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RTC+Win32 fix that preserves SORT correctness

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This commit is contained in:
Andrey Guskov
2015-01-26 15:23:14 +04:00
parent a6206398fc
commit 05a64f1302
1 changed files with 6 additions and 2 deletions
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8
examples/timing.h
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@@ -58,8 +58,6 @@ __inline__ uint64_t rdtsc() {
#ifdef WIN32 #ifdef WIN32
#include <windows.h> #include <windows.h>
// This is just a stub, it's not used on Windows.
double rtc() { return 0.0; };
#define rdtsc __rdtsc #define rdtsc __rdtsc
#else // WIN32 #else // WIN32
__inline__ uint64_t rdtsc() { __inline__ uint64_t rdtsc() {
@@ -97,7 +95,10 @@ static double tstart, tend;
static inline void reset_and_start_timer() static inline void reset_and_start_timer()
{ {
start = rdtsc(); start = rdtsc();
#ifndef WIN32
// Unused in Windows build, rtc() causing link errors
tstart = rtc(); tstart = rtc();
#endif
} }
/* Returns the number of millions of elapsed processor cycles since the /* Returns the number of millions of elapsed processor cycles since the
@@ -108,8 +109,11 @@ static inline double get_elapsed_mcycles()
return (end-start) / (1024. * 1024.); return (end-start) / (1024. * 1024.);
} }
#ifndef WIN32
// Unused in Windows build, rtc() causing link errors
static inline double get_elapsed_msec() static inline double get_elapsed_msec()
{ {
tend = rtc(); tend = rtc();
return (tend - tstart)*1e3; return (tend - tstart)*1e3;
} }
#endif