macCPUInfo.h

Go to the documentation of this file.

/*************************************************************************************
**
** Copyright 2007, MeVis Medical Solutions AG
**
** The user may use this file in accordance with the license agreement provided with
** the Software or, alternatively, in accordance with the terms contained in a
** written agreement between the user and MeVis Medical Solutions AG.
**
** For further information use the contact form at https://www.mevislab.de/contact
**
**************************************************************************************/
 
#ifndef MAC_CPUINFO_H
#define MAC_CPUINFO_H
 
 
#if defined(__APPLE__)
 
#include <macSymbolVisibilityMacros.h>
#include <macSysCtl.h>
#include <stdint.h>
#include <string>
 
namespace macos {
 
  class OSXSUPPORT_PUBLIC_API CPUInfo
  {
  public:
 
    enum CPUType {
      CPUTypeUnknown = -1,   
      CPUTypePPC,            
      CPUTypePPC64,          
      CPUTypeI386,           
      CPUTypeX86_64,         
      CPUTypeARM,            
      CPUTypeARM_64          
    };
 
    static CPUType getCPUType();
 
    static bool is64BitCapable() {
      return SysCtl::boolByName("hw.cpu64bit_capable");
    }
 
    static bool isMMXPresent() {
      return SysCtl::boolByName("hw.optional.mmx");
    }
 
    static bool isSSEPresent() {
      return SysCtl::boolByName("hw.optional.sse");
    }
 
    static bool isSSE2Present() {
      return SysCtl::boolByName("hw.optional.sse2");
    }
 
    static bool isSSE3Present() {
      return SysCtl::boolByName("hw.optional.sse3");
    }
 
    static bool isSSSE3Present() {
      return SysCtl::boolByName("hw.optional.supplementalsse3");
    }
 
    static bool isSSE4_1Present() {
      return SysCtl::boolByName("hw.optional.sse4_1");
    }
 
    static bool isSSE4_2Present() {
      return SysCtl::boolByName("hw.optional.sse4_2");
    }
 
    static bool isAVX1Present() {
      return SysCtl::boolByName("hw.optional.avx1_0");
    }
 
    static bool isAVX2Present() {
      return SysCtl::boolByName("hw.optional.avx2_0");
    }
 
    static bool isAESPresent() {
      return SysCtl::boolByName("hw.optional.aes");
    }
 
    static uint64_t getCPUFrequency() {
      return SysCtl::uint64ByName("hw.cpufrequency");
    }
 
    static uint64_t getL1CacheSize() {
      // hw.l1dcachesize ?
      return SysCtl::uint64ByName("hw.l1icachesize");
    }
 
    static uint64_t getL2CacheSize() {
      return SysCtl::uint64ByName("hw.l2cachesize");
    }
 
    static uint64_t getL3CacheSize() {
      return SysCtl::uint64ByName("hw.l3cachesize");
    }
 
    static unsigned int getVirtualCoresCount() {
      uint32_t packCount = SysCtl::uint32ByName("hw.packages");
      return (packCount == 0) ? 1 : SysCtl::uint32ByName("hw.ncpu") / packCount;
    }
 
    static std::string getCPUVendor() {
      return SysCtl::stringByName("machdep.cpu.vendor");
    }
 
    static std::string getCPUBrandString() {
      return SysCtl::stringByName("machdep.cpu.brand_string");
    }
 
  };
 
}
 
#endif  // __APPLE__
#endif  // __macCPUInfo_H