Differences

This shows you the differences between two versions of the page.

--- playground [2009/05/15 17:07]
jjp
+++ playground [2015/08/23 13:59]
@@ Line 1: / Line 1: @@
-#include <algorithm>
-#include <cstring>
-#include <math.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/time.h>
-#include "SortingBenchmark.h"
-#include "hybridsort/inc/hybridsort.h"
-#include "cudpp/radixsort/inc/gpuradixsort.h"
-#include "gpuqsort/inc/gpuqsort.h"
-const std::string SortingBenchmark::algNames[] = { "bitonic", "radix", "radix_merge", "hybrid", "quick" };
-#define ALGORITHMS_COUNT 5
-SortingBenchmark::SortingBenchmark(const char* dataBase, bool consoleOutput)
-{
-	mConsoleOutput = consoleOutput;
-#ifdef SQLITE3
-	if(sqlite3_open(dataBase, &mDataBase))
-	{
-		fprintf(stderr, "Can't open database: %s\n", sqlite3_errmsg(mDataBase));
-		sqlite3_close(mDataBase);
-		exit(1);
-	}
-	char* createTableCmd = "CREATE TABLE results (size int, algorithm varchar, totalTime float, gpuTime float, uid int);";
-	sqlite3_exec(mDataBase, createTableCmd, 0, 0, &mSqlError);
-#endif
-}
-void SortingBenchmark::runBenchmark(int size, int numSeq, int repeat, int uid)
-{
-	float* data = new float[size];
-	float* dataCopy = new float[size];
-	unsigned int* dataIntCopy = new unsigned int[size];
-	warmUp();
-	for (int i = 0; i < numSeq; i++)
-	{
-		fillRandomly(data, size);
-		for (int alg = 0; alg < ALGORITHMS_COUNT; alg++)
-		{
-			for (int k = 0; k < repeat; k++)
-			{
-				double gpuTime, totalTime;
-				memcpy(dataCopy, data, sizeof(float) * size);
-				memcpy(dataIntCopy, data, sizeof(float) * size);
-				sort(dataCopy, dataIntCopy, size, &gpuTime, &totalTime, alg);
-				saveResult(gpuTime, totalTime, size, algNames[alg].c_str(), uid);
-			}
-		}
-	}
-	delete [] data;
-	delete [] dataCopy;
-	delete [] dataIntCopy;
-}
-void SortingBenchmark::warmUp()
-{
-  const int size = 65536;
-  int ddata[size];
-  size_t memSize = size * sizeof(int);
-  cudaMalloc((void**) &ddata, memSize);
-  cudaFree(ddata);
-}
-void SortingBenchmark::saveResult(double gpuTime, double totalTime, int size, const char* algorithm, int uid)
-{
-#ifdef SQLITE3
-	char command[2048];
-	sprintf(command,"insert into results values (%d,\"%s\",%f,%f,%d);\n",size, algorithm, totalTime, gpuTime, uid);
-	int rc = sqlite3_exec(mDataBase, command, 0, 0, &mSqlError);
-	// Exit if we failed to insert data.
-	if (rc!=SQLITE_OK)
-	{
-		fprintf(stderr, "SQL error: %s\n", mSqlError);
-		sqlite3_free(mSqlError);
-		sqlite3_close(mDataBase);
-		exit(1);
-	}
-#endif
-	if (mConsoleOutput)
-		printf("Size: %d Algorithm: %s Total time: %f Gpu time: %f\n", size, algorithm, totalTime, gpuTime);
-}
-void SortingBenchmark::sort(float* data, unsigned int* dataAsInt, int size, double* gpuTime, double* totalTime, int algorithm)
-{
-	struct timeval starttime, endtime;
-	gettimeofday(&starttime,0);
-	switch (algorithm)
-	{
-	case 0: break;
-	case 1: cudppRadixMergeSortf(data, size, gpuTime); break;
-	case 2: cudppRadixSortf(data, size, gpuTime); break;
-	case 3: hybridsort(data, size, gpuTime); break;
-	case 4: gpuqsort(dataAsInt, size, gpuTime); break;
-	}
-	gettimeofday(&endtime,0);
-	*totalTime = (endtime.tv_sec - starttime.tv_sec)*1000.0 + (endtime.tv_usec - starttime.tv_usec)/1000.0;
-}
-void SortingBenchmark::fillRandomly(float* data, int size)
-{
-	for (int i = 0; i < size; i++) data[i] = (float) rand();
-}

Oddbeat Devel

User Tools

Site Tools

Differences

Page Tools