mirror of
https://github.com/dragonpilot/dragonpilot.git
synced 2026-02-27 10:43:52 +08:00
89 lines
5.5 KiB
C
89 lines
5.5 KiB
C
/**************************************************************************************************
|
|
* *
|
|
* This file is part of BLASFEO. *
|
|
* *
|
|
* BLASFEO -- BLAS For Embedded Optimization. *
|
|
* Copyright (C) 2019 by Gianluca Frison. *
|
|
* Developed at IMTEK (University of Freiburg) under the supervision of Moritz Diehl. *
|
|
* All rights reserved. *
|
|
* *
|
|
* The 2-Clause BSD License *
|
|
* *
|
|
* Redistribution and use in source and binary forms, with or without *
|
|
* modification, are permitted provided that the following conditions are met: *
|
|
* *
|
|
* 1. Redistributions of source code must retain the above copyright notice, this *
|
|
* list of conditions and the following disclaimer. *
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice, *
|
|
* this list of conditions and the following disclaimer in the documentation *
|
|
* and/or other materials provided with the distribution. *
|
|
* *
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND *
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED *
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE *
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR *
|
|
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES *
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; *
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND *
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
|
|
* *
|
|
* Author: Ian McInerney *
|
|
* *
|
|
**************************************************************************************************/
|
|
|
|
#ifndef BLASFEO_PROCESSOR_FEATURES_H_
|
|
#define BLASFEO_PROCESSOR_FEATURES_H_
|
|
|
|
/**
|
|
* Flags to indicate the different processor features
|
|
*/
|
|
enum
|
|
{
|
|
// x86-64 CPU features
|
|
BLASFEO_PROCESSOR_FEATURE_AVX = 0x0001, /// AVX instruction set
|
|
BLASFEO_PROCESSOR_FEATURE_AVX2 = 0x0002, /// AVX2 instruction set
|
|
BLASFEO_PROCESSOR_FEATURE_FMA = 0x0004, /// FMA instruction set
|
|
BLASFEO_PROCESSOR_FEATURE_SSE3 = 0x0008, /// SSE3 instruction set
|
|
|
|
// ARM CPU features
|
|
BLASFEO_PROCESSOR_FEATURE_VFPv3 = 0x0100, /// VFPv3 instruction set
|
|
BLASFEO_PROCESSOR_FEATURE_NEON = 0x0100, /// NEON instruction set
|
|
BLASFEO_PROCESSOR_FEATURE_VFPv4 = 0x0100, /// VFPv4 instruction set
|
|
BLASFEO_PROCESSOR_FEATURE_NEONv2 = 0x0100, /// NEONv2 instruction set
|
|
} BLASFEO_PROCESSOR_FEATURES;
|
|
|
|
/**
|
|
* Test the features that this processor provides against what the library was compiled with.
|
|
*
|
|
* @param features - Pointer to an integer to store the supported feature set (using the flags in the BLASFEO_PROCESSOR_FEATURES enum)
|
|
* @return 0 if current processor doesn't support all features required for this library, 1 otherwise
|
|
*/
|
|
int blasfeo_processor_cpu_features( int* features );
|
|
|
|
/**
|
|
* Test the features that this processor provides against what the library was compiled with.
|
|
*
|
|
* @param features - Pointer to an integer to store the supported feature set (using the flags in the BLASFEO_PROCESSOR_FEATURES enum)
|
|
* @return 0 if current processor doesn't support all features required for this library, 1 otherwise
|
|
*/
|
|
void blasfeo_processor_library_features( int* features );
|
|
|
|
/**
|
|
* Create a string listing the features the current processor supports.
|
|
*
|
|
* @param features - Flags from the BLASFEO_PROCESSOR_FEATURES enum indicating the features supported
|
|
* @param featureString - Character array to store the feature string in
|
|
*/
|
|
void blasfeo_processor_feature_string( int features, char* featureString );
|
|
|
|
/**
|
|
* Get a string listing the processor features that this library version needs to run.
|
|
*
|
|
* @param featureString - Character array to store the feature string in
|
|
*/
|
|
void blasfeo_processor_library_string( char* featureString );
|
|
|
|
#endif // BLASFEO_PROCESSOR_FEATURES_H_
|