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Add branch for Emscripten to clock #2069

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Add branch for Emscripten to clock #2069

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7 changes: 7 additions & 0 deletions VM/src/lperf.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,9 @@
#include <mach/mach_time.h>
#endif

#ifdef __EMSCRIPTEN__
#include <emscripten/emscripten.h>
#endif

#include <time.h>

Expand All @@ -32,6 +35,8 @@ static double clock_period()
return double(result.numer) / double(result.denom) * 1e-9;
#elif defined(__linux__) || defined(__FreeBSD__)
return 1e-9;
#elif defined(__EMSCRIPTEN__)
return 1e-3;
#else
return 1.0 / double(CLOCKS_PER_SEC);
#endif
Expand All @@ -49,6 +54,8 @@ static double clock_timestamp()
timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
return now.tv_sec * 1e9 + now.tv_nsec;
#elif defined(__EMSCRIPTEN__)
return emscripten_get_now();
#else
return double(clock());
#endif
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