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Win timing test PR #1

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Win timing test PR #1

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acf1e18
remove second ifdefs for windows timing by introducing ported version…
tairov Jul 27, 2023
3435726
minor whitespaces cleanup
tairov Jul 27, 2023
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6 changes: 0 additions & 6 deletions run.c
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Original file line number Diff line number Diff line change
Expand Up @@ -365,15 +365,9 @@ int argmax(float* v, int n) {
// ----------------------------------------------------------------------------

long time_in_ms() {
#if defined _WIN32
// windows specific way to get time
return GetTickCount();
#else
// linux specific way to get time
struct timespec time;
clock_gettime(CLOCK_REALTIME, &time);
return time.tv_sec * 1000 + time.tv_nsec / 1000000;
#endif
}

int main(int argc, char *argv[]) {
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8 changes: 8 additions & 0 deletions win.c
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Expand Up @@ -176,3 +176,11 @@ int munlock(const void *addr, size_t len)

return -1;
}

// Portable clock_gettime function for Windows
int clock_gettime(int clk_id, struct timespec *tp) {
DWORD ticks = GetTickCount();
tp->tv_sec = ticks / 1000;
tp->tv_nsec = (ticks % 1000) * 1000000;
return 0;
}
11 changes: 8 additions & 3 deletions win.h
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Expand Up @@ -3,6 +3,7 @@

#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
#include <windows.h>
#include <time.h>


// Below code is originally from mman-win32
Expand All @@ -12,9 +13,9 @@
* mman-win32
*/

#ifndef _WIN32_WINNT // Allow use of features specific to Windows XP or later.
#define _WIN32_WINNT 0x0501 // Change this to the appropriate value to target other versions of Windows.
#endif
#ifndef _WIN32_WINNT // Allow use of features specific to Windows XP or later.
#define _WIN32_WINNT 0x0501 // Change this to the appropriate value to target other versions of Windows.
#endif

/* All the headers include this file. */
#ifndef _MSC_VER
Expand Down Expand Up @@ -47,12 +48,16 @@ extern "C" {
#define MS_SYNC 2
#define MS_INVALIDATE 4

/* Flags for portable clock_gettime call. */
#define CLOCK_REALTIME 0

void* mmap(void *addr, size_t len, int prot, int flags, int fildes, off_t off);
int munmap(void *addr, size_t len);
int mprotect(void *addr, size_t len, int prot);
int msync(void *addr, size_t len, int flags);
int mlock(const void *addr, size_t len);
int munlock(const void *addr, size_t len);
int clock_gettime(int clk_id, struct timespec *tp);

#ifdef __cplusplus
};
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