1 | // |
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2 | // Cforall Version 1.0.0 Copyright (C) 2019 University of Waterloo |
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3 | // |
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4 | // The contents of this file are covered under the licence agreement in the |
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5 | // file "LICENCE" distributed with Cforall. |
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6 | // |
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7 | // Heap.h -- |
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8 | // |
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9 | // Author : Thierry Delisle |
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10 | // Created On : Thu Feb 28 12::05:10 2019 |
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11 | // Last Modified By : |
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12 | // Last Modified On : |
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13 | // Update Count : |
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14 | // |
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15 | |
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16 | #pragma once |
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17 | |
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18 | #include <cstdint> |
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19 | #include <iostream> |
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20 | |
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21 | namespace Stats { |
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22 | namespace Counters { |
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23 | void print(); |
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24 | |
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25 | class BaseCounter { |
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26 | public: |
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27 | BaseCounter(const char * const name) : name(name) { |
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28 | top.append(this); |
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29 | } |
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30 | |
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31 | BaseCounter(const char * const name, BaseCounter * parent) : name(name) { |
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32 | parent->children.append(this); |
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33 | } |
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34 | protected: |
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35 | virtual ~BaseCounter() = default; |
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36 | |
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37 | struct list_t { |
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38 | BaseCounter * head = nullptr; |
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39 | BaseCounter * tail = nullptr; |
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40 | |
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41 | void append(BaseCounter * node) { |
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42 | if(!head) { head = node; } |
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43 | else { tail->next = node;} |
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44 | tail = node; |
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45 | } |
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46 | }; |
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47 | |
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48 | private: |
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49 | virtual void print(std::ostream &) = 0; |
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50 | template<typename T> |
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51 | friend void ForAllCounters(BaseCounter::list_t &, size_t, T ); |
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52 | friend void print(); |
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53 | |
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54 | private: |
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55 | const char * const name; |
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56 | |
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57 | BaseCounter * next = nullptr; |
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58 | list_t children; |
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59 | |
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60 | static list_t top; |
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61 | }; |
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62 | |
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63 | class CounterGroup : public BaseCounter { |
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64 | public: |
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65 | CounterGroup(const char * const name ) : BaseCounter(name) {} |
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66 | CounterGroup(const char * const name, BaseCounter * parent) : BaseCounter(name, parent) {} |
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67 | |
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68 | protected: |
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69 | virtual ~CounterGroup() = default; |
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70 | |
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71 | private: |
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72 | virtual void print(std::ostream & os) { |
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73 | os << ""; |
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74 | } |
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75 | template<typename T> |
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76 | friend void ForAllCounters(BaseCounter::list_t &, size_t, T ); |
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77 | friend void print(); |
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78 | }; |
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79 | |
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80 | class SimpleCounter : public BaseCounter { |
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81 | public: |
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82 | SimpleCounter(const char * const name ) : BaseCounter(name) {} |
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83 | SimpleCounter(const char * const name, BaseCounter * parent) : BaseCounter(name, parent) {} |
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84 | |
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85 | inline void operator++(int) { count++; } |
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86 | inline void operator+=(size_t value) { count += value; } |
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87 | protected: |
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88 | virtual ~SimpleCounter() = default; |
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89 | |
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90 | private: |
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91 | virtual void print(std::ostream & os) { |
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92 | os << count; |
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93 | } |
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94 | template<typename T> |
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95 | friend void ForAllCounters(BaseCounter::list_t &, size_t, T ); |
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96 | friend void print(); |
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97 | |
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98 | size_t count = 0; |
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99 | |
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100 | }; |
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101 | |
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102 | template<typename T> |
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103 | class AverageCounter : public BaseCounter { |
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104 | public: |
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105 | AverageCounter(const char * const name ) : BaseCounter(name), sum{} {} |
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106 | AverageCounter(const char * const name, BaseCounter * parent) : BaseCounter(name, parent), sum{} {} |
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107 | |
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108 | inline void push(T value) { |
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109 | sum += value; |
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110 | count++; |
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111 | } |
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112 | |
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113 | protected: |
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114 | virtual ~AverageCounter() = default; |
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115 | |
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116 | private: |
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117 | virtual void print(std::ostream & os) { |
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118 | os << sum / count; |
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119 | } |
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120 | template<typename F> |
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121 | friend void ForAllCounters(BaseCounter::list_t &, size_t, F ); |
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122 | friend void print(); |
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123 | |
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124 | T sum; |
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125 | size_t count = 1; |
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126 | }; |
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127 | } |
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128 | } |
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