com.aparapi

Annotation Type Kernel.PrivateMemorySpace

@Retention(value=RUNTIME)
 @Target(value=FIELD)
public static @interface Kernel.PrivateMemorySpace

We can use this Annotation to 'tag' __private (unshared) array fields. Data in the __private address space in OpenCL is accessible only from the current kernel instance. To so mark a field with a buffer size of 99, we can either annotate the buffer

  @PrivateMemorySpace(99) int[] buffer = new int[99];
  

Or use a special suffix

  int[] buffer_$private$99 = new int[99];
  

Note that any code which must be runnable in Kernel.EXECUTION_MODE.JTP will fail to work correctly if it uses such an array, as the array will be shared by all threads. The solution is to create a Kernel.NoCL method called at the start of Kernel.run() which sets the field to an array returned from a static ThreadLocal

. Please see MedianKernel7x7 in the samples for an example.

See Also:

Kernel.PRIVATE_SUFFIX

Required Element Summary

Required Elements

Modifier and Type	Required Element and Description
int	value Size of the array used as __private buffer.

Element Detail

value

public abstract int value

Size of the array used as __private buffer.