1 | /* emacs edit mode for this file is -*- C++ -*- */ |
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2 | |
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3 | /* It should be possible to include this file multiple times for different */ |
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4 | /* settings of TIMING */ |
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5 | |
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6 | #undef TIMING_START |
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7 | #undef TIMING_END |
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8 | #undef TIMING_END_AND_PRINT |
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9 | #undef TIMING_DEFINE_PRINT |
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10 | #undef TIMING_DEFINE_PRINTPROTO |
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11 | #undef TIMING_PRINT |
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12 | |
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13 | #ifdef TIMING |
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14 | #include <time.h> |
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15 | #if ! defined(WINNT) || defined(__GNUC__) |
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16 | #include <sys/times.h> |
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17 | #include <sys/param.h> |
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18 | #endif |
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19 | #ifndef NOSTREAMIO |
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20 | #ifdef HAVE_CSTDIO |
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21 | #include <cstdio> |
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22 | #else |
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23 | #include <stdio.h> |
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24 | #endif |
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25 | #endif |
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26 | |
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27 | // need to be adjusted on your machine: |
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28 | // the number of ticks per second: HZ |
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29 | #if ! defined (HZ) && defined (CLOCKS_PER_SEC) |
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30 | #define HZ CLOCKS_PER_SEC |
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31 | #endif |
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32 | #if ! defined (HZ) && defined (CLK_TCK) |
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33 | #define HZ CLK_TCK |
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34 | #endif |
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35 | #ifndef HZ |
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36 | #ifdef sun |
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37 | #define HZ 60.0 |
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38 | #else |
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39 | #define HZ 100.0 |
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40 | #endif |
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41 | #endif |
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42 | |
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43 | #if defined(WINNT) && ! defined(__GNUC__) |
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44 | |
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45 | #define TIMING_START(t) timing_ ## t ## _start = clock(); |
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46 | #define TIMING_END(t) timing_ ## t ## _end = clock(); \ |
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47 | timing_ ## t ## _time += timing_ ## t ## _end - timing_ ## t ## _start; |
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48 | #define TIMING_END_AND_PRINT(t, msg) times( &timing_ ## t ## _end ); \ |
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49 | fprintf( stderr, "%s%.2f sec\n", msg, \ |
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50 | float( timing_ ## t ## _end - timing_ ## t ## _start ) / HZ ); \ |
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51 | timing_ ## t ## _time += timing_ ## t ## _end - timing_ ## t ## _start; |
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52 | #define TIMING_DEFINE_PRINT(t) static clock_t timing_ ## t ## _start, timing_ ## t ## _end; \ |
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53 | static clock_t timing_ ## t ## _time; \ |
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54 | static void timing_print_ ## t ( char * msg ) { \ |
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55 | fprintf( stderr, "%s%.2f sec\n", msg, float(timing_ ## t ## _time) / HZ ); \ |
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56 | } \ |
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57 | static void timing_reset_ ## t () { \ |
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58 | timing_ ## t ## _time = 0; \ |
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59 | } |
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60 | |
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61 | #else /* ! WINNT */ |
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62 | |
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63 | #define TIMING_START(t) times( &timing_ ## t ## _start ); |
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64 | #define TIMING_END(t) times( &timing_ ## t ## _end ); \ |
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65 | timing_ ## t ## _time += timing_ ## t ## _end.tms_utime - timing_ ## t ## _start.tms_utime; |
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66 | #define TIMING_END_AND_PRINT(t, msg) times( &timing_ ## t ## _end ); \ |
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67 | fprintf( stderr, "%s%.2f sec\n", msg, \ |
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68 | float( timing_ ## t ## _end.tms_utime - timing_ ## t ## _start.tms_utime ) / HZ ); \ |
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69 | timing_ ## t ## _time += timing_ ## t ## _end.tms_utime - timing_ ## t ## _start.tms_utime; |
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70 | #define TIMING_DEFINE_PRINT(t) static struct tms timing_ ## t ## _start, timing_ ## t ## _end; \ |
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71 | static long timing_ ## t ## _time; \ |
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72 | static void timing_print_ ## t ( char * msg ) { \ |
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73 | fprintf( stderr, "%s%.2f sec\n", msg, float(timing_ ## t ## _time) / HZ ); \ |
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74 | } \ |
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75 | static void timing_reset_ ## t () { \ |
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76 | timing_ ## t ## _time = 0; \ |
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77 | } |
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78 | #endif /* ! WINNT */ |
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79 | |
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80 | /* macros common to all platforms */ |
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81 | #define TIMING_DEFINE_PRINTPROTO(t) void timing_print_ ## t ( char * ); \ |
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82 | void timing_reset_ ## t (); |
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83 | #define TIMING_PRINT(t, msg) timing_print_ ## t ( msg ); |
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84 | #define TIMING_RESET(t) timing_reset_ ## t (); |
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85 | |
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86 | #else /* TIMING */ |
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87 | #define TIMING_START(t) |
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88 | #define TIMING_END(t) |
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89 | #define TIMING_END_AND_PRINT(t, msg) |
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90 | #define TIMING_DEFINE_PRINT(t) |
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91 | #define TIMING_DEFINE_PRINTPROTO(t) |
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92 | #define TIMING_PRINT(t, msg) |
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93 | #define TIMING_RESET(t) |
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94 | #endif /* TIMING */ |
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