Method Detail

• getDeviceForCurrentThread

  java.lang.Integer getDeviceForCurrentThread()

  This method returns deviceId for current thread

  Returns:

• getDeviceForThread

  java.lang.Integer getDeviceForThread(java.lang.Thread thread)

  This method returns deviceId for specified thread

  Parameters:

  thread -

  Returns:

• getDeviceForThread

  java.lang.Integer getDeviceForThread(long threadId)

  This method returns deviceId for specified threadId

  Parameters:

  threadId -

  Returns:

• getDeviceForArray

  java.lang.Integer getDeviceForArray(INDArray array)

  This method returns id of current device for a given INDArray

  Parameters:

  array -

  Returns:

• attachThreadToDevice

  void attachThreadToDevice(java.lang.Thread thread,
                            java.lang.Integer deviceId)

  This method attaches specified thread to specified device

  Parameters:

  thread -

  deviceId -

• attachThreadToDevice

  void attachThreadToDevice(long threadId,
                            java.lang.Integer deviceId)

  This method attaches specified thread (by Id) to specified device

  Parameters:

  threadId - java ID of the thread

  deviceId -

• getNumberOfDevices

  int getNumberOfDevices()

  This method returns number of available devices

  Returns:

• touch

  void touch(INDArray array)

  Utility method, to associate INDArray with specific device (backend-specific)

  Parameters:

  array -

• touch

  void touch(DataBuffer buffer)

  Utility method, to associate INDArray with specific device (backend-specific)

  Parameters:

  buffer -

• replicateToDevice

  INDArray replicateToDevice(java.lang.Integer deviceId,
                             INDArray array)

  This method replicates given INDArray, and places it to target device.

  Parameters:

  deviceId - target deviceId

  array - INDArray to replicate

  Returns:

• replicateToDevice

  DataBuffer replicateToDevice(java.lang.Integer deviceId,
                               DataBuffer buffer)

  This method replicates given DataBuffer, and places it to target device.

  Parameters:

  deviceId - target deviceId

  buffer -

  Returns:

• tagLocation

  void tagLocation(INDArray array,
                   AffinityManager.Location location)

  This method tags specific INDArray as "recent" on specified location

  Parameters:

  location -

• tagLocation

  void tagLocation(DataBuffer buffer,
                   AffinityManager.Location location)

  This method tags specific DataBuffer as "recent" on specified location

  Parameters:

  location -

• ensureLocation

  void ensureLocation(INDArray array,
                      AffinityManager.Location location)

  This method propagates given INDArray to specified location

  Parameters:

  array -

  location -

• getActiveLocation

  AffinityManager.Location getActiveLocation(INDArray array)

  This method returns last-updated location for the given INDArray

  Parameters:

  array -

  Returns:

• unsafeSetDevice

  void unsafeSetDevice(java.lang.Integer deviceId)

  This method forces specific device for current thread. PLEASE NOTE: This method is UNSAFE and should NOT be used with 100% clearance about it.

  Parameters:

  deviceId -

• isCrossDeviceAccessSupported

  boolean isCrossDeviceAccessSupported()

  This method returns TRUE if cross-device access is allowed on this system

• allowCrossDeviceAccess

  void allowCrossDeviceAccess(boolean reallyAllow)

  This method allows to block cross-device access. Mostly suitable for debugging/testing purposes

  Parameters:

  reallyAllow -