source: src/benchmark/bench.h @ 399a908

aaron-thesisarm-ehcleanup-dtorsdeferred_resndemanglerjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerwith_gc
Last change on this file since 399a908 was 399a908, checked in by Thierry Delisle <tdelisle@…>, 4 years ago

Fixed benchmarks

  • Property mode set to 100644
File size: 973 bytes
Line 
1#pragma once
2
3#if defined(__cforall)
4extern "C" {
5#endif
6        #include <stdlib.h>
7        #include <unistd.h>                                     // sysconf
8#if defined(__cforall)
9}
10#include <time>
11#endif
12
13
14static inline unsigned long long int bench_time() {
15    struct timespec ts;
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
30#ifndef BENCH_N
31#define BENCH_N 500 //10000000
32#endif
33
34#define BENCH(statement, output)                \
35        size_t n = BENCH_N;                     \
36        if( argc > 2 ) return 1;                \
37        if( argc == 2 ) {                               \
38                n = atoi(argv[1]);              \
39        }                                               \
40        long long int StartTime, EndTime;       \
41        StartTime = bench_time();                       \
42        statement;                                      \
43        EndTime = bench_time();                         \
44        unsigned long long int output =         \
45        ( EndTime - StartTime ) / n;
46
47Duration default_preemption() {
48        return 0;
49}
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