mirror of
https://github.com/KhronosGroup/OpenCL-CTS.git
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Initial open source release of OpenCL 2.0 CTS.
This commit is contained in:
Kedar Patil
280
test_conformance/math_brute_force/Utility.h
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280
test_conformance/math_brute_force/Utility.h
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//
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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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#ifndef UTILITY_H
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#define UTILITY_H
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#include "../../test_common/harness/compat.h"
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#ifdef __APPLE__
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#include <OpenCL/opencl.h>
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#else
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#include <CL/opencl.h>
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#endif
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#include <stdio.h>
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#include "../../test_common/harness/rounding_mode.h"
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#include "../../test_common/harness/fpcontrol.h"
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#if defined( _WIN32) && defined (_MSC_VER)
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#include "../../test_common/harness/testHarness.h"
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#endif
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#include "../../test_common/harness/ThreadPool.h"
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#define BUFFER_SIZE (1024*1024*2)
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#if defined( __GNUC__ )
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#define UNUSED __attribute__ ((unused))
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#else
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#define UNUSED
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#endif
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extern int gWimpyBufferSize;
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extern int gWimpyReductionFactor;
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#define VECTOR_SIZE_COUNT 6
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extern const char *sizeNames[VECTOR_SIZE_COUNT];
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extern const int sizeValues[VECTOR_SIZE_COUNT];
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extern cl_device_type gDeviceType;
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extern cl_device_id gDevice;
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extern cl_context gContext;
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extern cl_command_queue gQueue;
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extern void *gIn;
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extern void *gIn2;
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extern void *gIn3;
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extern void *gOut_Ref;
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extern void *gOut_Ref2;
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extern void *gOut[VECTOR_SIZE_COUNT];
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extern void *gOut2[VECTOR_SIZE_COUNT];
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extern cl_mem gInBuffer;
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extern cl_mem gInBuffer2;
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extern cl_mem gInBuffer3;
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extern cl_mem gOutBuffer[VECTOR_SIZE_COUNT];
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extern cl_mem gOutBuffer2[VECTOR_SIZE_COUNT];
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extern uint32_t gComputeDevices;
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extern uint32_t gSimdSize;
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extern int gSkipCorrectnessTesting;
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extern int gMeasureTimes;
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extern int gReportAverageTimes;
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extern int gForceFTZ;
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extern volatile int gTestFastRelaxed;
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extern int gFastRelaxedDerived;
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extern int gWimpyMode;
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extern int gHasDouble;
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extern int gIsInRTZMode;
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extern int gInfNanSupport;
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extern int gIsEmbedded;
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extern int gVerboseBruteForce;
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extern uint32_t gMaxVectorSizeIndex;
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extern uint32_t gMinVectorSizeIndex;
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extern uint32_t gDeviceFrequency;
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extern cl_device_fp_config gFloatCapabilities;
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extern cl_device_fp_config gDoubleCapabilities;
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#define LOWER_IS_BETTER 0
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#define HIGHER_IS_BETTER 1
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#if USE_ATF
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#include <ATF/ATF.h>
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#define test_start() ATFTestStart()
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#define test_finish() ATFTestFinish()
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#define vlog( ... ) ATFLogInfo(__VA_ARGS__)
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#define vlog_error( ... ) ATFLogError(__VA_ARGS__)
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#define vlog_perf( _number, _higherIsBetter, _units, _nameFmt, ... ) ATFLogPerformanceNumber(_number, _higherIsBetter, _units, _nameFmt, __VA_ARGS__ )
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#else
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#include "../../test_common/harness/errorHelpers.h"
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#endif
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#if defined (_MSC_VER )
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//Deal with missing scalbn on windows
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#define scalbnf( _a, _i ) ldexpf( _a, _i )
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#define scalbn( _a, _i ) ldexp( _a, _i )
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#define scalbnl( _a, _i ) ldexpl( _a, _i )
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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float Abs_Error( float test, double reference );
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float Ulp_Error( float test, double reference );
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//float Ulp_Error_Half( float test, double reference );
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float Ulp_Error_Double( double test, long double reference );
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#ifdef __cplusplus
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} //extern "C"
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#endif
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uint64_t GetTime( void );
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double SubtractTime( uint64_t endTime, uint64_t startTime );
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int MakeKernel( const char **c, cl_uint count, const char *name, cl_kernel *k, cl_program *p );
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int MakeKernels( const char **c, cl_uint count, const char *name, cl_uint kernel_count, cl_kernel *k, cl_program *p );
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// used to convert a bucket of bits into a search pattern through double
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static inline double DoubleFromUInt32( uint32_t bits );
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static inline double DoubleFromUInt32( uint32_t bits )
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{
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union{ uint64_t u; double d;} u;
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// split 0x89abcdef to 0x89abc00000000def
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u.u = bits & 0xfffU;
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u.u |= (uint64_t) (bits & ~0xfffU) << 32;
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// sign extend the leading bit of def segment as sign bit so that the middle region consists of either all 1s or 0s
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u.u -= (bits & 0x800U) << 1;
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// return result
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return u.d;
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}
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void _LogBuildError( cl_program p, int line, const char *file );
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#define LogBuildError( program ) _LogBuildError( program, __LINE__, __FILE__ )
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#define PERF_LOOP_COUNT 100
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// Note: though this takes a double, this is for use with single precision tests
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static inline int IsFloatSubnormal( double x )
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{
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#if 2 == FLT_RADIX
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// Do this in integer to avoid problems with FTZ behavior
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union{ float d; uint32_t u;}u;
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u.d = fabsf((float)x);
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return (u.u-1) < 0x007fffffU;
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#else
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// rely on floating point hardware for non-radix2 non-IEEE-754 hardware -- will fail if you flush subnormals to zero
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return fabs(x) < (double) FLT_MIN && x != 0.0;
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#endif
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}
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static inline int IsDoubleSubnormal( long double x )
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{
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#if 2 == FLT_RADIX
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// Do this in integer to avoid problems with FTZ behavior
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union{ double d; uint64_t u;}u;
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u.d = fabs((double) x);
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return (u.u-1) < 0x000fffffffffffffULL;
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#else
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// rely on floating point hardware for non-radix2 non-IEEE-754 hardware -- will fail if you flush subnormals to zero
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return fabs(x) < (double) DBL_MIN && x != 0.0;
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#endif
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}
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//The spec is fairly clear that we may enforce a hard cutoff to prevent premature flushing to zero.
