source:
benchmark/bench.h
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97cba9f
Last change on this file since 97cba9f was 846c026, checked in by , 5 years ago | |
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File size: 988 bytes |
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[8cb6fcd] | 1 | #pragma once |
2 | ||
[0cf5b79] | 3 | #if defined(__cforall) |
[8cb6fcd] | 4 | extern "C" { |
[d67cdb7] | 5 | #endif |
[034165a] | 6 | #include <stdlib.h> |
[846c026] | 7 | #include <stdint.h> // uint64_t |
8 | #include <unistd.h> // sysconf | |
[9d32bc8] | 9 | #if ! defined(__cforall) |
10 | #include <time.h> | |
11 | #include <sys/time.h> | |
12 | #else | |
[8cb6fcd] | 13 | } |
[73abe95] | 14 | #include <time.hfa> |
[d67cdb7] | 15 | #endif |
[8cb6fcd] | 16 | |
[d8548e2] | 17 | |
[846c026] | 18 | static inline uint64_t bench_time() { |
19 | struct timespec ts; | |
20 | clock_gettime( CLOCK_THREAD_CPUTIME_ID, &ts ); | |
21 | return 1000000000LL * ts.tv_sec + ts.tv_nsec; | |
22 | } // bench_time | |
[8cb6fcd] | 23 | |
[034165a] | 24 | #ifndef BENCH_N |
[846c026] | 25 | #define BENCH_N 10000000 |
[7286a40] | 26 | #endif |
27 | ||
[846c026] | 28 | size_t times = BENCH_N; |
29 | ||
30 | #define BENCH_START() \ | |
31 | if ( argc > 2 ) exit( EXIT_FAILURE ); \ | |
32 | if ( argc == 2 ) { \ | |
33 | times = atoi( argv[1] ); \ | |
34 | } | |
35 | ||
[034165a] | 36 | #define BENCH(statement, output) \ |
[846c026] | 37 | uint64_t StartTime, EndTime; \ |
[9d32bc8] | 38 | StartTime = bench_time(); \ |
[846c026] | 39 | statement; \ |
[9d32bc8] | 40 | EndTime = bench_time(); \ |
[846c026] | 41 | double output = (double)( EndTime - StartTime ) / times; |
42 | ||
[034165a] | 43 | |
[9d32bc8] | 44 | #if defined(__cforall) |
[399a908] | 45 | Duration default_preemption() { |
[7286a40] | 46 | return 0; |
[8ad6533] | 47 | } |
[9d32bc8] | 48 | #endif |
[846c026] | 49 | #if defined(__U_CPLUSPLUS__) |
50 | unsigned int uDefaultPreemption() { | |
51 | return 0; | |
52 | } | |
53 | #endif |
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