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removed clock_gettime (not portable)

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inikep
2016-03-30 09:55:37 +02:00
parent 4611d11fea
commit 33ad251236
2 changed files with 2 additions and 37 deletions
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programs/bench.c
-34
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@@ -70,43 +70,20 @@
# define setHighPriority() /* disabled */
#endif
/*
Windows QueryPerformanceCounter resolution = 410 nanosec
Windows clock() resolution = 1000000 nanosec
VirtualBox Ubuntu clock() resolution = 1000 nanosec
VirtualBox Ubuntu clock_gettime() resolution = 100-280 nanosec
fizzle clock() resolution = 1000 nanosec
fizzle clock_gettime() resolution = 100-280 nanosec
*/
#if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__)))
#if 0
typedef clock_t BMK_time_t;
# define BMK_TIME_FUNCTION "clock()"
# define BMK_initTimer(ticksPerSecond) (void)ticksPerSecond
# define BMK_getTime(x) x = clock()
# define BMK_getSpanTimeMicro(ticksPerSecond, clockStart, clockEnd) (1000000ULL * (clockEnd - clockStart) / CLOCKS_PER_SEC)
# define BMK_getSpanTimeNano(ticksPerSecond, clockStart, clockEnd) (1000000000ULL * (clockEnd - clockStart) / CLOCKS_PER_SEC)
#else
typedef struct timespec BMK_time_t;
# define BMK_TIME_FUNCTION "clock_gettime"
# define BMK_initTimer(ticksPerSecond) (void)ticksPerSecond
# define BMK_getTime(x) if (clock_gettime(CLOCK_MONOTONIC, &x) == -1 ){ fprintf(stderr, "ERROR: clock_gettime error\n"); }
# define BMK_getSpanTimeMicro(ticksPerSecond, clockStart, clockEnd) (1000000ULL*( clockEnd.tv_sec - clockStart.tv_sec ) + ( clockEnd.tv_nsec - clockStart.tv_nsec ) / 1000)
# define BMK_getSpanTimeNano(ticksPerSecond, clockStart, clockEnd) (1000000000ULL*( clockEnd.tv_sec - clockStart.tv_sec ) + ( clockEnd.tv_nsec - clockStart.tv_nsec ))
#endif
#elif defined(_WIN32)
typedef LARGE_INTEGER BMK_time_t;
# define BMK_TIME_FUNCTION "QueryPerformanceFrequency"
# define BMK_initTimer(x) if (!QueryPerformanceFrequency(&x)) { fprintf(stderr, "ERROR: QueryPerformance not present\n"); }
# define BMK_getTime(x) QueryPerformanceCounter(&x)
# define BMK_getSpanTimeMicro(ticksPerSecond, clockStart, clockEnd) (1000000ULL*(clockEnd.QuadPart - clockStart.QuadPart)/ticksPerSecond.QuadPart)
# define BMK_getSpanTimeNano(ticksPerSecond, clockStart, clockEnd) (1000000000ULL*(clockEnd.QuadPart - clockStart.QuadPart)/ticksPerSecond.QuadPart)
#else
typedef int BMK_time_t;
# define BMK_TIME_FUNCTION "None"
# define BMK_initTimer(ticksPerSecond) (void)ticksPerSecond
# define BMK_getTimeMicro(clockStart) clockStart=1
# define BMK_getSpanTimeMicro(ticksPerSecond, clockStart, clockEnd) (TIMELOOP_S*1000000ULL+clockEnd-clockStart)
@@ -284,17 +261,6 @@ static int BMK_benchMem(const void* srcBuffer, size_t srcSize,
if (strlen(displayName)>17) displayName += strlen(displayName)-17; /* can only display 17 characters */
BMK_initTimer(ticksPerSecond);
{
BMK_time_t clockStart, clockEnd;
BMK_getTime(clockStart);
do { BMK_getTime(clockEnd); }
while (BMK_getSpanTimeNano(ticksPerSecond, clockStart, clockEnd) == 0);
printf(BMK_TIME_FUNCTION " resolution = %d nanosec\n", (int)BMK_getSpanTimeNano(ticksPerSecond, clockStart, clockEnd));
}
/* Init blockTable data */
{ const char* srcPtr = (const char*)srcBuffer;
char* cPtr = (char*)compressedBuffer;