source: src/benchmark/bench.h @ b7170a64

aaron-thesisarm-ehcleanup-dtorsdeferred_resndemanglerenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationresolv-newwith_gc
Last change on this file since b7170a64 was b7170a64, checked in by Thierry Delisle <tdelisle@…>, 5 years ago

Updated the creation and ctxswitch benchmark to all be consistent and flexible

  • Property mode set to 100644
File size: 1001 bytes
RevLine 
[8cb6fcd]1#pragma once
2
[034165a]3#if defined(__CFORALL__)
[8cb6fcd]4extern "C" {
[d67cdb7]5#endif
[034165a]6        #include <stdlib.h>
[8cb6fcd]7        #include <unistd.h>                                     // sysconf
8        #include <sys/times.h>                                  // times
9        #include <time.h>
[034165a]10#if defined(__CFORALL__)
[8cb6fcd]11}
[d67cdb7]12#endif
[8cb6fcd]13
[d67cdb7]14static inline unsigned long long int Time() {
15    struct timespec ts;
[8cb6fcd]16    clock_gettime(
17#if defined( __linux__ )
18         CLOCK_THREAD_CPUTIME_ID,
19#elif defined( __freebsd__ )
20         CLOCK_PROF,
21#elif defined( __solaris__ )
22         CLOCK_HIGHRES,
23#else
24    #error uC++ : internal error, unsupported architecture
25#endif
26         &ts );
27    return 1000000000LL * ts.tv_sec + ts.tv_nsec;
28} // Time
29
[034165a]30#ifndef BENCH_N
31#define BENCH_N 500 //10000000
[7286a40]32#endif
33
[034165a]34#define BENCH(statement, output)                \
[b7170a64]35        size_t n = BENCH_N;                     \
36        if( argc > 2 ) return 1;                \
37        if( argc == 2 ) {                               \
38                n = atoi(argv[1]);              \
39        }                                               \
[034165a]40        long long int StartTime, EndTime;       \
[b7170a64]41        StartTime = Time();                     \
42        statement;                                      \
43        EndTime = Time();                               \
[034165a]44        unsigned long long int output =         \
[b7170a64]45        ( EndTime - StartTime ) / n;
[034165a]46
[7286a40]47unsigned int default_preemption() {
48        return 0;
49}
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