269 lines
8.3 KiB
C++
269 lines
8.3 KiB
C++
//
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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 "harness/rounding_mode.h"
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#include "procs.h"
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static const char *fpadd_kernel_code =
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"__kernel void test_fpadd(__global float *srcA, __global float *srcB, __global float *dst)\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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" dst[tid] = srcA[tid] + srcB[tid];\n"
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"}\n";
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static const char *fpsub_kernel_code =
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"__kernel void test_fpsub(__global float *srcA, __global float *srcB, __global float *dst)\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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" dst[tid] = srcA[tid] - srcB[tid];\n"
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"}\n";
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static const char *fpmul_kernel_code =
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"__kernel void test_fpmul(__global float *srcA, __global float *srcB, __global float *dst)\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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" dst[tid] = srcA[tid] * srcB[tid];\n"
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"}\n";
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static const float MAX_ERR = 1e-5f;
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static int
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verify_fpadd(float *inptrA, float *inptrB, float *outptr, int n)
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{
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float r;
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int i;
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for (i=0; i<n; i++)
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{
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r = inptrA[i] + inptrB[i];
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if (r != outptr[i])
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{
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log_error("FP_ADD float test failed\n");
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return -1;
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}
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}
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log_info("FP_ADD float test passed\n");
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return 0;
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}
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static int
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verify_fpsub(float *inptrA, float *inptrB, float *outptr, int n)
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{
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float r;
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int i;
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for (i=0; i<n; i++)
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{
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r = inptrA[i] - inptrB[i];
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if (r != outptr[i])
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{
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log_error("FP_SUB float test failed\n");
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return -1;
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}
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}
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log_info("FP_SUB float test passed\n");
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return 0;
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}
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static int
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verify_fpmul(float *inptrA, float *inptrB, float *outptr, int n)
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{
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float r;
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int i;
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for (i=0; i<n; i++)
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{
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r = inptrA[i] * inptrB[i];
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if (r != outptr[i])
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{
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log_error("FP_MUL float test failed\n");
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return -1;
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}
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}
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log_info("FP_MUL float test passed\n");
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return 0;
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}
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int
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test_fpmath_float(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[4];
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cl_program program[3];
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cl_kernel kernel[3];
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float *input_ptr[3], *output_ptr, *p;
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size_t threads[1];
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int err, i;
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MTdata d = init_genrand( gRandomSeed );
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size_t length = sizeof(cl_float) * num_elements;
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int isRTZ = 0;
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RoundingMode oldMode = kDefaultRoundingMode;
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// check for floating point capabilities
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cl_device_fp_config single_config = 0;
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err = clGetDeviceInfo( device, CL_DEVICE_SINGLE_FP_CONFIG, sizeof( single_config ), &single_config, NULL );
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if (err) {
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log_error("clGetDeviceInfo for CL_DEVICE_SINGLE_FP_CONFIG failed: %d", err);
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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 == ( single_config & (CL_FP_ROUND_TO_ZERO|CL_FP_ROUND_TO_NEAREST) ) )
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{
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//Check to make sure we are an embedded device
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char profile[32];
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err = clGetDeviceInfo( device, CL_DEVICE_PROFILE, sizeof(profile), profile, NULL);
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if( err )
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{
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log_error("clGetDeviceInfo for CL_DEVICE_PROFILE failed: %d", err);
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return -1;
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}
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if( 0 != strcmp( profile, "EMBEDDED_PROFILE"))
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{
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log_error( "FAILURE: Device doesn't support CL_FP_ROUND_TO_NEAREST and isn't EMBEDDED_PROFILE\n" );
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return -1;
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}
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isRTZ = 1;
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oldMode = get_round();
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}
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input_ptr[0] = (cl_float*)malloc(length);
