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--- playground [2009/06/05 16:11]
jjp
+++ playground [2015/08/23 13:59]
@@ Line 1: / Line 1: @@
-#include <cstring>
-#include <stdio.h>
-#include <stdlib.h>
-#include "cutil.h"
-#include "cudpp/cudpp.h"
-void cudppSort(unsigned int* data, unsigned int size, double* time, double* transferTime, bool merge)
-{
-	unsigned int timer, transferTimer;
-	cutCreateTimer(&timer);
-	cutCreateTimer(&transferTimer);
-	cutStartTimer(transferTimer);
-	unsigned int* ddata1 = 0;
-	unsigned int* ddata2 = 0;
-	size_t memSize = size * sizeof(unsigned int);
-	cudaMalloc((void**) &ddata1, memSize);
-	cudaMalloc((void**) &ddata2, memSize);
-	cudaMemcpy(ddata1, data, memSize, cudaMemcpyHostToDevice);
-	cutStopTimer(transferTimer);
-	cudaThreadSynchronize();
-	cutStartTimer(timer);
-	CUDPPConfiguration config;
-	if (merge)
-		config.algorithm = CUDPP_SORT_RADIX;
-	else
-		config.algorithm = CUDPP_SORT_RADIX_GLOBAL;
-	config.datatype = CUDPP_UINT;
-	CUDPPHandle sortplan = 0;
-	CUDPPResult result = cudppPlan(&sortplan, config, size, 1, 0);
-	cudppSort(sortplan, ddata2, ddata1, size);
-	cudaThreadSynchronize();
-	cutStopTimer(timer);
-	cutStartTimer(transferTimer);
-	cudaMemcpy(data, ddata2, memSize, cudaMemcpyDeviceToHost);
-	cudaFree(ddata1);
-	cudaFree(ddata2);
-	result = cudppDestroyPlan(sortplan);
-	cutStopTimer(transferTimer);
-	*time = cutGetTimerValue(timer);
-	*transferTime = cutGetTimerValue(transferTimer);
-	cutDeleteTimer(timer);
-	cutDeleteTimer(transferTimer);
-}
-int main(int argc, char *argv[])
-{
-	int size = 10000000;
-	float* data = new float[size];
-	for (int i = 0; i < size; i++)
-		data[i] = float(rand());
-	double time = 0.0;
-	double transferTime = 0.0;
-	printf("\nCUDPP Radix with sync..\n");
-	for (int i = 0; i < 5; i++)
-	{
-		cudppSort(data, size, &time, &transferTime);
-		printf("Time: %f, transfer time: %f\n", time, transferTime);
-		//time = 0.0; transferTime = 0.0;
-	}
-	delete [] data;
-	return 0;
-}

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