com.nativelibs4java.opencl.util

Class ReductionUtils

java.lang.Object

com.nativelibs4java.opencl.util.ReductionUtils

public class ReductionUtils
extends Object

Parallel reduction utils (max, min, sum and product computations on OpenCL buffers of any type)

Author:

Olivier

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ReductionUtils.Operation
static interface	ReductionUtils.Reductor<B>

Constructor Summary

Constructors

Constructor and Description
ReductionUtils()

Method Summary

Modifier and Type	Method and Description
static <B> ReductionUtils.Reductor<B>	createReductor(CLContext context, ReductionUtils.Operation op, OpenCLType valueType, int valueChannels) Create a reductor for the provided operation and primitive type (on the provided number of independent channels).
static com.nativelibs4java.util.Pair<String,Map<String,Object>>	getReductionCodeAndMacros(ReductionUtils.Operation op, OpenCLType valueType, int channels)

Methods inherited from class java.lang.Object

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

Constructor Detail

ReductionUtils

public ReductionUtils()

Method Detail

getReductionCodeAndMacros

public static com.nativelibs4java.util.Pair<String,Map<String,Object>> getReductionCodeAndMacros(ReductionUtils.Operation op,
                                                                                                 OpenCLType valueType,
                                                                                                 int channels)
                                                                                          throws IOException

Throws:

IOException

createReductor

public static <B> ReductionUtils.Reductor<B> createReductor(CLContext context,
                                                            ReductionUtils.Operation op,
                                                            OpenCLType valueType,
                                                            int valueChannels)
                                                     throws CLBuildException

Create a reductor for the provided operation and primitive type (on the provided number of independent channels).
Channels are reduced independently, so that with 2 channels the max of elements { (1, 30), (2, 20), (3, 10) } would be (3, 30).

Throws:

CLBuildException