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280 lines
8.4 KiB
280 lines
8.4 KiB
//
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// Copyright (c) 2017 The Khronos Group Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include "harness/compat.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "procs.h"
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const char *constant_kernel_code =
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"__kernel void constant_kernel(__global float *out, __constant float *tmpF, __constant int *tmpI)\n"
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"{\n"
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" int tid = get_global_id(0);\n"
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"\n"
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" float ftmp = tmpF[tid]; \n"
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" float Itmp = tmpI[tid]; \n"
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" out[tid] = ftmp * Itmp; \n"
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"}\n";
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const char *loop_constant_kernel_code =
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"kernel void loop_constant_kernel(global float *out, constant float *i_pos, int num)\n"
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"{\n"
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" int tid = get_global_id(0);\n"
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" float sum = 0;\n"
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" for (int i = 0; i < num; i++) {\n"
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" float pos = i_pos[i*3];\n"
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" sum += pos;\n"
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" }\n"
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" out[tid] = sum;\n"
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"}\n";
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static int
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verify(cl_float *tmpF, cl_int *tmpI, cl_float *out, int n)
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{
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int i;
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for (i=0; i < n; i++)
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{
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float f = tmpF[i] * tmpI[i];
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if( out[i] != f )
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{
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log_error("CONSTANT test failed\n");
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return -1;
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}
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}
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log_info("CONSTANT test passed\n");
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return 0;
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}
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static int
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verify_loop_constant(const cl_float *tmp, cl_float *out, cl_int l, int n)
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{
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int i;
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cl_int j;
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for (i=0; i < n; i++)
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{
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float sum = 0;
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for (j=0; j < l; ++j)
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sum += tmp[j*3];
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if( out[i] != sum )
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{
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log_error("loop CONSTANT test failed\n");
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return -1;
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}
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}
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log_info("loop CONSTANT test passed\n");
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return 0;
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}
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int
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test_constant(cl_device_id device, cl_context context, cl_command_queue queue, int num_elements)
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{
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cl_mem streams[3];
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cl_int *tmpI;
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cl_float *tmpF, *out;
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cl_program program;
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cl_kernel kernel;
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size_t global_threads[3];
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int err;
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unsigned int i;
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cl_ulong maxSize, maxGlobalSize, maxAllocSize;
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size_t num_floats, num_ints, constant_values;
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MTdata d;
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RoundingMode oldRoundMode;
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int isRTZ = 0;
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/* Verify our test buffer won't be bigger than allowed */
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err = clGetDeviceInfo( device, CL_DEVICE_MAX_CONSTANT_BUFFER_SIZE, sizeof( maxSize ), &maxSize, 0 );
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test_error( err, "Unable to get max constant buffer size" );
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log_info("Device reports CL_DEVICE_MAX_CONSTANT_BUFFER_SIZE %llu bytes.\n", maxSize);
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// Limit test buffer size to 1/4 of CL_DEVICE_GLOBAL_MEM_SIZE
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err = clGetDeviceInfo(device, CL_DEVICE_GLOBAL_MEM_SIZE, sizeof(maxGlobalSize), &maxGlobalSize, 0);
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test_error(err, "Unable to get CL_DEVICE_GLOBAL_MEM_SIZE");
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if (maxSize > maxGlobalSize / 4)
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maxSize = maxGlobalSize / 4;
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err = clGetDeviceInfo(device, CL_DEVICE_MAX_MEM_ALLOC_SIZE , sizeof(maxAllocSize), &maxAllocSize, 0);
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test_error(err, "Unable to get CL_DEVICE_MAX_MEM_ALLOC_SIZE ");
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if (maxSize > maxAllocSize)
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maxSize = maxAllocSize;
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maxSize/=4;
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num_ints = (size_t)maxSize/sizeof(cl_int);
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num_floats = (size_t)maxSize/sizeof(cl_float);
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if (num_ints >= num_floats) {
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constant_values = num_floats;
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} else {
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constant_values = num_ints;
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}
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log_info("Test will attempt to use %lu bytes with one %lu byte constant int buffer and one %lu byte constant float buffer.\n",
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constant_values*sizeof(cl_int) + constant_values*sizeof(cl_float), constant_values*sizeof(cl_int), constant_values*sizeof(cl_float));
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tmpI = (cl_int*)malloc(sizeof(cl_int) * constant_values);
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tmpF = (cl_float*)malloc(sizeof(cl_float) * constant_values);
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out = (cl_float*)malloc(sizeof(cl_float) * constant_values);
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streams[0] = clCreateBuffer(context, CL_MEM_READ_WRITE,
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sizeof(cl_float) * constant_values, NULL, NULL);
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if (!streams[0])
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{
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log_error("clCreateBuffer failed\n");
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return -1;
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}
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streams[1] = clCreateBuffer(context, CL_MEM_READ_WRITE,
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sizeof(cl_float) * constant_values, NULL, NULL);
