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Add support for wasm32-wasi compilation #286

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Merged
RyanGlScott merged 1 commit into from
Feb 6, 2026
+16 −0
Merged

Add support for wasm32-wasi compilation #286

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12 changes: 12 additions & 0 deletions criterion-measurement/cbits/cycles.c
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Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,18 @@ criterion_rdtsc (void)
return result;
}

#elif wasm32_HOST_ARCH

#include <time.h>

StgWord64 criterion_rdtsc(void)
{
struct timespec ts;
StgWord64 result_stg = 0;
clock_gettime(CLOCK_REALTIME, &ts);
result_stg = ts.tv_sec * 1000000000LL + ts.tv_nsec;
return result_stg;
}
#else

#error Unsupported OS/architecture/compiler!
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4 changes: 4 additions & 0 deletions criterion-measurement/cbits/time-posix.c
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Expand Up @@ -18,7 +18,11 @@ double criterion_getcputime(void)
{
struct timespec ts;

#ifndef __wasi__
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts);
#else
clock_gettime(CLOCK_REALTIME, &ts);
#endif

return ts.tv_sec + ts.tv_nsec * 1e-9;
}
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