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/**
* @file main.cpp
* @brief Stream compaction test program
* @authors Kai Ninomiya
* @date 2015
* @copyright University of Pennsylvania
*/
#include <cstdio>
#include <stream_compaction/cpu.h>
#include <stream_compaction/naive.h>
#include <stream_compaction/efficient.h>
#include <stream_compaction/thrust.h>
#include <stream_compaction/radixsort.h>
#include "testing_helpers.hpp"
const int SIZE = 1 << 28; // feel free to change the size of array
const int NPOT = SIZE - 3; // Non-Power-Of-Two
int *a = new int[SIZE];
int *b = new int[SIZE];
int *c = new int[SIZE];
int main(int argc, char* argv[]) {
// Scan tests
printf("\n");
printf("****************\n");
printf("** SCAN TESTS **\n");
printf("****************\n");
genArray(SIZE - 1, a, 50); // Leave a 0 at the end to test that edge case
a[SIZE - 1] = 0;
printArray(SIZE, a, true);
// initialize b using StreamCompaction::CPU::scan you implement
// We use b for further comparison. Make sure your StreamCompaction::CPU::scan is correct.
// At first all cases passed because b && c are all zeroes.
zeroArray(SIZE, b);
printDesc("cpu scan, power-of-two");
StreamCompaction::CPU::scan(SIZE, b, a);
printElapsedTime(StreamCompaction::CPU::timer().getCpuElapsedTimeForPreviousOperation(), "(std::chrono Measured)");
printArray(SIZE, b, true);
zeroArray(SIZE, c);
printDesc("cpu scan, non-power-of-two");
StreamCompaction::CPU::scan(NPOT, c, a);
printElapsedTime(StreamCompaction::CPU::timer().getCpuElapsedTimeForPreviousOperation(), "(std::chrono Measured)");
printArray(NPOT, b, true);
printCmpResult(NPOT, b, c);
zeroArray(SIZE, c);
printDesc("naive scan, power-of-two");
StreamCompaction::Naive::scan(SIZE, c, a);
printElapsedTime(StreamCompaction::Naive::timer().getGpuElapsedTimeForPreviousOperation(), "(CUDA Measured)");
//printArray(SIZE, c, true);
printCmpResult(SIZE, b, c);
/* For bug-finding only: Array of 1s to help find bugs in stream compaction or scan
onesArray(SIZE, c);
printDesc("1s array for finding bugs");
StreamCompaction::Naive::scan(SIZE, c, a);
printArray(SIZE, c, true); */
zeroArray(SIZE, c);
printDesc("naive scan, non-power-of-two");
StreamCompaction::Naive::scan(NPOT, c, a);
printElapsedTime(StreamCompaction::Naive::timer().getGpuElapsedTimeForPreviousOperation(), "(CUDA Measured)");
//printArray(SIZE, c, true);
printCmpResult(NPOT, b, c);
zeroArray(SIZE, c);
printDesc("work-efficient scan, power-of-two");
StreamCompaction::Efficient::scan(SIZE, c, a);
printElapsedTime(StreamCompaction::Efficient::timer().getGpuElapsedTimeForPreviousOperation(), "(CUDA Measured)");
//printArray(SIZE, c, true);
printCmpResult(SIZE, b, c);
zeroArray(SIZE, c);
printDesc("work-efficient scan, non-power-of-two");
StreamCompaction::Efficient::scan(NPOT, c, a);
printElapsedTime(StreamCompaction::Efficient::timer().getGpuElapsedTimeForPreviousOperation(), "(CUDA Measured)");
//printArray(NPOT, c, true);
printCmpResult(NPOT, b, c);
zeroArray(SIZE, c);
printDesc("thrust scan, power-of-two");
StreamCompaction::Thrust::scan(SIZE, c, a);
printElapsedTime(StreamCompaction::Thrust::timer().getGpuElapsedTimeForPreviousOperation(), "(CUDA Measured)");
//printArray(SIZE, c, true);
printCmpResult(SIZE, b, c);
zeroArray(SIZE, c);
printDesc("thrust scan, non-power-of-two");
StreamCompaction::Thrust::scan(NPOT, c, a);
printElapsedTime(StreamCompaction::Thrust::timer().getGpuElapsedTimeForPreviousOperation(), "(CUDA Measured)");
//printArray(NPOT, c, true);
printCmpResult(NPOT, b, c);
zeroArray(SIZE, c);
printDesc("work-efficient scan with shared memory, power-of-two");
StreamCompaction::Efficient::scanShared(SIZE, c, a);
printElapsedTime(StreamCompaction::Efficient::timer().getGpuElapsedTimeForPreviousOperation(), "(CUDA Measured)");
//printArray(SIZE, c, true);
printCmpResult(SIZE, b, c);
zeroArray(SIZE, c);
printDesc("work-efficient scan with shared memory, non-power-of-two");
StreamCompaction::Efficient::scanShared(NPOT, c, a);
printElapsedTime(StreamCompaction::Efficient::timer().getGpuElapsedTimeForPreviousOperation(), "(CUDA Measured)");
//printArray(NPOT, c, true);
printCmpResult(NPOT, b, c);
printf("\n");
printf("*****************************\n");
printf("** STREAM COMPACTION TESTS **\n");
printf("*****************************\n");
// Compaction tests
genArray(SIZE - 1, a, 4); // Leave a 0 at the end to test that edge case
a[SIZE - 1] = 0;
printArray(SIZE, a, true);
int count, expectedCount, expectedNPOT;
// initialize b using StreamCompaction::CPU::compactWithoutScan you implement
// We use b for further comparison. Make sure your StreamCompaction::CPU::compactWithoutScan is correct.
