java.lang.Object
freenet.support.CPUInformation.CPUIDCPUInfo
All Implemented Interfaces:
CPUInfo
Direct Known Subclasses:
AMDInfoImpl, IntelInfoImpl, VIAInfoImpl
class CPUIDCPUInfoextends Object implements CPUInfo
Moved out of CPUID.java Ref: http://en.wikipedia.org/wiki/CPUID

  • Constructor Summary

    Constructors
    Constructor
    Description
    CPUIDCPUInfo()
    Constructor.

  • Method Summary

    All Methods
    Modifier and Type
    Method
    Description
    String
    getCPUModelString()
    Gets the CPU model description.
    String
    getVendor()
    Gets the CPU vendor.
    boolean
    hasABM()
    Also known as LZCNT
    boolean
    hasADX()
    Intel Multi-Precision Add-Carry Instruction Extensions Available in Broadwell.
    boolean
    hasAES()
    Whether the CPU supports AES.
    boolean
    hasAVX()
    Whether the CPU supports AVX.
    boolean
    hasAVX2()
    Whether the CPU supports AVX2.
    boolean
    hasAVX512()
    Does the CPU supports the AVX-512 Foundation instruction set? Quote wikipedia: AVX-512 consists of multiple extensions not all meant to be supported by all processors implementing them.
    boolean
    hasBMI1()
    Whether the CPU supports BMI1.
    boolean
    hasBMI2()
    Whether the CPU supports BMI2.
    boolean
    hasFMA3()
    Whether the CPU supports FMA3.
    boolean
    hasMMX()
    Checks if CPU supports the MMX instruction set.
    boolean
    hasMOVBE()
    Whether the CPU supports MOVBE.
    boolean
    hasSSE()
    Checks if CPU supports the SSE instruction set.
    boolean
    hasSSE2()
    Checks if CPU supports the SSE2 instruction set.
    boolean
    hasSSE3()
    Checks if CPU supports the SSE3 instruction set.
    boolean
    hasSSE41()
    Checks if CPU supports the SSE4.1 instruction set.
    boolean
    hasSSE42()
    Checks if CPU supports the SSE4.2 instruction set.
    boolean
    hasSSE4A()
    AMD K10 only.
    boolean
    hasTBM()
    Trailing Bit Manipulation (AMD feature)
    boolean
    hasX64()
    Whether the CPU supports 64-bit mode.

    Methods inherited from class Object

    clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • CPUIDCPUInfo

      CPUIDCPUInfo()
      Constructor. Every answer is read from the static CPUID helpers, so an instance holds no state; one is created per support check.

  • Method Details

    • getVendor

      public String getVendor()
      Description copied from interface: CPUInfo
      Gets the CPU vendor.
      Specified by:
      getVendor in interface CPUInfo
      Returns:
      A string indicating the vendor of the CPU.

    • hasMMX

      public boolean hasMMX()
      Description copied from interface: CPUInfo
      Checks if CPU supports the MMX instruction set.
      Specified by:
      hasMMX in interface CPUInfo
      Returns:
      true iff CPU supports the MMX instruction set.

    • hasSSE

      public boolean hasSSE()
      Description copied from interface: CPUInfo
      Checks if CPU supports the SSE instruction set.
      Specified by:
      hasSSE in interface CPUInfo
      Returns:
      true iff the CPU supports the SSE instruction set.

    • hasSSE2

      public boolean hasSSE2()
      Description copied from interface: CPUInfo
      Checks if CPU supports the SSE2 instruction set.
      Specified by:
      hasSSE2 in interface CPUInfo
      Returns:
      true iff the CPU supports the SSE2 instruction set.

    • hasSSE3

      public boolean hasSSE3()
      Description copied from interface: CPUInfo
      Checks if CPU supports the SSE3 instruction set.
      Specified by:
      hasSSE3 in interface CPUInfo
      Returns:
      true iff the CPU supports the SSE3 instruction set.

    • hasSSE41

      public boolean hasSSE41()
      Description copied from interface: CPUInfo
      Checks if CPU supports the SSE4.1 instruction set.
      Specified by:
      hasSSE41 in interface CPUInfo
      Returns:
      true iff the CPU supports the SSE4.1 instruction set.

