1 | // ================================================================ // |
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2 | // // |
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3 | // File : PerfMeter.h // |
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4 | // Purpose : // |
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5 | // // |
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6 | // Coded by Ralf Westram (coder@reallysoft.de) in February 2015 // |
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7 | // http://www.arb-home.de/ // |
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8 | // // |
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9 | // ================================================================ // |
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10 | |
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11 | #ifndef PERFMETER_H |
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12 | #define PERFMETER_H |
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13 | |
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14 | #ifndef _TIME_H |
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15 | #include <time.h> |
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16 | #endif |
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17 | #ifndef AP_SEQUENCE_HXX |
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18 | #include <AP_sequence.hxx> |
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19 | #endif |
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20 | #ifndef _GLIBCXX_STRING |
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21 | #include <string> |
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22 | #endif |
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23 | |
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24 | struct TimedCombines { |
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25 | clock_t ticks; |
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26 | long combines; |
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27 | |
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28 | TimedCombines() |
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29 | : ticks(clock()), |
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30 | combines(AP_sequence::combine_count()) |
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31 | {} |
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32 | }; |
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33 | |
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34 | class OptiPerfMeter { |
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35 | std::string what; |
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36 | TimedCombines start; |
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37 | AP_FLOAT start_pars; |
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38 | |
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39 | public: |
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40 | OptiPerfMeter(std::string what_, AP_FLOAT start_pars_) |
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41 | : what(what_), |
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42 | start_pars(start_pars_) |
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43 | {} |
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44 | |
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45 | void dumpCustom(FILE *out, AP_FLOAT end_pars, const char *label) const { |
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46 | TimedCombines end; |
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47 | |
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48 | ap_assert(end_pars<=start_pars); |
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49 | |
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50 | double seconds = double(end.ticks-start.ticks)/CLOCKS_PER_SEC; |
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51 | AP_FLOAT pars_improve = start_pars-end_pars; |
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52 | long combines = end.combines-start.combines; |
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53 | |
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54 | double combines_per_second = combines/seconds; |
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55 | double combines_per_improve = combines/pars_improve; |
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56 | double improve_per_second = pars_improve/seconds; |
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57 | |
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58 | fprintf(out, "%-27s took %7.2f sec, improve=%9.1f, combines=%12li (comb/sec=%10.2f, comb/impr=%12.2f, impr/sec=%10.2f)\n", |
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59 | label, |
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60 | seconds, |
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61 | pars_improve, |
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62 | combines, |
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63 | combines_per_second, |
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64 | combines_per_improve, |
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65 | improve_per_second); |
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66 | } |
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67 | |
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68 | void dump(FILE *out, AP_FLOAT end_pars) const { |
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69 | dumpCustom(out, end_pars, what.c_str()); |
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70 | } |
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71 | }; |
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72 | |
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73 | class InsertPerfMeter { |
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74 | std::string what; |
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75 | TimedCombines start; |
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76 | int inserts; |
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77 | |
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78 | public: |
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79 | InsertPerfMeter(std::string what_, int inserts_) |
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80 | : what(what_), |
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81 | inserts(inserts_) |
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82 | {} |
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83 | |
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84 | void dumpCustom(FILE *out, const char *label) const { |
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85 | TimedCombines end; |
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86 | |
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87 | double seconds = double(end.ticks-start.ticks)/CLOCKS_PER_SEC; |
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88 | long combines = end.combines-start.combines; |
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89 | |
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90 | double combines_per_second = combines/seconds; |
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91 | double combines_per_insert = combines/double(inserts); |
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92 | double inserts_per_second = inserts/seconds; |
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93 | |
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94 | fprintf(out, "%-27s took %7.2f sec, inserts=%6i, combines=%12li (comb/sec=%10.2f, comb/ins=%12.2f, ins/sec=%10.2f)\n", |
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95 | label, |
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96 | seconds, |
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97 | inserts, |
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98 | combines, |
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99 | combines_per_second, |
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100 | combines_per_insert, |
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101 | inserts_per_second); |
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102 | } |
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103 | |
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104 | void dump(FILE *out) const { |
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105 | dumpCustom(out, what.c_str()); |
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106 | } |
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107 | }; |
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108 | |
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109 | #else |
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110 | #error PerfMeter.h included twice |
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111 | #endif // PERFMETER_H |
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