Visual Servoing Platform  version 3.6.1 under development (2024-11-07)
vpCPUFeatures.cpp
1 /*
2  * ViSP, open source Visual Servoing Platform software.
3  * Copyright (C) 2005 - 2024 by Inria. All rights reserved.
4  *
5  * This software is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  * See the file LICENSE.txt at the root directory of this source
10  * distribution for additional information about the GNU GPL.
11  *
12  * For using ViSP with software that can not be combined with the GNU
13  * GPL, please contact Inria about acquiring a ViSP Professional
14  * Edition License.
15  *
16  * See https://visp.inria.fr for more information.
17  *
18  * This software was developed at:
19  * Inria Rennes - Bretagne Atlantique
20  * Campus Universitaire de Beaulieu
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22  * France
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27  * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
28  * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
29  *
30  * Description:
31  * CPU features (hardware capabilities).
32  *
33 *****************************************************************************/
34 
35 #include <visp3/core/vpConfig.h>
36 #include "x86/cpu_x86.h"
37 #if defined(VISP_HAVE_SIMDLIB)
38 #include <Simd/SimdLib.h>
39 #endif
40 #include <visp3/core/vpCPUFeatures.h>
41 
42 BEGIN_VISP_NAMESPACE
43 namespace vpCPUFeatures
44 {
45 // TODO: try to refactor to keep only SimdCpuInfo code and remove cpu_x86 code?
46 static const FeatureDetector::cpuX86 cpu_features;
47 
48 bool checkSSE2() { return cpu_features.HW_SSE2; }
49 
50 bool checkSSE3() { return cpu_features.HW_SSE3; }
51 
52 bool checkSSSE3() { return cpu_features.HW_SSSE3; }
53 
54 bool checkSSE41() { return cpu_features.HW_SSE41; }
55 
56 bool checkSSE42() { return cpu_features.HW_SSE42; }
57 
58 bool checkAVX() { return cpu_features.HW_AVX; }
59 
60 bool checkAVX2() { return cpu_features.HW_AVX2; }
61 
62 #if defined(VISP_HAVE_SIMDLIB)
63 size_t getCPUCacheL1() { return SimdCpuInfo(SimdCpuInfoCacheL1); }
64 
65 size_t getCPUCacheL2() { return SimdCpuInfo(SimdCpuInfoCacheL2); }
66 
67 size_t getCPUCacheL3() { return SimdCpuInfo(SimdCpuInfoCacheL3); }
68 
69 bool checkNeon() { return SimdCpuInfo(SimdCpuInfoNeon) != 0; }
70 #endif
71 
72 void printCPUInfo() { cpu_features.print(); }
73 } // namespace vpCPUFeatures
74 END_VISP_NAMESPACE
Check CPU features (hardware capabilities).
Definition: vpCPUFeatures.h:68
VISP_EXPORT bool checkSSE41()
VISP_EXPORT void printCPUInfo()
VISP_EXPORT bool checkSSE2()
VISP_EXPORT bool checkAVX()
VISP_EXPORT bool checkSSSE3()
VISP_EXPORT size_t getCPUCacheL1()
VISP_EXPORT size_t getCPUCacheL2()
VISP_EXPORT bool checkSSE3()
static const FeatureDetector::cpuX86 cpu_features
VISP_EXPORT bool checkNeon()
VISP_EXPORT bool checkAVX2()
VISP_EXPORT size_t getCPUCacheL3()
VISP_EXPORT bool checkSSE42()