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