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add time.perf_counter

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blueloveTH 2025-09-11 18:14:15 +08:00
parent 5657989e27
commit 8f6ab9f436
1 changed files with 25 additions and 20 deletions
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27
src/modules/time.c
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@ -5,24 +5,22 @@
#define NANOS_PER_SEC 1000000000 #define NANOS_PER_SEC 1000000000
#ifndef __circle__ #ifndef __circle__
int64_t time_ns() { int64_t time_ns() {
struct timespec tms; struct timespec tms;
#ifdef CLOCK_REALTIME #ifdef CLOCK_REALTIME
clock_gettime(CLOCK_REALTIME, &tms); clock_gettime(CLOCK_REALTIME, &tms);
#else #else
/* The C11 way */ /* The C11 way */
timespec_get(&tms, TIME_UTC); timespec_get(&tms, TIME_UTC);
#endif #endif
/* seconds, multiplied with 1 billion */ /* seconds, multiplied with 1 billion */
int64_t nanos = tms.tv_sec * (int64_t)NANOS_PER_SEC; int64_t nanos = tms.tv_sec * (int64_t)NANOS_PER_SEC;
/* Add full nanoseconds */ /* Add full nanoseconds */
nanos += tms.tv_nsec; nanos += tms.tv_nsec;
return nanos; return nanos;
} }
#else #else
int64_t time_ns() { int64_t time_ns() { return 0; }
return 0;
}
#endif #endif
static bool time_time(int argc, py_Ref argv) { static bool time_time(int argc, py_Ref argv) {
@ -39,15 +37,21 @@ static bool time_time_ns(int argc, py_Ref argv) {
return true; return true;
} }
static bool time_perf_counter(int argc, py_Ref argv) {
PY_CHECK_ARGC(0);
py_newfloat(py_retval(), (double)clock() / CLOCKS_PER_SEC);
return true;
}
static bool time_sleep(int argc, py_Ref argv) { static bool time_sleep(int argc, py_Ref argv) {
PY_CHECK_ARGC(1); PY_CHECK_ARGC(1);
py_f64 secs; py_f64 secs;
if(!py_castfloat(argv, &secs)) return false; if(!py_castfloat(argv, &secs)) return false;
int64_t start = time_ns(); clock_t start = clock();
const int64_t end = start + secs * 1000000000; const clock_t end = start + (clock_t)(secs * CLOCKS_PER_SEC);
while(true) { while(true) {
int64_t now = time_ns(); clock_t now = clock();
if(now >= end) break; if(now >= end) break;
} }
py_newnone(py_retval()); py_newnone(py_retval());
@ -101,6 +105,7 @@ void pk__add_module_time() {
py_bindfunc(mod, "time", time_time); py_bindfunc(mod, "time", time_time);
py_bindfunc(mod, "time_ns", time_time_ns); py_bindfunc(mod, "time_ns", time_time_ns);
py_bindfunc(mod, "perf_counter", time_perf_counter);
py_bindfunc(mod, "sleep", time_sleep); py_bindfunc(mod, "sleep", time_sleep);
py_bindfunc(mod, "localtime", time_localtime); py_bindfunc(mod, "localtime", time_localtime);
} }