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/* Copyright 2021-2023 Joshua Bakita
* Header for miscellaneous experimental helper functions.
*/
#define SAFE(x) \
if ((err = (cudaError_t)(x)) != 0) { \
printf("CUDA error %d! %s\n", err, cudaGetErrorString(err)); \
printf("Suspect line: %s\n", #x); \
exit(1); \
}
#define s2ns(s) ((s)*1000l*1000l*1000l)
#define ns2ms(s) ((s)/(1000l*1000l))
// Return the difference between two timestamps in nanoseconds
#define timediff(start, end) ((s2ns((end).tv_sec) + (end).tv_nsec) - (s2ns((start).tv_sec) + (start).tv_nsec))
#define time2ns(time) (s2ns((time).tv_sec) + (time).tv_nsec)
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