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/*
 *
 *  * Copyright 2015 Skymind,Inc.
 *  *
 *  *    Licensed under the Apache License, Version 2.0 (the "License");
 *  *    you may not use this file except in compliance with the License.
 *  *    You may obtain a copy of the License at
 *  *
 *  *        http://www.apache.org/licenses/LICENSE-2.0
 *  *
 *  *    Unless required by applicable law or agreed to in writing, software
 *  *    distributed under the License is distributed on an "AS IS" BASIS,
 *  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  *    See the License for the specific language governing permissions and
 *  *    limitations under the License.
 *
 *
 */

package jcuda.runtime;

/**
 * CUDA function attributes.

 * 

 * Most comments are taken from the CUDA reference manual.

 *
 * @see JCuda#cudaFuncGetAttributes(cudaFuncAttributes, String)
 */
public class cudaFuncAttributes
{

    /**
     * Size of shared memory in bytes
     */
    public long sharedSizeBytes;

    /**
     * Size of constant memory in bytes
     */
    public long constSizeBytes;

    /**
     * Size of local memory in bytes
     */
    public long localSizeBytes;

    /**
     * Maximum number of threads per block
     */
    public int maxThreadsPerBlock;

    /**
     * Number of registers used
     */
    public int numRegs;

    /**
     * PTX virtual architecture version for which the function was
     * compiled. This value is the major PTX version * 10 + the minor PTX
     * version, so a PTX version 1.3 function would return the value 13.
     * For device emulation kernels, this is set to 9999.
     */
    public int ptxVersion;

    /**
     * Binary architecture version for which the function was compiled.
     * This value is the major binary version * 10 + the minor binary version,
     * so a binary version 1.3 function would return the value 13.
     * For device emulation kernels, this is set to 9999.
     */
    public int binaryVersion;

    /**
     * The attribute to indicate whether the function has been compiled with 
     * user specified option "-Xptxas --dlcm=ca" set.
     */
    public int cacheModeCA;
    
    /**
     * Creates new, uninitialized cudaFuncAttributes
     */
    public cudaFuncAttributes()
    {
    }

    /**
     * Returns a String representation of this object.
     *
     * @return A String representation of this object.
     */
    @Override
    public String toString()
    {
        return "cudaFuncAttributes["+
            "sharedSizeBytes="+sharedSizeBytes+","+
            "constSizeBytes="+constSizeBytes+","+
            "localSizeBytes="+localSizeBytes+","+
            "maxThreadsPerBlock="+maxThreadsPerBlock+","+
            "numRegs="+numRegs+","+
            "ptxVersion="+ptxVersion+","+
            "binaryVersion="+binaryVersion+"," +
            "cacheModeCA="+cacheModeCA+"]";
    }


};