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input_ptr[1] = (cl_float*)malloc(length);
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input_ptr[2] = (cl_float*)malloc(length);
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output_ptr = (cl_float*)malloc(length);
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streams[0] = clCreateBuffer(context, CL_MEM_READ_WRITE, length, NULL, &err);
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test_error( err, "clCreateBuffer failed.");
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streams[1] = clCreateBuffer(context, CL_MEM_READ_WRITE, length, NULL, &err);
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test_error( err, "clCreateBuffer failed.");
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streams[2] = clCreateBuffer(context, CL_MEM_READ_WRITE, length, NULL, &err);
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test_error( err, "clCreateBuffer failed.");
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streams[3] = clCreateBuffer(context, CL_MEM_READ_WRITE, length, NULL, &err);
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test_error( err, "clCreateBuffer failed.");
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p = input_ptr[0];
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for (i=0; i<num_elements; i++)
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p[i] = get_random_float(-MAKE_HEX_FLOAT(0x1.0p31f, 0x1, 31), MAKE_HEX_FLOAT(0x1.0p31f, 0x1, 31), d);
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p = input_ptr[1];
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for (i=0; i<num_elements; i++)
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p[i] = get_random_float(-MAKE_HEX_FLOAT(0x1.0p31f, 0x1, 31), MAKE_HEX_FLOAT(0x1.0p31f, 0x1, 31), d);
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p = input_ptr[2];
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for (i=0; i<num_elements; i++)
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p[i] = get_random_float(-MAKE_HEX_FLOAT(0x1.0p31f, 0x1, 31), MAKE_HEX_FLOAT(0x1.0p31f, 0x1, 31), d);
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err = clEnqueueWriteBuffer(queue, streams[0], CL_TRUE, 0, length, input_ptr[0], 0, NULL, NULL);
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test_error( err, "clEnqueueWriteBuffer failed.");
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err = clEnqueueWriteBuffer(queue, streams[1], CL_TRUE, 0, length, input_ptr[1], 0, NULL, NULL);
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test_error( err, "clEnqueueWriteBuffer failed.");
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err = clEnqueueWriteBuffer(queue, streams[2], CL_TRUE, 0, length, input_ptr[2], 0, NULL, NULL);
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test_error( err, "clEnqueueWriteBuffer failed.");
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err = create_single_kernel_helper(context, &program[0], &kernel[0], 1, &fpadd_kernel_code, "test_fpadd");
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test_error( err, "create_single_kernel_helper failed");
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err = create_single_kernel_helper(context, &program[1], &kernel[1], 1, &fpsub_kernel_code, "test_fpsub");
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test_error( err, "create_single_kernel_helper failed");
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err = create_single_kernel_helper(context, &program[2], &kernel[2], 1, &fpmul_kernel_code, "test_fpmul");
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test_error( err, "create_single_kernel_helper failed");
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err = clSetKernelArg(kernel[0], 0, sizeof streams[0], &streams[0]);
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err |= clSetKernelArg(kernel[0], 1, sizeof streams[1], &streams[1]);
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err |= clSetKernelArg(kernel[0], 2, sizeof streams[3], &streams[3]);
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test_error( err, "clSetKernelArgs failed.");
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err = clSetKernelArg(kernel[1], 0, sizeof streams[0], &streams[0]);
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err |= clSetKernelArg(kernel[1], 1, sizeof streams[1], &streams[1]);
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err |= clSetKernelArg(kernel[1], 2, sizeof streams[3], &streams[3]);
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test_error( err, "clSetKernelArgs failed.");
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err = clSetKernelArg(kernel[2], 0, sizeof streams[0], &streams[0]);
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err |= clSetKernelArg(kernel[2], 1, sizeof streams[1], &streams[1]);
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err |= clSetKernelArg(kernel[2], 2, sizeof streams[3], &streams[3]);
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test_error( err, "clSetKernelArgs failed.");
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threads[0] = (unsigned int)num_elements;
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for (i=0; i<3; i++)
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{
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err = clEnqueueNDRangeKernel(queue, kernel[i], 1, NULL, threads, NULL, 0, NULL, NULL);
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test_error( err, "clEnqueueNDRangeKernel failed.");
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err = clEnqueueReadBuffer(queue, streams[3], CL_TRUE, 0, length, output_ptr, 0, NULL, NULL);
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test_error( err, "clEnqueueReadBuffer failed.");
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if( isRTZ )
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set_round( kRoundTowardZero, kfloat );
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switch (i)
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{
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case 0:
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err = verify_fpadd(input_ptr[0], input_ptr[1], output_ptr, num_elements);
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break;
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case 1:
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err = verify_fpsub(input_ptr[0], input_ptr[1], output_ptr, num_elements);
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break;
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case 2:
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err = verify_fpmul(input_ptr[0], input_ptr[1], output_ptr, num_elements);
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break;
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}
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if( isRTZ )
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set_round( oldMode, kfloat );
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if (err)
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break;
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}
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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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clReleaseMemObject(streams[3]);
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for (i=0; i<3; i++)
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{
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clReleaseKernel(kernel[i]);
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clReleaseProgram(program[i]);
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}
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free(input_ptr[0]);
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free(input_ptr[1]);
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free(input_ptr[2]);
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free(output_ptr);
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free_mtdata( d );
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return err;
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}
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