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https://github.com/KhronosGroup/OpenCL-CTS.git
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Initial open source release of OpenCL 2.0 CTS.
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Kedar Patil
156
test_conformance/half/cl_utils.h
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156
test_conformance/half/cl_utils.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 CL_UTILS_H
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#define CL_UTILS_H
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#include "../../test_common/harness/compat.h"
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#include <stdio.h>
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#if !defined(_WIN32)
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#include <sys/param.h>
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#endif
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#ifdef __MINGW32__
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#define __mingw_printf printf
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#endif
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#include "../../test_common/harness/errorHelpers.h"
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#include "../../test_common/harness/ThreadPool.h"
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#include "test_config.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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extern void *gIn_half;
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extern void *gOut_half;
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extern void *gOut_half_reference;
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extern void *gOut_half_reference_double;
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extern void *gIn_single;
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extern void *gOut_single;
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extern void *gOut_single_reference;
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extern void *gIn_double;
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// extern void *gOut_double;
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// extern void *gOut_double_reference;
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extern cl_mem gInBuffer_half;
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extern cl_mem gOutBuffer_half;
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extern cl_mem gInBuffer_single;
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extern cl_mem gOutBuffer_single;
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extern cl_mem gInBuffer_double;
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// extern cl_mem gOutBuffer_double;
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extern uint32_t gDeviceIndex;
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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 uint32_t gDeviceFrequency;
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extern uint32_t gComputeDevices;
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extern size_t gMaxThreadGroupSize;
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extern size_t gWorkGroupSize;
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extern int gFailCount;
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extern int gTestDouble;
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extern int gReportTimes;
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// gWimpyMode indicates if we run the test in wimpy mode where we limit the
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// size of 32 bit ranges to a much smaller set. This is meant to be used
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// as a smoke test
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extern bool gWimpyMode;
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uint64_t ReadTime( void );
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double SubtractTime( uint64_t endTime, uint64_t startTime );
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cl_uint numVecs(cl_uint count, int vectorSizeIdx, bool aligned);
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cl_uint runsOverBy(cl_uint count, int vectorSizeIdx, bool aligned);
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void printSource(const char * src[], int len);
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extern const char *vector_size_name_extensions[kVectorSizeCount+kStrangeVectorSizeCount];
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extern const char *vector_size_strings[kVectorSizeCount+kStrangeVectorSizeCount];
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extern const char *align_divisors[kVectorSizeCount+kStrangeVectorSizeCount];
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extern const char *align_types[kVectorSizeCount+kStrangeVectorSizeCount];
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int InitCL( void );
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void ReleaseCL( void );
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int RunKernel( cl_kernel kernel, void *inBuf, void *outBuf, uint32_t blockCount , int extraArg);
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cl_program MakeProgram( const char *source[], int count );
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#define STRING( _x ) STRINGIFY( _x )
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#define STRINGIFY(x) #x
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static inline float as_float(cl_uint u) { union { cl_uint u; float f; }v; v.u = u; return v.f; }
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static inline double as_double(cl_ulong u) { union { cl_ulong u; double d; }v; v.u = u; return v.d; }
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// used to convert a bucket of bits into a search pattern through double
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static inline cl_ulong DoubleFromUInt( cl_uint bits );
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static inline cl_ulong DoubleFromUInt( cl_uint bits )
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{
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// split 0x89abcdef to 0x89abcd00000000ef
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cl_ulong u = ((cl_ulong)(bits & ~0xffU) << 32) | ((cl_ulong)(bits & 0xffU));
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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 -= (cl_ulong)((bits & 0x80U) << 1);
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return u;
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}
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static inline int IsHalfSubnormal( uint16_t x )
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{
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return ((x&0x7fffU)-1U) < 0x03ffU;
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}
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// prevent silent failures due to missing FLT_RADIX
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#ifndef FLT_RADIX
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#error FLT_RADIX is not defined by float.h
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#endif
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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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#endif /* CL_UTILS_H */
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