jcuda.runtime.cudaMemoryAdvise Maven / Gradle / Ivy
/*
* JCuda - Java bindings for NVIDIA CUDA driver and runtime API
*
* Copyright (c) 2009-2016 Marco Hutter - http://www.jcuda.org
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
package jcuda.runtime;
/**
* CUDA Memory Advise values
*/
public class cudaMemoryAdvise
{
/**
* Data will mostly be read and only occassionally be written to
*/
public static final int cudaMemAdviseSetReadMostly = 1;
/**
* Undo the effect of ::cudaMemAdviseSetReadMostly
*/
public static final int cudaMemAdviseUnsetReadMostly = 2;
/**
* Set the preferred location for the data as the specified device
*/
public static final int cudaMemAdviseSetPreferredLocation = 3;
/**
* Clear the preferred location for the data
*/
public static final int cudaMemAdviseUnsetPreferredLocation = 4;
/**
* Data will be accessed by the specified device, so prevent page faults as much as possible
*/
public static final int cudaMemAdviseSetAccessedBy = 5;
/**
* Let the Unified Memory subsystem decide on the page faulting policy for the specified device
*/
public static final int cudaMemAdviseUnsetAccessedBy = 6;
/**
* Returns the String identifying the given cudaMemoryAdvise
*
* @param k The cudaMemoryAdvise
* @return The String identifying the given cudaMemoryAdvise
*/
public static String stringFor(int k)
{
switch (k)
{
case cudaMemAdviseSetReadMostly : return "cudaMemAdviseSetReadMostly";
case cudaMemAdviseUnsetReadMostly : return "cudaMemAdviseUnsetReadMostly";
case cudaMemAdviseSetPreferredLocation : return "cudaMemAdviseSetPreferredLocation";
case cudaMemAdviseUnsetPreferredLocation : return "cudaMemAdviseUnsetPreferredLocation";
case cudaMemAdviseSetAccessedBy : return "cudaMemAdviseSetAccessedBy";
case cudaMemAdviseUnsetAccessedBy : return "cudaMemAdviseUnsetAccessedBy";
}
return "INVALID cudaMemoryAdvise: "+k;
}
/**
* Private constructor to prevent instantiation.
*/
private cudaMemoryAdvise()
{
}
};