FEX-Emu/xxHash
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better, more comparable, bench at small keys

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This commit is contained in:
Yann Collet 2016-08-14 03:31:34 +02:00
parent 653221921a
commit e631a066f7
1 changed files with 4 additions and 6 deletions
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10
xxhsum.c
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@ -256,15 +256,13 @@ static void BMK_benchMem(const void* buffer, size_t bufferSize)
BMK_benchHash(localXXH32, "XXH32", buffer, bufferSize); BMK_benchHash(localXXH32, "XXH32", buffer, bufferSize);
/* Bench XXH32 on Unaligned input */ /* Bench XXH32 on Unaligned input */
if (bufferSize>1) BMK_benchHash(localXXH32, "XXH32 unaligned", ((const char*)buffer)+1, bufferSize);
BMK_benchHash(localXXH32, "XXH32 unaligned", ((const char*)buffer)+1, bufferSize-1);
/* Bench XXH64 */ /* Bench XXH64 */
BMK_benchHash(localXXH64, "XXH64", buffer, bufferSize); BMK_benchHash(localXXH64, "XXH64", buffer, bufferSize);
/* Bench XXH64 on Unaligned input */ /* Bench XXH64 on Unaligned input */
if (bufferSize>1) BMK_benchHash(localXXH64, "XXH64 unaligned", ((const char*)buffer)+3, bufferSize);
BMK_benchHash(localXXH64, "XXH64 unaligned", ((const char*)buffer)+1, bufferSize-1);
} }
@ -286,7 +284,7 @@ static int BMK_benchFiles(const char** fileNamesTable, int nbFiles)
const char* const inFileName = fileNamesTable[fileIdx]; const char* const inFileName = fileNamesTable[fileIdx];
FILE* const inFile = fopen( inFileName, "rb" ); FILE* const inFile = fopen( inFileName, "rb" );
size_t const benchedSize = BMK_selectBenchedSize(inFileName); size_t const benchedSize = BMK_selectBenchedSize(inFileName);
char* const buffer = (char*)malloc(benchedSize+16); char* const buffer = (char*)malloc(benchedSize+16+3);
void* const alignedBuffer = (buffer+15) - (((size_t)(buffer+15)) & 0xF); /* align on next 16 bytes boundaries */ void* const alignedBuffer = (buffer+15) - (((size_t)(buffer+15)) & 0xF); /* align on next 16 bytes boundaries */
/* Checks */ /* Checks */
@ -325,7 +323,7 @@ static int BMK_benchFiles(const char** fileNamesTable, int nbFiles)
static int BMK_benchInternal(void) static int BMK_benchInternal(void)
{ {
size_t const benchedSize = g_sampleSize; size_t const benchedSize = g_sampleSize;
void* const buffer = malloc(benchedSize); void* const buffer = malloc(benchedSize+3);
if(!buffer) { if(!buffer) {
DISPLAY("\nError: not enough memory!\n"); DISPLAY("\nError: not enough memory!\n");
return 12; return 12;