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316 lines
11 KiB
316 lines
11 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 <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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#ifndef M_PI
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#define M_PI 3.14159265358979323846264338327950288
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#endif
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#define CLAMP_KERNEL( type ) \
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const char *clamp_##type##_kernel_code = \
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EMIT_PRAGMA_DIRECTIVE \
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"__kernel void test_clamp(__global " #type " *x, __global " #type " *minval, __global " #type " *maxval, __global " #type " *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] = clamp(x[tid], minval[tid], maxval[tid]);\n" \
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"}\n";
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#define CLAMP_KERNEL_V( type, size) \
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const char *clamp_##type##size##_kernel_code = \
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EMIT_PRAGMA_DIRECTIVE \
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"__kernel void test_clamp(__global " #type #size " *x, __global " #type #size " *minval, __global " #type #size " *maxval, __global " #type #size " *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] = clamp(x[tid], minval[tid], maxval[tid]);\n" \
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"}\n";
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#define CLAMP_KERNEL_V3( type, size) \
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const char *clamp_##type##size##_kernel_code = \
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EMIT_PRAGMA_DIRECTIVE \
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"__kernel void test_clamp(__global " #type " *x, __global " #type " *minval, __global " #type " *maxval, __global " #type " *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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" vstore3(clamp(vload3(tid, x), vload3(tid,minval), vload3(tid,maxval)), tid, dst);\n" \
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"}\n";
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#define EMIT_PRAGMA_DIRECTIVE " "
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CLAMP_KERNEL( float )
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CLAMP_KERNEL_V( float, 2 )
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CLAMP_KERNEL_V( float, 4 )
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CLAMP_KERNEL_V( float, 8 )
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CLAMP_KERNEL_V( float, 16 )
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CLAMP_KERNEL_V3( float, 3)
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#undef EMIT_PRAGMA_DIRECTIVE
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#define EMIT_PRAGMA_DIRECTIVE "#pragma OPENCL EXTENSION cl_khr_fp64 : enable\n"
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CLAMP_KERNEL( double )
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CLAMP_KERNEL_V( double, 2 )
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CLAMP_KERNEL_V( double, 4 )
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CLAMP_KERNEL_V( double, 8 )
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CLAMP_KERNEL_V( double, 16 )
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CLAMP_KERNEL_V3( double, 3 )
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#undef EMIT_PRAGMA_DIRECTIVE
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const char *clamp_float_codes[] = { clamp_float_kernel_code, clamp_float2_kernel_code, clamp_float4_kernel_code, clamp_float8_kernel_code, clamp_float16_kernel_code, clamp_float3_kernel_code };
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const char *clamp_double_codes[] = { clamp_double_kernel_code, clamp_double2_kernel_code, clamp_double4_kernel_code, clamp_double8_kernel_code, clamp_double16_kernel_code, clamp_double3_kernel_code };
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static int verify_clamp(float *x, float *minval, float *maxval, float *outptr, int n)
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{
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float t;
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int i;
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for (i=0; i<n; i++)
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{
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t = fminf( fmaxf( x[ i ], minval[ i ] ), maxval[ i ] );
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if (t != outptr[i])
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{
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log_error( "%d) verification error: clamp( %a, %a, %a) = *%a vs. %a\n", i, x[i], minval[i], maxval[i], t, outptr[i] );
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return -1;
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}
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}
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return 0;
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}
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static int verify_clamp_double(double *x, double *minval, double *maxval, double *outptr, int n)
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{
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double t;
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int i;
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for (i=0; i<n; i++)
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{
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t = fmin( fmax( x[ i ], minval[ i ] ), maxval[ i ] );
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if (t != outptr[i])
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{
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log_error( "%d) verification error: clamp( %a, %a, %a) = *%a vs. %a\n", i, x[i], minval[i], maxval[i], t, outptr[i] );
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return -1;
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}
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}
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return 0;
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}
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int
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test_clamp(cl_device_id device, cl_context context, cl_command_queue queue, int n_elems)
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{
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cl_mem streams[8];
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cl_float *input_ptr[3], *output_ptr;
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cl_double *input_ptr_double[3], *output_ptr_double = NULL;
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cl_program *program;
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cl_kernel *kernel;
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size_t threads[1];
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int num_elements;
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int err;
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int i, j;
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MTdata d;
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program = (cl_program*)malloc(sizeof(cl_program)*kTotalVecCount*2);
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kernel = (cl_kernel*)malloc(sizeof(cl_kernel)*kTotalVecCount*2);
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num_elements = n_elems * (1 << (kVectorSizeCount-1));
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int test_double = 0;
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if(is_extension_available( device, "cl_khr_fp64" )) {
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log_info("Testing doubles.\n");
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test_double = 1;
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}
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// why does this go from 0 to 2?? -- Oh, I see, there are four function
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// arguments to the function, and 3 of them are inputs?
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for( i = 0; i < 3; i++ )
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{
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input_ptr[i] = (cl_float*)malloc(sizeof(cl_float) * num_elements);
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if (test_double) input_ptr_double[i] = (cl_double*)malloc(sizeof(cl_double) * num_elements);
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}
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output_ptr = (cl_float*)malloc(sizeof(cl_float) * num_elements);
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if (test_double) output_ptr_double = (cl_double*)malloc(sizeof(cl_double) * num_elements);
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// why does this go from 0 to 3?
