mirror of
https://github.com/NVIDIA/cuda-samples.git
synced 2024-11-28 13:59:19 +08:00
133 lines
4.7 KiB
C++
133 lines
4.7 KiB
C++
/* Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* * Neither the name of NVIDIA CORPORATION nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
|
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <assert.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "mergeSort_common.h"
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// Validate sorted keys array (check for integrity and proper order)
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
extern "C" uint validateSortedKeys(uint *resKey, uint *srcKey, uint batchSize,
|
|
uint arrayLength, uint numValues,
|
|
uint sortDir) {
|
|
uint *srcHist;
|
|
uint *resHist;
|
|
|
|
if (arrayLength < 2) {
|
|
printf("validateSortedKeys(): arrays too short, exiting...\n");
|
|
return 1;
|
|
}
|
|
|
|
printf("...inspecting keys array: ");
|
|
srcHist = (uint *)malloc(numValues * sizeof(uint));
|
|
resHist = (uint *)malloc(numValues * sizeof(uint));
|
|
|
|
int flag = 1;
|
|
|
|
for (uint j = 0; j < batchSize;
|
|
j++, srcKey += arrayLength, resKey += arrayLength) {
|
|
// Build histograms for keys arrays
|
|
memset(srcHist, 0, numValues * sizeof(uint));
|
|
memset(resHist, 0, numValues * sizeof(uint));
|
|
|
|
for (uint i = 0; i < arrayLength; i++) {
|
|
if ((srcKey[i] < numValues) && (resKey[i] < numValues)) {
|
|
srcHist[srcKey[i]]++;
|
|
resHist[resKey[i]]++;
|
|
} else {
|
|
fprintf(
|
|
stderr,
|
|
"***Set %u source/result key arrays are not limited properly***\n",
|
|
j);
|
|
flag = 0;
|
|
goto brk;
|
|
}
|
|
}
|
|
|
|
// Compare the histograms
|
|
for (uint i = 0; i < numValues; i++)
|
|
if (srcHist[i] != resHist[i]) {
|
|
fprintf(stderr,
|
|
"***Set %u source/result keys histograms do not match***\n", j);
|
|
flag = 0;
|
|
goto brk;
|
|
}
|
|
|
|
// Finally check the ordering
|
|
for (uint i = 0; i < arrayLength - 1; i++)
|
|
if ((sortDir && (resKey[i] > resKey[i + 1])) ||
|
|
(!sortDir && (resKey[i] < resKey[i + 1]))) {
|
|
fprintf(stderr,
|
|
"***Set %u result key array is not ordered properly***\n", j);
|
|
flag = 0;
|
|
goto brk;
|
|
}
|
|
}
|
|
|
|
brk:
|
|
free(resHist);
|
|
free(srcHist);
|
|
|
|
if (flag) printf("OK\n");
|
|
|
|
return flag;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// Value validation / stability check routines
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
extern "C" void fillValues(uint *val, uint N) {
|
|
for (uint i = 0; i < N; i++) val[i] = i;
|
|
}
|
|
|
|
extern "C" int validateSortedValues(uint *resKey, uint *resVal, uint *srcKey,
|
|
uint batchSize, uint arrayLength) {
|
|
int correctFlag = 1, stableFlag = 1;
|
|
|
|
printf("...inspecting keys and values array: ");
|
|
|
|
for (uint i = 0; i < batchSize;
|
|
i++, resKey += arrayLength, resVal += arrayLength) {
|
|
for (uint j = 0; j < arrayLength; j++) {
|
|
if (resKey[j] != srcKey[resVal[j]]) correctFlag = 0;
|
|
|
|
if ((j < arrayLength - 1) && (resKey[j] == resKey[j + 1]) &&
|
|
(resVal[j] > resVal[j + 1]))
|
|
stableFlag = 0;
|
|
}
|
|
}
|
|
|
|
printf(correctFlag ? "OK\n" : "***corrupted!!!***\n");
|
|
printf(stableFlag ? "...stability property: stable!\n"
|
|
: "...stability property: NOT stable\n");
|
|
|
|
return correctFlag;
|
|
}
|