| // |
| // 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 "procs.h" |
| |
| |
| const char *wg_all_kernel_code = |
| "__kernel void test_wg_all(global float *input, global int *output)\n" |
| "{\n" |
| " int tid = get_global_id(0);\n" |
| "\n" |
| " int result = work_group_all((input[tid] > input[tid+1]));\n" |
| " output[tid] = result;\n" |
| "}\n"; |
| |
| |
| static int |
| verify_wg_all(float *inptr, int *outptr, size_t n, size_t wg_size) |
| { |
| size_t i, j; |
| |
| for (i=0; i<n; i+=wg_size) |
| { |
| int predicate_all = 0xFFFFFFFF; |
| for (j=0; j<((n-i) > wg_size ? wg_size : (n-i)); j++) |
| { |
| if (!(inptr[i+j] > inptr[i+j+1])) |
| { |
| predicate_all = 0; |
| break; |
| } |
| } |
| for (j=0; j<((n-i) > wg_size ? wg_size : (n-i)); j++) |
| { |
| if ( (predicate_all && (outptr[i+j] == 0)) || |
| ((predicate_all == 0) && outptr[i+j]) ) |
| { |
| log_info("work_group_all: Error at %lu: expected = %d, got = %d\n", i+j, predicate_all, outptr[i+j]); |
| return -1; |
| } |
| } |
| } |
| |
| return 0; |
| } |
| |
| int |
| test_work_group_all(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_int *output_ptr; |
| cl_program program; |
| cl_kernel kernel; |
| void *values[2]; |
| size_t threads[1]; |
| size_t wg_size[1]; |
| size_t num_elements; |
| int err; |
| int i; |
| MTdata d; |
| |
| err = create_single_kernel_helper_with_build_options( context, &program, &kernel, 1, &wg_all_kernel_code, "test_wg_all", "-cl-std=CL2.0" ); |
| 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+1)); |
| output_ptr = (cl_int*)malloc(sizeof(cl_int) * (num_elements+1)); |
| streams[0] = clCreateBuffer( context, (cl_mem_flags)(CL_MEM_READ_WRITE), sizeof(cl_float) * (num_elements+1), NULL, NULL ); |
| if (!streams[0]) |
| { |
| log_error("clCreateBuffer failed\n"); |
| return -1; |
| } |
| |
| streams[1] = clCreateBuffer( context, (cl_mem_flags)(CL_MEM_READ_WRITE), sizeof(cl_int) * 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+1); 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+1), (void *)input_ptr[0], 0, NULL, NULL ); |
| if (err != CL_SUCCESS) |
| { |
| log_error("clWriteArray failed\n"); |
| return -1; |
| } |
| |
| values[0] = streams[0]; |
| values[1] = streams[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... |
| threads[0] = (size_t)n_elems; |
| err = clEnqueueNDRangeKernel( queue, kernel, 1, NULL, threads, 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_int)*num_elements, (void *)output_ptr, 0, NULL, NULL ); |
| if (err != CL_SUCCESS) |
| { |
| log_error("clEnqueueReadBuffer failed\n"); |
| return -1; |
| } |
| |
| if (verify_wg_all(input_ptr[0], output_ptr, num_elements, wg_size[0])) |
| { |
| log_error("work_group_all test failed\n"); |
| return -1; |
| } |
| log_info("work_group_all test passed\n"); |
| |
| clReleaseMemObject(streams[0]); |
| clReleaseMemObject(streams[1]); |
| clReleaseKernel(kernel); |
| clReleaseProgram(program); |
| free(input_ptr[0]); |
| free(output_ptr); |
| |
| return err; |
| } |
| |