Package uk.ac.manchester.spinnaker.machine

Class MachineDefaults

java.lang.Object
uk.ac.manchester.spinnaker.machine.MachineDefaults
public final class MachineDefaults extends Object
Default values for a SpiNNaker machine comprised of SpiNNaker-1 chips running on boards of version 2 through 5.
Author:
Christian-B

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final int
    COORD_SHIFT
    Width of field of hash code for holding (one dimension of the) chip coordinate.
    static final int
    CORE_SHIFT
    Width of field of hash code for holding processor ID.
    static final int
    DTCM_AVAILABLE
    DTCM available on each standard Processor.
    static final Map<ChipLocation,EnumSet<Direction>>
    FOUR_CHIP_DOWN_LINKS
    Ignore Links info for a four chip board.
    static final int
    HALF_SIZE
    The offset from zero in chips to get half size root values.
    static final int
    MAX_LINKS_PER_ROUTER
    Maximum links available on a standard Router.
    static final int
    MAX_NUM_CORES
    The maximum number of cores present on a chip.
    static final int
    MAX_X
    Maximum X coordinate for a chip regardless of the type of machine.
    static final int
    MAX_Y
    Maximum Y coordinate for a chip regardless of the type of machine.
    static final int
    NUM_ROUTER_DIAGNOSTIC_COUNTERS
    The number of router diagnostic counters.
    static final int
    PROCESSOR_CLOCK_SPEED
    Clock speed in MHz of a standard Processor.
    static final int
    PROCESSORS_PER_CHIP
    Standard number of Processors on each Chip.
    static final int
    REGION_SHIFT
    Width of field of hash code for holding region ID.
    static final int
    ROUTER_AVAILABLE_ENTRIES
    Entries available on a standard Router.
    static final int
    SDRAM_PER_CHIP
    Default SDRAM per chip after SCAMP has reserved space for itself.
    static final int
    SIZE_X_OF_ONE_BOARD
    The number of rows of chips on each 48 Chip board.
    static final int
    SIZE_Y_OF_ONE_BOARD
    The number of columns of chips on each 48 Chip board.
    static final int
    TRIAD_HEIGHT
    The height of only known triad in chips.
    static final int
    TRIAD_WIDTH
    The width of the triad in chips.

  • Method Summary

    Modifier and Type
    Method
    Description
    static void
    validateChipLocation(int x, int y)
    Checks the X and Y coordinate parameters are legal ones regardless of the type of machine.
    static void
    validateCoreLocation(int x, int y, int p)
    Checks the X, Y, and P coordinate parameters are legal ones regardless of the type of machine.

    Methods inherited from class java.lang.Object

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

  • Field Details

    • SDRAM_PER_CHIP

      public static final int SDRAM_PER_CHIP
      Default SDRAM per chip after SCAMP has reserved space for itself.
      See Also:

    • PROCESSOR_CLOCK_SPEED

      public static final int PROCESSOR_CLOCK_SPEED
      Clock speed in MHz of a standard Processor.
      See Also:

    • DTCM_AVAILABLE

      public static final int DTCM_AVAILABLE
      DTCM available on each standard Processor.
      See Also:

    • PROCESSORS_PER_CHIP

      public static final int PROCESSORS_PER_CHIP
      Standard number of Processors on each Chip.
      See Also:

    • ROUTER_AVAILABLE_ENTRIES

      public static final int ROUTER_AVAILABLE_ENTRIES
      Entries available on a standard Router.
      See Also:

    • MAX_X

      public static final int MAX_X
      Maximum X coordinate for a chip regardless of the type of machine.
      See Also:

    • MAX_Y

      public static final int MAX_Y
      Maximum Y coordinate for a chip regardless of the type of machine.
      See Also:

    • SIZE_X_OF_ONE_BOARD

      public static final int SIZE_X_OF_ONE_BOARD
      The number of rows of chips on each 48 Chip board.
      See Also:

    • SIZE_Y_OF_ONE_BOARD

      public static final int SIZE_Y_OF_ONE_BOARD
      The number of columns of chips on each 48 Chip board.
      See Also:

    • TRIAD_HEIGHT

      public static final int TRIAD_HEIGHT
      The height of only known triad in chips. Spalloc arranges boards in groups of three — triads — that tile out to form a large machine.
      See Also:

    • TRIAD_WIDTH

      public static final int TRIAD_WIDTH
      The width of the triad in chips. Spalloc arranges boards in groups of three — triads — that tile out to form a large machine.
      See Also:

    • HALF_SIZE

      public static final int HALF_SIZE
      The offset from zero in chips to get half size root values.
      See Also:

    • NUM_ROUTER_DIAGNOSTIC_COUNTERS

      public static final int NUM_ROUTER_DIAGNOSTIC_COUNTERS
      The number of router diagnostic counters.
      See Also:

    • COORD_SHIFT

      public static final int COORD_SHIFT
      Width of field of hash code for holding (one dimension of the) chip coordinate.
      See Also:

    • MAX_NUM_CORES

      public static final int MAX_NUM_CORES
      The maximum number of cores present on a chip.
      See Also:

    • CORE_SHIFT

      public static final int CORE_SHIFT
      Width of field of hash code for holding processor ID.
      See Also:

    • REGION_SHIFT

      public static final int REGION_SHIFT
      Width of field of hash code for holding region ID.
      See Also:

  • Method Details

    • validateChipLocation

      public static void validateChipLocation(int x, int y) throws IllegalArgumentException
      Checks the X and Y coordinate parameters are legal ones regardless of the type of machine.
      Parameters:
      x - X coordinate of the chips location
      y - Y coordinate of the chips location
      Throws:
      IllegalArgumentException - Thrown if either x or y is negative or too big.

    • validateCoreLocation

      public static void validateCoreLocation(int x, int y, int p) throws IllegalArgumentException
      Checks the X, Y, and P coordinate parameters are legal ones regardless of the type of machine.
      Parameters:
      x - X coordinate of the core/chip's location
      y - Y coordinate of the core/chip's location
      p - P coordinate of the core's location
      Throws:
      IllegalArgumentException - Thrown if x, y, or p are negative or too big.