1 | /* emacs edit mode for this file is -*- C++ -*- */ |
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2 | /* $Id: timing.h,v 1.3 1997-06-19 12:21:54 schmidt Exp $ */ |
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3 | |
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4 | /* It should be possible to include this file multiple times for different */ |
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5 | /* settings of TIMING */ |
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6 | |
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7 | #undef TIMING_START |
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8 | #undef TIMING_END |
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9 | #undef TIMING_END_AND_PRINT |
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10 | #undef TIMING_DEFINE_PRINT |
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11 | #undef TIMING_DEFINE_PRINTPROTO |
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12 | #undef TIMING_PRINT |
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13 | |
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14 | #ifdef TIMING |
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15 | #include <time.h> |
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16 | #include <sys/times.h> |
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17 | #include <sys/param.h> |
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18 | #include <stdio.h> |
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19 | |
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20 | // need to be adjusted on your machine: |
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21 | // the number of ticks per second: HZ |
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22 | #if ! defined (HZ) && defined (CLOCKS_PER_SEC) |
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23 | #define HZ CLOCKS_PER_SEC |
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24 | #endif |
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25 | #if ! defined (HZ) && defined (CLK_TCK) |
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26 | #define HZ CLK_TCK |
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27 | #endif |
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28 | #ifndef HZ |
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29 | #ifdef sun |
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30 | #define HZ 60.0 |
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31 | #else |
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32 | #define HZ 100.0 |
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33 | #endif |
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34 | #endif |
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35 | |
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36 | #define TIMING_START(t) { struct tms timing_ ## t ## _start, timing_ ## t ## _end; \ |
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37 | times( &timing_ ## t ## _start ); |
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38 | #define TIMING_END(t) times( &timing_ ## t ## _end ); \ |
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39 | timing_ ## t ## _time += timing_ ## t ## _end.tms_utime - timing_ ## t ## _start.tms_utime; } |
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40 | #define TIMING_END_AND_PRINT(t, msg) times( &timing_ ## t ## _end ); \ |
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41 | fprintf( stderr, "%s%.2f sec\n", msg, \ |
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42 | float( timing_ ## t ## _end.tms_utime - timing_ ## t ## _start.tms_utime ) / HZ ); \ |
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43 | timing_ ## t ## _time += timing_ ## t ## _end.tms_utime - timing_ ## t ## _start.tms_utime; } |
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44 | #define TIMING_DEFINE_PRINT(t) long timing_ ## t ## _time; \ |
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45 | void timing_print_ ## t ( char * msg ) { \ |
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46 | fprintf( stderr, "%s%.2f sec\n", msg, float(timing_ ## t ## _time) / HZ ); \ |
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47 | } |
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48 | #define TIMING_DEFINE_PRINTPROTO(t) void timing_print_ ## t ( char * ); |
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49 | #define TIMING_PRINT(t, msg) timing_print_ ## t ( msg ); |
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50 | #else /* TIMING */ |
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51 | #define TIMING_START(t) |
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52 | #define TIMING_END(t) |
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53 | #define TIMING_END_AND_PRINT(t, msg) |
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54 | #define TIMING_DEFINE_PRINT(t) |
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55 | #define TIMING_DEFINE_PRINTPROTO(t) |
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56 | #define TIMING_PRINT(t, msg) |
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57 | #endif /* TIMING */ |
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