float *inptr, float *outptr, size_t nx, size_t ny, size_t wg_size_x, size_t wg_size_y)
{
size_t i, j, _i, _j;
size_t group_id_x, group_id_y;
for (i=0,group_id_y=0; i<ny; i+=wg_size_y,group_id_y++)
{
size_t y = group_id_y % wg_size_y;
size_t local_size_y = (ny-i) > wg_size_y ? wg_size_y : (ny-i);
for (_i=0; _i < local_size_y; _i++)
{
for (j=0,group_id_x=0; j<nx; j+=wg_size_x,group_id_x++)
{
size_t x = group_id_x % wg_size_x;
size_t local_size_x = (nx-j) > wg_size_x ? wg_size_x : (nx-j);
float broadcast_result = inptr[(i + y) * nx + (j + x)];
for (_j=0; _j < local_size_x; _j++)
{
size_t indx = (i + _i) * nx + (j + _j);
if ( broadcast_result != outptr[indx] )
{
log_info("work_group_broadcast: Error at (%u, %u): expected = %f, got = %f\n", j+_j, i+_i, broadcast_result, outptr[indx]);
return -1;
}
}
}
}
}
return 0;
}
static int
verify_wg_broadcast_3D(float *inptr, float *outptr, size_t nx, size_t ny, size_t nz, size_t wg_size_x, size_t wg_size_y, size_t wg_size_z)
{
size_t i, j, k, _i, _j, _k;
size_t group_id_x, group_id_y, group_id_z;
for (i=0,group_id_z=0; i<nz; i+=wg_size_z,group_id_z++)
{
size_t z = group_id_z % wg_size_z;
size_t local_size_z = (nz-i) > wg_size_z ? wg_size_z : (nz-i);
for (_i=0; _i < local_size_z; _i++)
{
for (j=0,group_id_y=0; j<ny; j+=wg_size_y,group_id_y++)
{
size_t y = group_id_y % wg_size_y;
size_t local_size_y = (ny-j) > wg_size_y ? wg_size_y : (ny-j);
for (_j=0; _j < local_size_y; _j++)
{
for (k=0,group_id_x=0; k<nx; k+=wg_size_x,group_id_x++)
{
size_t x = group_id_x % wg_size_x;
size_t local_size_x = (nx-k) > wg_size_x ? wg_size_x : (nx-k);
float broadcast_result = inptr[(i + z) * ny * nz + (j + y) * nx + (k + x)];
for (_k=0; _k < local_size_x; _k++)
{
size_t indx = (i + _i) * ny * nx + (j + _j) * nx + (k + _k);
if ( broadcast_result != outptr[indx] )
{
log_info("work_group_broadcast: Error at (%u, %u, %u): expected = %f, got = %f\n", k+_k, j+_j, i+_i, broadcast_result, outptr[indx]);
return -1;
}
}
}
}
}
}
}
return 0;
}
int
test_work_group_broadcast_1D(cl_device_id device, cl_context context, cl_command_queue queue, int n_elems)
{
cl_mem streams[2];
cl_float *input_ptr[1], *p;
cl_float *output_ptr;
cl_program program;
cl_kernel kernel;
size_t globalsize[1];
size_t wg_size[1];
size_t num_elements;
int err;
int i;
MTdata d;
err = create_single_kernel_helper(context, &program, &kernel, 1,
&wg_broadcast_1D_kernel_code,
"test_wg_broadcast_1D");
if (err)
return -1;
// "wg_size" is limited to that of the first dimension as only a 1DRange is executed.
err = get_max_allowed_1d_work_group_size_on_device(device, kernel, wg_size);
test_error(err, "get_max_allowed_1d_work_group_size_on_device failed");
num_elements = n_elems;
input_ptr[0] = (cl_float*)malloc(sizeof(cl_float) * num_elements);
output_ptr = (cl_float*)malloc(sizeof(cl_float) * num_elements);
streams[0] = clCreateBuffer(context, CL_MEM_READ_WRITE,
sizeof(cl_float) * num_elements, NULL, NULL);
if (!streams[0])
{
log_error("clCreateBuffer failed\n");
return -1;
}
streams[1] = clCreateBuffer(context, CL_MEM_READ_WRITE,
sizeof(cl_float) * num_elements, NULL, NULL);
if (!streams[1])
{
log_error("clCreateBuffer failed\n");
return -1;
}
p = input_ptr[0];
d = init_genrand( gRandomSeed );
for (i=0; i<num_elements; i++)
{
p[i] = get_random_float((float)(-100000.f * M_PI), (float)(100000.f * M_PI) ,d);
}
free_mtdata(d); d = NULL;
err = clEnqueueWriteBuffer( queue, streams[0], true, 0, sizeof(cl_float)*num_elements, (void *)input_ptr[0], 0, NULL, NULL );
if (err != CL_SUCCESS)
{
log_error("clWriteArray failed\n");
return -1;
}
err = clSetKernelArg(kernel, 0, sizeof streams[0], &streams[0] );
err |= clSetKernelArg(kernel, 1, sizeof streams[1], &streams[1] );
if (err != CL_SUCCESS)
{
log_error("clSetKernelArgs failed\n");
return -1;
}
// Line below is troublesome...
