source: src/benchmark/ThrdCtxSwitch.c @ b510ac2

aaron-thesisarm-ehcleanup-dtorsdeferred_resndemanglerjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerresolv-newwith_gc
Last change on this file since b510ac2 was 29f44a74, checked in by Thierry Delisle <tdelisle@…>, 5 years ago

Fixed benchmark after rename

  • Property mode set to 100644
File size: 797 bytes
Line 
1#include <fstream>
2#include <stdlib>
3#include <thread>
4
5#include <unistd.h>                                     // sysconf
6#include <sys/times.h>                                  // times
7#include <time.h>
8
9inline unsigned long long int Time() {
10    timespec ts;
11    clock_gettime(
12#if defined( __linux__ )
13         CLOCK_THREAD_CPUTIME_ID,
14#elif defined( __freebsd__ )
15         CLOCK_PROF,
16#elif defined( __solaris__ )
17         CLOCK_HIGHRES,
18#else
19    #error uC++ : internal error, unsupported architecture
20#endif
21         &ts );
22    return 1000000000LL * ts.tv_sec + ts.tv_nsec;
23} // Time
24 
25#ifndef N
26#define N 100000000
27#endif
28
29int main() {
30        const unsigned int NoOfTimes = N;
31        long long int StartTime, EndTime;
32
33        StartTime = Time();
34        for ( volatile unsigned int i = 0; i < NoOfTimes; i += 1 ) {
35                yield();
36        }
37        EndTime = Time();
38
39        sout | ( EndTime - StartTime ) / NoOfTimes | endl;
40}
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