    • hasSSE42

      public boolean hasSSE42()
      Description copied from interface: CPUInfo
      Checks if CPU supports the SSE4.2 instruction set.
      Specified by:
      hasSSE42 in interface CPUInfo
      Returns:
      true iff the CPU supports the SSE4.2 instruction set.

    • hasSSE4A

      public boolean hasSSE4A()
      Description copied from interface: CPUInfo
      AMD K10 only. Not supported on Intel. ref: https://en.wikipedia.org/wiki/SSE4.2#SSE4a
      Specified by:
      hasSSE4A in interface CPUInfo
      Returns:
      true iff the CPU supports the SSE4A instruction set.

    • hasAVX

      public boolean hasAVX()
      Whether the CPU supports AVX.
      Specified by:
      hasAVX in interface CPUInfo
      Returns:
      true iff the CPU supports the AVX instruction set.

    • hasAVX2

      public boolean hasAVX2()
      Whether the CPU supports AVX2.
      Specified by:
      hasAVX2 in interface CPUInfo
      Returns:
      true iff the CPU supports the AVX2 instruction set.

    • hasAVX512

      public boolean hasAVX512()
      Does the CPU supports the AVX-512 Foundation instruction set? Quote wikipedia: AVX-512 consists of multiple extensions not all meant to be supported by all processors implementing them. Only the core extension AVX-512F (AVX-512 Foundation) is required by all implementations. ref: https://en.wikipedia.org/wiki/AVX-512
      Specified by:
      hasAVX512 in interface CPUInfo
      Returns:
      true iff the CPU supports the AVX-512 Foundation instruction set.

    • hasADX

      public boolean hasADX()
      Intel Multi-Precision Add-Carry Instruction Extensions Available in Broadwell. Unused until GMP 6.1.
      Specified by:
      hasADX in interface CPUInfo
      Returns:
      true iff the CPU supports the ADX instruction set.

    • hasTBM

      public boolean hasTBM()
      Trailing Bit Manipulation (AMD feature)
      Specified by:
      hasTBM in interface CPUInfo
      Returns:
      true iff the CPU supports TBM.

    • hasAES

      public boolean hasAES()
      Whether the CPU supports AES.
      Specified by:
      hasAES in interface CPUInfo
      Returns:
      true iff the CPU supports the AES-NI instruction set.

    • hasX64

      public boolean hasX64()
      Whether the CPU supports 64-bit mode.
      Specified by:
      hasX64 in interface CPUInfo
      Returns:
      true iff the CPU supports the 64-bit support

    • hasBMI1

      public boolean hasBMI1()
      Whether the CPU supports BMI1.
      Specified by:
      hasBMI1 in interface CPUInfo
      Returns:
      true iff the CPU supports the BMI1 instruction set.

    • hasBMI2

      public boolean hasBMI2()
      Whether the CPU supports BMI2.
      Specified by:
      hasBMI2 in interface CPUInfo
      Returns:
      true iff the CPU supports the BMI2 instruction set.

    • hasFMA3

      public boolean hasFMA3()
      Whether the CPU supports FMA3.
      Specified by:
      hasFMA3 in interface CPUInfo
      Returns:
      true iff the CPU supports the FMA3 instruction set.

    • hasMOVBE

      public boolean hasMOVBE()
      Whether the CPU supports MOVBE.
      Specified by:
      hasMOVBE in interface CPUInfo
      Returns:
      true iff the CPU supports the MOVBE instruction set.

    • hasABM

      public boolean hasABM()
      Also known as LZCNT
      Specified by:
      hasABM in interface CPUInfo
      Returns:
      true iff the CPU supports the ABM instruction set.

    • getCPUModelString

      public String getCPUModelString() throws UnknownCPUException
      Description copied from interface: CPUInfo
      Gets the CPU model description.
      Specified by:
      getCPUModelString in interface CPUInfo
      Returns:
      A string detailing what type of CPU that is present in the machine. I.e. 'Pentium IV' etc.
      Throws:
      UnknownCPUException - If for any reason the retrieval of the requested information failed. The message encapsulated in the exception indicates the cause of the failure.