globalsize[0] = (size_t)n_elems;
err = clEnqueueNDRangeKernel( queue, kernel, 1, NULL, globalsize, wg_size, 0, NULL, NULL );
if (err != CL_SUCCESS)
{
log_error("clEnqueueNDRangeKernel failed\n");
return -1;
}
cl_uint dead = 0xdeaddead;
memset_pattern4(output_ptr, &dead, sizeof(cl_float)*num_elements);
err = clEnqueueReadBuffer( queue, streams[1], true, 0, sizeof(cl_float)*num_elements, (void *)output_ptr, 0, NULL, NULL );
if (err != CL_SUCCESS)
{
log_error("clEnqueueReadBuffer failed\n");
return -1;
}
if (verify_wg_broadcast_1D(input_ptr[0], output_ptr, num_elements, wg_size[0]))
{
log_error("work_group_broadcast_1D test failed\n");
return -1;
}
log_info("work_group_broadcast_1D test passed\n");
clReleaseMemObject(streams[0]);
clReleaseMemObject(streams[1]);
clReleaseKernel(kernel);
clReleaseProgram(program);
free(input_ptr[0]);
free(output_ptr);
return err;
}
int
test_work_group_broadcast_2D(cl_device_id device, cl_context context, cl_command_queue queue, int n_elems)
{
cl_mem streams[2];
cl_float *input_ptr[1], *p;
cl_float *output_ptr;
cl_program program;
cl_kernel kernel;
size_t globalsize[2];
size_t localsize[2];
size_t wg_size[1];
size_t num_workgroups;
size_t num_elements;
int err;
int i;
MTdata d;
err = create_single_kernel_helper(context, &program, &kernel, 1,
&wg_broadcast_2D_kernel_code,
"test_wg_broadcast_2D");
if (err)
return -1;
err = clGetKernelWorkGroupInfo( kernel, device, CL_KERNEL_WORK_GROUP_SIZE, sizeof(size_t), wg_size, NULL);
if (err)
return -1;
if (wg_size[0] >= 256)
{
localsize[0] = localsize[1] = 16;
}
else if (wg_size[0] >=64)
{
localsize[0] = localsize[1] = 8;
}
else if (wg_size[0] >= 16)
{
localsize[0] = localsize[1] = 4;
}
else
{
localsize[0] = localsize[1] = 1;
}
num_workgroups = std::max(n_elems / wg_size[0], (size_t)16);
globalsize[0] = num_workgroups * localsize[0];
globalsize[1] = num_workgroups * localsize[1];
num_elements = globalsize[0] * globalsize[1];
input_ptr[0] = (cl_float*)malloc(sizeof(cl_float) * num_elements);
output_ptr = (cl_float*)malloc(sizeof(cl_float) * num_elements);
streams[0] = clCreateBuffer(context, CL_MEM_READ_WRITE,
sizeof(cl_float) * num_elements, NULL, NULL);
if (!streams[0])
{
log_error("clCreateBuffer failed\n");
return -1;
}
streams[1] = clCreateBuffer(context, CL_MEM_READ_WRITE,
sizeof(cl_float) * num_elements, NULL, NULL);
if (!streams[1])
{
log_error("clCreateBuffer failed\n");
return -1;
}
p = input_ptr[0];
d = init_genrand( gRandomSeed );
for (i=0; i<num_elements; i++)
{
p[i] = get_random_float((float)(-100000.f * M_PI), (float)(100000.f * M_PI) ,d);
}
free_mtdata(d); d = NULL;
err = clEnqueueWriteBuffer( queue, streams[0], true, 0, sizeof(cl_float)*num_elements, (void *)input_ptr[0], 0, NULL, NULL );
if (err != CL_SUCCESS)
{
log_error("clWriteArray failed\n");
return -1;
}
err = clSetKernelArg(kernel, 0, sizeof streams[0], &streams[0] );
err |= clSetKernelArg(kernel, 1, sizeof streams[1], &streams[1] );
if (err != CL_SUCCESS)
{
log_error("clSetKernelArgs failed\n");
return -1;
}
err = clEnqueueNDRangeKernel( queue, kernel, 2, NULL, globalsize, localsize, 0, NULL, NULL );
if (err != CL_SUCCESS)
{
log_error("clEnqueueNDRangeKernel failed\n");
return -1;
}
cl_uint dead = 0xdeaddead;
memset_pattern4(output_ptr, &dead, sizeof(cl_float)*num_elements);
err = clEnqueueReadBuffer( queue, streams[1], true, 0, sizeof(cl_float)*num_elements, (void *)output_ptr, 0, NULL, NULL );
if (err != CL_SUCCESS)
{
log_error("clEnqueueReadBuffer failed\n");
return -1;
}
if (verify_wg_broadcast_2D(input_ptr[0], output_ptr, globalsize[0], globalsize[1], localsize[0], localsize[1]))
{
log_error("work_group_broadcast_2D test failed\n");
return -1;
}
log_info("work_group_broadcast_2D test passed\n");