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// However, to avoid conflict for 1.0, we are letting results at TYPE_MIN + ulp_limit to be flushed to zero.
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static inline int IsFloatResultSubnormal( double x, float ulps )
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{
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x = fabs(x) - MAKE_HEX_DOUBLE( 0x1.0p-149, 0x1, -149) * (double) ulps;
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return x < MAKE_HEX_DOUBLE( 0x1.0p-126, 0x1, -126 );
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}
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static inline int IsFloatResultSubnormalAbsError( double x , float abs_err)
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{
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x = x - abs_err;
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return x < MAKE_HEX_DOUBLE( 0x1.0p-126, 0x1, -126 );
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}
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static inline int IsDoubleResultSubnormal( long double x, float ulps )
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{
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x = fabsl(x) - MAKE_HEX_LONG( 0x1.0p-1074, 0x1, -1074) * (long double) ulps;
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return x < MAKE_HEX_LONG( 0x1.0p-1022, 0x1, -1022 );
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}
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static inline int IsFloatInfinity(double x)
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{
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union { cl_float d; cl_uint u; } u;
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u.d = (cl_float) x;
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return ((u.u & 0x7fffffffU) == 0x7F800000U);
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}
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static inline int IsFloatMaxFloat(double x)
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{
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union { cl_float d; cl_uint u; } u;
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u.d = (cl_float) x;
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return ((u.u & 0x7fffffffU) == 0x7F7FFFFFU);
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}
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static inline int IsFloatNaN(double x)
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{
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union { cl_float d; cl_uint u; } u;
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u.d = (cl_float) x;
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return ((u.u & 0x7fffffffU) > 0x7F800000U);
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}
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extern cl_uint RoundUpToNextPowerOfTwo( cl_uint x );
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// Windows (since long double got deprecated) sets the x87 to 53-bit precision
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// (that's x87 default state). This causes problems with the tests that
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// convert long and ulong to float and double or otherwise deal with values
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// that need more precision than 53-bit. So, set the x87 to 64-bit precision.
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static inline void Force64BitFPUPrecision(void)
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{
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#if __MINGW32__
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// The usual method is to use _controlfp as follows:
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// #include <float.h>
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// _controlfp(_PC_64, _MCW_PC);
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//
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// _controlfp is available on MinGW32 but not on MinGW64. Instead of having
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// divergent code just use inline assembly which works for both.
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unsigned short int orig_cw = 0;
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unsigned short int new_cw = 0;
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__asm__ __volatile__ ("fstcw %0":"=m" (orig_cw));
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new_cw = orig_cw | 0x0300; // set precision to 64-bit
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__asm__ __volatile__ ("fldcw %0"::"m" (new_cw));
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#elif defined( _WIN32 ) && defined( __INTEL_COMPILER )
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// Unfortunately, usual method (`_controlfp( _PC_64, _MCW_PC );') does *not* work on win.x64:
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// > On the x64 architecture, changing the floating point precision is not supported.
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// (Taken from http://msdn.microsoft.com/en-us/library/e9b52ceh%28v=vs.100%29.aspx)
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int cw;
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__asm { fnstcw cw }; // Get current value of FPU control word.
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cw = cw & 0xfffffcff | ( 3 << 8 ); // Set Precision Control to Double Extended Precision.
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__asm { fldcw cw }; // Set new value of FPU control word.
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#else
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/* Implement for other platforms if needed */
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#endif
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}
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#ifdef __cplusplus
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extern "C"
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#else
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extern
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#endif
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void memset_pattern4(void *dest, const void *src_pattern, size_t bytes );
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typedef union
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{
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int32_t i;
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float f;
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}int32f_t;
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typedef union
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{
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int64_t l;
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double d;
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}int64d_t;
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void MulD(double *rhi, double *rlo, double u, double v);
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void AddD(double *rhi, double *rlo, double a, double b);
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void MulDD(double *rhi, double *rlo, double xh, double xl, double yh, double yl);
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void AddDD(double *rhi, double *rlo, double xh, double xl, double yh, double yl);
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void DivideDD(double *chi, double *clo, double a, double b);
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int compareFloats(float x, float y);
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int compareDoubles(double x, double y);
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void logFunctionInfo(const char *fname, unsigned int float_size, unsigned int isFastRelaxed);
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#endif /* UTILITY_H */
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