blake2与md5算法速度对比测试 包括OpenMP并行加速优化

blake2s_vs_md5.c

/* Test case for blake2s blake2sp blake2sp_file vs md5 md5_parallel
 * Result: md5_parallel is fastest.
 * MD5_File() and MD5_File_Parallel(), see https://github.com/9468305/crsync/blob/master/extra/md5.h
*/
#include <stdint.h>
#include <string.h>
#include <stdio.h>
#include <time.h>
#include <sys/timeb.h>

#include "blake2.h"
#include "md5.h"

#define buflen 8*1024

int tests(const char *filename) {
    struct timeb start, end;
    ftime(&start);
    FILE *file = NULL;

    if ( (file = fopen(filename, "rb")) == NULL ) {
        return -1;
    }

    uint8_t *buf = malloc(buflen);
    uint8_t sum[BLAKE2S_OUTBYTES];
    blake2s_state S;
    blake2s_init( &S, BLAKE2S_OUTBYTES );
    size_t length = 0;
    while( 0 != (length = fread(buf, 1, buflen, file)) ) {
        blake2s_update( &S, ( const uint8_t * )buf, length );
    }
    blake2s_final( &S, sum, BLAKE2S_OUTBYTES );

    ftime(&end);
    double time = (1000.0 * difftime(end.time, start.time) + end.millitm - start.millitm) / 1000;
    printf("blake2s time = %f seconds\n", time);
    for(int i=0; i<BLAKE2S_OUTBYTES; i++)
        printf("%02x", sum[i]);
    printf("\n");
    free(buf);
    fclose(file);
    return 0;
}

int testsp(const char *filename) {
    struct timeb start, end;
    ftime(&start);
    FILE *file = NULL;

    if ( (file = fopen(filename, "rb")) == NULL ) {
        return -1;
    }

    uint8_t *buf = malloc(buflen);
    uint8_t sum[BLAKE2S_OUTBYTES];
    blake2sp_state S;
    blake2sp_init( &S, BLAKE2S_OUTBYTES );
    size_t length = 0;
    while( 0 != (length = fread(buf, 1, buflen, file)) ) {
        blake2sp_update( &S, ( const uint8_t * )buf, length );
    }
    blake2sp_final( &S, sum, BLAKE2S_OUTBYTES );

    ftime(&end);
    double time = (1000.0 * difftime(end.time, start.time) + end.millitm - start.millitm) / 1000;
    printf("blake2sp time = %f seconds\n", time);
    for(int i=0; i<BLAKE2S_OUTBYTES; i++)
        printf("%02x", sum[i]);
    printf("\n");
    free(buf);
    fclose(file);
    return 0;
}

void testblake2sp_file(const char *filename) {
    struct timeb start, end;
    ftime(&start);
    uint8_t sum[BLAKE2S_OUTBYTES];
    blake2sp_file(filename, sum, BLAKE2S_OUTBYTES);
    ftime(&end);
    double time = (1000.0 * difftime(end.time, start.time) + end.millitm - start.millitm) / 1000;
    printf("blake2sp_file time = %f seconds\n", time);
    for(int i=0; i<BLAKE2S_OUTBYTES; i++)
        printf("%02x", sum[i]);
    printf("\n");
}

void testMD5(const char *filename, int isParallel) {
    struct timeb start, end;
    ftime(&start);
    uint8_t sum[MD5_OUTBYTES];
    if(isParallel == 0)
        MD5_File(filename, sum);
    else
        MD5_File_Parallel(filename, sum);
    ftime(&end);
    double time = (1000.0 * difftime(end.time, start.time) + end.millitm - start.millitm) / 1000;
    if(isParallel == 0)
        printf("md5 time = %f seconds\n", time);
    else
        printf("md5p time = %f seconds\n", time);
    for (int j = 0; j < MD5_OUTBYTES; j++)
        printf("%02x", sum[j]);
    printf("\n");
}

int main( int argc, char **argv ) {
    const char *filename = "/sdcard/test.obb";
    tests(filename);
    //testsp(filename);
    testblake2sp_file(filename);
    testMD5(filename, 0);
    testMD5(filename, 1);
    return 0;
}