SHOGUN  6.1.3
cpu.h
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1 /*
2  * Copyright (c) The Shogun Machine Learning Toolbox
3  * Written (w) 2017 - Viktor Gal
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30 
31 #ifndef __CPU_INFO_H__
32 #define __CPU_INFO_H__
33 
34 #include <shogun/lib/common.h>
35 
37 {
38 #ifdef _MSC_VER
39  _mm_pause();
40 #elif defined(__i386__) || defined(__x86_64__)
41  asm volatile("pause");
42 #elif defined(__arm__) || defined(__aarch64__)
43  asm volatile("yield");
44 #elif defined(__powerpc__) || defined(__ppc__)
45  asm volatile("or 27,27,27");
46 #elif defined(__s390__) || defined(__s390x__)
47  asm volatile("" : : : "memory");
48 #else
49 #warning "Unknown architecture, defaulting to delaying loop."
50  static uint32_t bar = 13;
51  static uint32_t* foo = &bar;
52  for (unsigned int i = 0; i < 100000; i++)
53  {
54  *foo = (*foo * 33) + 17;
55  }
56 #endif
57 }
58 
59 #endif /* __CPU_INFO_H__ */
#define SG_FORCED_INLINE
Definition: common.h:91
static SG_FORCED_INLINE void CpuRelax()
Definition: cpu.h:36

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