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for( i = 0; i < 4; i++ )
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{
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streams[i] =
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clCreateBuffer(context, CL_MEM_READ_WRITE,
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sizeof(cl_float) * num_elements, 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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}
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if (test_double)
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for( i = 4; i < 8; i++ )
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{
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streams[i] =
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clCreateBuffer(context, CL_MEM_READ_WRITE,
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sizeof(cl_double) * num_elements, 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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}
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d = init_genrand( gRandomSeed );
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for( j = 0; j < num_elements; j++ )
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{
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input_ptr[0][j] = get_random_float(-0x20000000, 0x20000000, d);
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input_ptr[1][j] = get_random_float(-0x20000000, 0x20000000, d);
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input_ptr[2][j] = get_random_float(input_ptr[1][j], 0x20000000, d);
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if (test_double) {
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input_ptr_double[0][j] = get_random_double(-0x20000000, 0x20000000, d);
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input_ptr_double[1][j] = get_random_double(-0x20000000, 0x20000000, d);
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input_ptr_double[2][j] = get_random_double(input_ptr_double[1][j], 0x20000000, d);
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}
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}
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free_mtdata(d); d = NULL;
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for( i = 0; i < 3; i++ )
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{
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err = clEnqueueWriteBuffer( queue, streams[ i ], CL_TRUE, 0, sizeof( cl_float ) * num_elements, input_ptr[ i ], 0, NULL, NULL );
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test_error( err, "Unable to write input buffer" );
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if (test_double) {
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err = clEnqueueWriteBuffer( queue, streams[ 4 + i ], CL_TRUE, 0, sizeof( cl_double ) * num_elements, input_ptr_double[ i ], 0, NULL, NULL );
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test_error( err, "Unable to write input buffer" );
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}
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}
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for( i = 0; i < kTotalVecCount; i++ )
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{
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err = create_single_kernel_helper( context, &program[ i ], &kernel[ i ], 1, &clamp_float_codes[ i ], "test_clamp" );
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test_error( err, "Unable to create kernel" );
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log_info("Just made a program for float, i=%d, size=%d, in slot %d\n", i, g_arrVecSizes[i], i);
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fflush(stdout);
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if (test_double) {
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err = create_single_kernel_helper( context, &program[ kTotalVecCount + i ], &kernel[ kTotalVecCount + i ], 1, &clamp_double_codes[ i ], "test_clamp" );
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log_info("Just made a program for double, i=%d, size=%d, in slot %d\n", i, g_arrVecSizes[i], kTotalVecCount+i);
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fflush(stdout);
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test_error( err, "Unable to create kernel" );
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}
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}
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for( i = 0; i < kTotalVecCount; i++ )
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{
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for( j = 0; j < 4; j++ )
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{
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err = clSetKernelArg( kernel[ i ], j, sizeof( streams[ j ] ), &streams[ j ] );
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test_error( err, "Unable to set kernel argument" );
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}
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threads[0] = (size_t)n_elems;
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err = clEnqueueNDRangeKernel( queue, kernel[i], 1, NULL, threads, NULL, 0, NULL, NULL );
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test_error( err, "Unable to execute kernel" );
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err = clEnqueueReadBuffer( queue, streams[3], true, 0, sizeof(cl_float)*num_elements, (void *)output_ptr, 0, NULL, NULL );
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test_error( err, "Unable to read results" );
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if (verify_clamp(input_ptr[0], input_ptr[1], input_ptr[2], output_ptr, n_elems*((g_arrVecSizes[i]))))
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{
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log_error("CLAMP float%d test failed\n", ((g_arrVecSizes[i])));
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err = -1;
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}
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else
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{
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log_info("CLAMP float%d test passed\n", ((g_arrVecSizes[i])));
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err = 0;
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}
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if (err)
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break;
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}
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// If the device supports double precision then test that
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if (test_double)
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{
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for( ; i < 2*kTotalVecCount; i++ )
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{
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log_info("Start of test_double loop, i is %d\n", i);
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for( j = 0; j < 4; j++ )
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{
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err = clSetKernelArg( kernel[i], j, sizeof( streams[j+4] ), &streams[j+4] );
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test_error( err, "Unable to set kernel argument" );
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}
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threads[0] = (size_t)n_elems;
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err = clEnqueueNDRangeKernel( queue, kernel[i], 1, NULL, threads, NULL, 0, NULL, NULL );
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test_error( err, "Unable to execute kernel" );
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err = clEnqueueReadBuffer( queue, streams[7], CL_TRUE, 0, sizeof(cl_double)*num_elements, (void *)output_ptr_double, 0, NULL, NULL );
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test_error( err, "Unable to read results" );
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if (verify_clamp_double(input_ptr_double[0], input_ptr_double[1], input_ptr_double[2], output_ptr_double, n_elems*g_arrVecSizes[(i-kTotalVecCount)]))
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{
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log_error("CLAMP double%d test failed\n", g_arrVecSizes[(i-kTotalVecCount)]);
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err = -1;
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}
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else
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{
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log_info("CLAMP double%d test passed\n", g_arrVecSizes[(i-kTotalVecCount)]);
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err = 0;
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}
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if (err)
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break;
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}
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}
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for( i = 0; i < ((test_double) ? 8 : 4); i++ )
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{
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clReleaseMemObject(streams[i]);
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}
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for (i=0; i < ((test_double) ? kTotalVecCount * 2-1 : kTotalVecCount); 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(program);
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free(kernel);
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if (test_double) {
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free(input_ptr_double[0]);
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free(input_ptr_double[1]);
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free(input_ptr_double[2]);
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free(output_ptr_double);
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}
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return err;
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}
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