zeroArray(SIZE, b);
printDesc("cpu compact without scan, power-of-two");
count = StreamCompaction::CPU::compactWithoutScan(SIZE, b, a);
printElapsedTime(StreamCompaction::CPU::timer().getCpuElapsedTimeForPreviousOperation(), "(std::chrono Measured)");
expectedCount = count;
printArray(count, b, true);
printCmpLenResult(count, expectedCount, b, b);
zeroArray(SIZE, c);
printDesc("cpu compact without scan, non-power-of-two");
count = StreamCompaction::CPU::compactWithoutScan(NPOT, c, a);
printElapsedTime(StreamCompaction::CPU::timer().getCpuElapsedTimeForPreviousOperation(), "(std::chrono Measured)");
expectedNPOT = count;
printArray(count, c, true);
printCmpLenResult(count, expectedNPOT, b, c);
zeroArray(SIZE, c);
printDesc("cpu compact with scan");
count = StreamCompaction::CPU::compactWithScan(SIZE, c, a);
printElapsedTime(StreamCompaction::CPU::timer().getCpuElapsedTimeForPreviousOperation(), "(std::chrono Measured)");
printArray(count, c, true);
printCmpLenResult(count, expectedCount, b, c);
zeroArray(SIZE, c);
printDesc("work-efficient compact, power-of-two");
count = StreamCompaction::Efficient::compact(SIZE, c, a);
printElapsedTime(StreamCompaction::Efficient::timer().getGpuElapsedTimeForPreviousOperation(), "(CUDA Measured)");
//printArray(count, c, true);
printCmpLenResult(count, expectedCount, b, c);
zeroArray(SIZE, c);
printDesc("work-efficient compact, non-power-of-two");
count = StreamCompaction::Efficient::compact(NPOT, c, a);
printElapsedTime(StreamCompaction::Efficient::timer().getGpuElapsedTimeForPreviousOperation(), "(CUDA Measured)");
//printArray(count, c, true);
printCmpLenResult(count, expectedNPOT, b, c);
printf("\n");
printf("**********************\n");
printf("** RADIX SORT TESTS **\n");
printf("**********************\n");
genArray(SIZE - 1, a, 50);
printArray(SIZE, a, true);
zeroArray(SIZE, b);
printDesc("cpu sort, power-of-two");
StreamCompaction::CPU::sort(SIZE, b, a);
printElapsedTime(StreamCompaction::CPU::timer().getCpuElapsedTimeForPreviousOperation(), "(std::chrono)");
//printArray(SIZE, b, true);
printCmpResult(SIZE, b, b);
zeroArray(SIZE, c);
printDesc("radix sort, power-of-two");
StreamCompaction::RadixSort::sort(SIZE, c, a);
printElapsedTime(StreamCompaction::RadixSort::timer().getGpuElapsedTimeForPreviousOperation(), "(CUDA Measured)");
//printArray(SIZE, c, true);
printCmpResult(SIZE, b, c);
zeroArray(NPOT, b);
printDesc("cpu sort, non-power-of-two");
StreamCompaction::CPU::sort(NPOT, b, a);
printElapsedTime(StreamCompaction::CPU::timer().getCpuElapsedTimeForPreviousOperation(), "(std::chrono)");
printArray(NPOT, b, true);
printCmpResult(NPOT, b, b);
zeroArray(NPOT, c);
printDesc("radix sort, non-power-of-two");
StreamCompaction::RadixSort::sort(NPOT, c, a);
printElapsedTime(StreamCompaction::RadixSort::timer().getGpuElapsedTimeForPreviousOperation(), "(CUDA Measured)");
printArray(NPOT, c, true);
printCmpResult(NPOT, b, c);
system("pause"); // stop Win32 console from closing on exit
delete[] a;
delete[] b;
delete[] c;
}