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if (!streams[1])
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{
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log_error("clCreateBuffer failed\n");
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return -1;
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}
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streams[2] = clCreateBuffer(context, CL_MEM_READ_WRITE,
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sizeof(cl_int) * constant_values, NULL, NULL);
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if (!streams[2])
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{
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log_error("clCreateBuffer failed\n");
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return -1;
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}
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d = init_genrand( gRandomSeed );
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for (i=0; i<constant_values; i++) {
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tmpI[i] = (int)get_random_float(-0x02000000, 0x02000000, d);
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tmpF[i] = get_random_float(-0x02000000, 0x02000000, d);
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}
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free_mtdata(d); d = NULL;
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err = clEnqueueWriteBuffer(queue, streams[1], CL_TRUE, 0, sizeof(cl_float)*constant_values, (void *)tmpF, 0, NULL, NULL);
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if (err != CL_SUCCESS)
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{
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log_error("clWriteArray failed\n");
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return -1;
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}
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err = clEnqueueWriteBuffer(queue, streams[2], CL_TRUE, 0, sizeof(cl_int)*constant_values, (void *)tmpI, 0, NULL, NULL);
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if (err != CL_SUCCESS)
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{
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log_error("clWriteArray failed\n");
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return -1;
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}
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err = create_single_kernel_helper(context, &program, &kernel, 1, &constant_kernel_code, "constant_kernel" );
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if (err) {
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log_error("Failed to create kernel and program: %d\n", err);
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return -1;
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}
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err = clSetKernelArg(kernel, 0, sizeof streams[0], &streams[0]);
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err |= clSetKernelArg(kernel, 1, sizeof streams[1], &streams[1]);
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err |= clSetKernelArg(kernel, 2, sizeof streams[2], &streams[2]);
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if (err != CL_SUCCESS)
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{
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log_error("clSetKernelArgs failed\n");
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return -1;
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}
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global_threads[0] = constant_values;
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err = clEnqueueNDRangeKernel( queue, kernel, 1, NULL, global_threads, NULL, 0, NULL, NULL );
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if (err != CL_SUCCESS)
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{
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log_error("clEnqueueNDRangeKernel failed: %d\n", err);
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return -1;
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}
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err = clEnqueueReadBuffer( queue, streams[0], CL_TRUE, 0, sizeof(cl_float)*constant_values, (void *)out, 0, NULL, NULL );
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if (err != CL_SUCCESS)
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{
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log_error("clEnqueueReadBuffer failed\n");
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return -1;
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}
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//If we only support rtz mode
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if( CL_FP_ROUND_TO_ZERO == get_default_rounding_mode(device) && gIsEmbedded)
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{
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oldRoundMode = set_round(kRoundTowardZero, kfloat);
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isRTZ = 1;
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}
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err = verify(tmpF, tmpI, out, (int)constant_values);
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if (isRTZ)
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(void)set_round(oldRoundMode, kfloat);
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// Loop constant buffer test
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cl_program loop_program;
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cl_kernel loop_kernel;
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cl_int limit = 2;
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memset(out, 0, sizeof(cl_float) * constant_values);
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err = create_single_kernel_helper(context, &loop_program, &loop_kernel, 1,
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&loop_constant_kernel_code, "loop_constant_kernel" );
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if (err) {
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log_error("Failed to create loop kernel and program: %d\n", err);
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return -1;
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}
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err = clSetKernelArg(loop_kernel, 0, sizeof streams[0], &streams[0]);
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err |= clSetKernelArg(loop_kernel, 1, sizeof streams[1], &streams[1]);
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err |= clSetKernelArg(loop_kernel, 2, sizeof(limit), &limit);
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if (err != CL_SUCCESS) {
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log_error("clSetKernelArgs for loop kernel failed\n");
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return -1;
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}
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err = clEnqueueNDRangeKernel( queue, loop_kernel, 1, NULL, global_threads, NULL, 0, NULL, NULL );
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if (err != CL_SUCCESS) {
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log_error("clEnqueueNDRangeKernel failed: %d\n", err);
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return -1;
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}
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err = clEnqueueReadBuffer( queue, streams[0], CL_TRUE, 0, sizeof(cl_float)*constant_values, (void *)out, 0, NULL, NULL );
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if (err != CL_SUCCESS) {
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log_error("clEnqueueReadBuffer failed\n");
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return -1;
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}
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err = verify_loop_constant(tmpF, out, limit, (int)constant_values);
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// cleanup
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clReleaseMemObject(streams[0]);
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clReleaseMemObject(streams[1]);
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clReleaseMemObject(streams[2]);
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clReleaseKernel(kernel);
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clReleaseProgram(program);
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clReleaseKernel(loop_kernel);
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clReleaseProgram(loop_program);
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free(tmpI);
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free(tmpF);
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free(out);
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return err;
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}
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