~mdw / mLib / blame
| Commit | Line | Data |
|---|---|---|
| 289651a7 MW |
1 | /* -*-c-*- |
| 2 | * | |
| 3 | * Demonstration of standalone benchmarking | |
| 4 | * | |
| 5 | * (c) 2024 Straylight/Edgeware | |
| 6 | */ | |
| 7 | ||
| 8 | /*----- Licensing notice --------------------------------------------------* | |
| 9 | * | |
| 10 | * This file is part of the mLib utilities library. | |
| 11 | * | |
| 12 | * mLib is free software: you can redistribute it and/or modify it under | |
| 13 | * the terms of the GNU Library General Public License as published by | |
| 14 | * the Free Software Foundation; either version 2 of the License, or (at | |
| 15 | * your option) any later version. | |
| 16 | * | |
| 17 | * mLib is distributed in the hope that it will be useful, but WITHOUT | |
| 18 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 19 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public | |
| 20 | * License for more details. | |
| 21 | * | |
| 22 | * You should have received a copy of the GNU Library General Public | |
| 23 | * License along with mLib. If not, write to the Free Software | |
| 24 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
| 25 | * USA. | |
| 26 | */ | |
| 27 | ||
| 28 | /*----- Header files ------------------------------------------------------*/ | |
| 29 | ||
| 30 | #include <stdio.h> | |
| 31 | #include <stdlib.h> | |
| 32 | ||
| 33 | #include "macros.h" | |
| 34 | #include "report.h" | |
| 35 | #include "tvec.h" | |
| 36 | #include "tvec-adhoc.h" | |
| 37 | #include "tvec-bench.h" | |
| 38 | #include "tvec-types.h" | |
| 39 | ||
| 40 | #include "example.h" | |
| 41 | ||
| 42 | /*----- Macro from the manpage --------------------------------------------*/ | |
| 43 | ||
| 44 | #define BENCHMARK_DECLS \ | |
| 45 | struct bench_timing _bmark_t; \ | |
| 46 | int _bmark_rc; \ | |
| 47 | BENCH_MEASURE_DECLS | |
| 48 | ||
| 49 | #define BENCHMARK_TAG(tag, b, unit, base) \ | |
| 50 | MC_BEFORE(tag##__benchmark_before, { fflush(stdout); }) \ | |
| 51 | MC_AFTER(tag##__benchmark_after, { \ | |
| 52 | if (_bmark_rc) \ | |
| 53 | printf(": FAILED\n"); \ | |
| 54 | else { \ | |
| 55 | fputs(": ", stdout); \ | |
| 56 | bench_report(&file_printops, stdout, (unit), &_bmark_t); \ | |
| 57 | putchar('\n'); \ | |
| 58 | } \ | |
| 59 | }) \ | |
| 60 | BENCH_MEASURE_TAG(tag##__benchmark_measure, \ | |
| 61 | (b), _bmark_rc, &_bmark_t, (base)) | |
| 62 | #define BENCHMARK(b, unit, base) BENCHMARK_TAG(bench, b, unit, base) | |
| 63 | ||
| 64 | /*----- Main code ---------------------------------------------------------*/ | |
| 65 | ||
| 66 | int main(void) | |
| 67 | { | |
| 68 | struct bench_state b; | |
| 69 | BENCHMARK_DECLS; | |
| 70 | ||
| 71 | if (bench_init(&b, 0)) | |
| 72 | { fprintf(stderr, "timer setup failed\n"); exit(2); } | |
| 73 | if (bench_calibrate(&b, 0)) | |
| 74 | { fprintf(stderr, "timer calibration failed\n"); exit(2); } | |
| 75 | ||
| 76 | printf("recfib, n = %u", RECFIBLIMIT); | |
| 77 | BENCHMARK(&b, BTU_OP, 1) | |
| 78 | while (_bench_n--) ADMIRE(recfib(RECFIBLIMIT)); | |
| 79 | ||
| 80 | printf("iterfib, n = %u", FIBLIMIT); | |
| 81 | BENCHMARK(&b, BTU_OP, 1) | |
| 82 | while (_bench_n--) ADMIRE(iterfib(FIBLIMIT)); | |
| 83 | ||
| 84 | printf("expfib, n = %u", FIBLIMIT); | |
| 85 | BENCHMARK(&b, BTU_OP, 1) | |
| 86 | while (_bench_n--) ADMIRE(expfib(FIBLIMIT)); | |
| 87 | ||
| 88 | return (0); | |
| 89 | } | |
| 90 | ||
| 91 | /*----- That's all, folks -------------------------------------------------*/ |