clReleaseMemObject(streams[0]);
clReleaseMemObject(streams[1]);
clReleaseKernel(kernel);
clReleaseProgram(program);
free(input_ptr[0]);
free(output_ptr);
return err;
}
int
test_work_group_broadcast_3D(cl_device_id device, cl_context context, cl_command_queue queue, int n_elems)
{
cl_mem streams[2];
cl_float *input_ptr[1], *p;
cl_float *output_ptr;
cl_program program;
cl_kernel kernel;
size_t globalsize[3];
size_t localsize[3];
size_t wg_size[1];
size_t num_workgroups;
size_t num_elements;
int err;
int i;
MTdata d;
err = create_single_kernel_helper(context, &program, &kernel, 1,
&wg_broadcast_3D_kernel_code,
"test_wg_broadcast_3D");
if (err)
return -1;
err = clGetKernelWorkGroupInfo( kernel, device, CL_KERNEL_WORK_GROUP_SIZE, sizeof(size_t), wg_size, NULL);
if (err)
return -1;
if (wg_size[0] >=512)
{
localsize[0] = localsize[1] = localsize[2] = 8;
}
else if (wg_size[0] >= 64)
{
localsize[0] = localsize[1] = localsize[2] = 4;
}
else if (wg_size[0] >= 8)
{
localsize[0] = localsize[1] = localsize[2] = 2;
}
else
{
localsize[0] = localsize[1] = localsize[2] = 1;
}
num_workgroups = std::max(n_elems / wg_size[0], (size_t)8);
globalsize[0] = num_workgroups * localsize[0];
globalsize[1] = num_workgroups * localsize[1];
globalsize[2] = num_workgroups * localsize[2];
num_elements = globalsize[0] * globalsize[1] * globalsize[2];
input_ptr[0] = (cl_float*)malloc(sizeof(cl_float) * num_elements);
output_ptr = (cl_float*)malloc(sizeof(cl_float) * num_elements);
streams[0] = clCreateBuffer(context, CL_MEM_READ_WRITE,
sizeof(cl_float) * num_elements, NULL, NULL);
if (!streams[0])
{
log_error("clCreateBuffer failed\n");
return -1;
}
streams[1] = clCreateBuffer(context, CL_MEM_READ_WRITE,
sizeof(cl_float) * num_elements, NULL, NULL);
if (!streams[1])
{
log_error("clCreateBuffer failed\n");
return -1;
}
p = input_ptr[0];
d = init_genrand( gRandomSeed );
for (i=0; i<num_elements; i++)
{
p[i] = get_random_float((float)(-100000.f * M_PI), (float)(100000.f * M_PI) ,d);
}
free_mtdata(d); d = NULL;
err = clEnqueueWriteBuffer( queue, streams[0], true, 0, sizeof(cl_float)*num_elements, (void *)input_ptr[0], 0, NULL, NULL );
if (err != CL_SUCCESS)
{
log_error("clWriteArray failed\n");
return -1;
}
err = clSetKernelArg(kernel, 0, sizeof streams[0], &streams[0] );
err |= clSetKernelArg(kernel, 1, sizeof streams[1], &streams[1] );
if (err != CL_SUCCESS)
{
log_error("clSetKernelArgs failed\n");
return -1;
}
err = clEnqueueNDRangeKernel( queue, kernel, 3, NULL, globalsize, localsize, 0, NULL, NULL );
if (err != CL_SUCCESS)
{
log_error("clEnqueueNDRangeKernel failed\n");
return -1;
}
cl_uint dead = 0xdeaddead;
memset_pattern4(output_ptr, &dead, sizeof(cl_float)*num_elements);
err = clEnqueueReadBuffer( queue, streams[1], true, 0, sizeof(cl_float)*num_elements, (void *)output_ptr, 0, NULL, NULL );
if (err != CL_SUCCESS)
{
log_error("clEnqueueReadBuffer failed\n");
return -1;
}
if (verify_wg_broadcast_3D(input_ptr[0], output_ptr, globalsize[0], globalsize[1], globalsize[2], localsize[0], localsize[1], localsize[2]))
{
log_error("work_group_broadcast_3D test failed\n");
return -1;
}
log_info("work_group_broadcast_3D test passed\n");
clReleaseMemObject(streams[0]);
clReleaseMemObject(streams[1]);
clReleaseKernel(kernel);
clReleaseProgram(program);
free(input_ptr[0]);
free(output_ptr);
return err;
}
int
test_work_group_broadcast(cl_device_id device, cl_context context, cl_command_queue queue, int n_elems)
{
int err;
err = test_work_group_broadcast_1D(device, context, queue, n_elems);
if (err) return err;
err = test_work_group_broadcast_2D(device, context, queue, n_elems);
if (err) return err;
return err;
}
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