[cf97ccb] | 1 | #include <fstream> |
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[bd951f7] | 2 | #include <monitor> |
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[cf97ccb] | 3 | #include <stdlib> |
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[29f44a74] | 4 | #include <thread> |
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[cf97ccb] | 5 | |
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[8cb6fcd] | 6 | #include "bench.h" |
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[cf97ccb] | 7 | |
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[b510ac2] | 8 | coroutine GreatSuspender {}; |
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[cf97ccb] | 9 | |
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| 10 | void ?{}( GreatSuspender * this ) { |
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| 11 | prime(this); |
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| 12 | } |
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| 13 | |
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| 14 | void main( GreatSuspender * this ) |
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| 15 | { |
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| 16 | while( true ) { |
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| 17 | suspend(); |
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| 18 | } |
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| 19 | } |
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| 20 | |
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| 21 | void resumer( GreatSuspender * this, const unsigned int NoOfTimes ) { |
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| 22 | for ( volatile unsigned int i = 0; i < NoOfTimes; i += 1 ) { |
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| 23 | resume( this ); |
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| 24 | } |
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| 25 | } |
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| 26 | |
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| 27 | #ifndef N |
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| 28 | #define N 100000000 |
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| 29 | #endif |
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| 30 | |
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[bd951f7] | 31 | //----------------------------------------------------------------------------- |
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| 32 | // coroutine context switch |
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[cf97ccb] | 33 | long long int measure_coroutine() { |
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| 34 | const unsigned int NoOfTimes = N; |
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| 35 | long long int StartTime, EndTime; |
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| 36 | |
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| 37 | GreatSuspender s; |
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| 38 | |
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| 39 | StartTime = Time(); |
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| 40 | resumer( &s, NoOfTimes ); |
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| 41 | EndTime = Time(); |
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| 42 | |
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| 43 | return ( EndTime - StartTime ) / NoOfTimes; |
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| 44 | } |
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| 45 | |
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[bd951f7] | 46 | //----------------------------------------------------------------------------- |
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| 47 | // thread context switch |
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[cf97ccb] | 48 | long long int measure_thread() { |
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| 49 | const unsigned int NoOfTimes = N; |
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| 50 | long long int StartTime, EndTime; |
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| 51 | |
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| 52 | StartTime = Time(); |
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| 53 | for ( volatile unsigned int i = 0; i < NoOfTimes; i += 1 ) { |
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| 54 | yield(); |
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| 55 | } |
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| 56 | EndTime = Time(); |
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| 57 | |
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| 58 | return ( EndTime - StartTime ) / NoOfTimes; |
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| 59 | } |
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| 60 | |
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[bd951f7] | 61 | //----------------------------------------------------------------------------- |
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| 62 | // single monitor entry |
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| 63 | monitor mon_t {}; |
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| 64 | void dummy( mon_t * mutex m ) {} |
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| 65 | |
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| 66 | long long int measure_1_monitor_entry() { |
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| 67 | const unsigned int NoOfTimes = N; |
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| 68 | long long int StartTime, EndTime; |
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| 69 | mon_t mon; |
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| 70 | |
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| 71 | StartTime = Time(); |
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| 72 | for ( volatile unsigned int i = 0; i < NoOfTimes; i += 1 ) { |
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| 73 | dummy( &mon ); |
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| 74 | } |
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| 75 | EndTime = Time(); |
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| 76 | |
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| 77 | return ( EndTime - StartTime ) / NoOfTimes; |
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| 78 | } |
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| 79 | |
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| 80 | //----------------------------------------------------------------------------- |
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| 81 | // multi monitor entry |
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| 82 | void dummy( mon_t * mutex m1, mon_t * mutex m2 ) {} |
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| 83 | |
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| 84 | long long int measure_2_monitor_entry() { |
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| 85 | const unsigned int NoOfTimes = N; |
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| 86 | long long int StartTime, EndTime; |
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| 87 | mon_t mon1, mon2; |
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| 88 | |
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| 89 | StartTime = Time(); |
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| 90 | for ( volatile unsigned int i = 0; i < NoOfTimes; i += 1 ) { |
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| 91 | dummy( &mon1, &mon2 ); |
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| 92 | } |
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| 93 | EndTime = Time(); |
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| 94 | |
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| 95 | return ( EndTime - StartTime ) / NoOfTimes; |
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| 96 | } |
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| 97 | |
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[43426d4] | 98 | //----------------------------------------------------------------------------- |
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| 99 | // single internal sched entry |
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| 100 | mon_t mon1; |
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| 101 | |
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| 102 | condition cond1a; |
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| 103 | condition cond1b; |
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| 104 | |
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| 105 | thread thrd1a { long long int * out; }; |
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| 106 | thread thrd1b {}; |
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| 107 | |
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| 108 | void ?{}( thrd1a * this, long long int * out ) { |
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| 109 | this->out = out; |
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| 110 | } |
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| 111 | |
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| 112 | void side1A( mon_t * mutex a, long long int * out ) { |
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| 113 | long long int StartTime, EndTime; |
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| 114 | |
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| 115 | StartTime = Time(); |
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| 116 | for( int i = 0;; i++ ) { |
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| 117 | signal(&cond1a); |
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| 118 | if( i > N ) break; |
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| 119 | wait(&cond1b); |
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| 120 | } |
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| 121 | EndTime = Time(); |
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| 122 | |
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| 123 | *out = ( EndTime - StartTime ) / N; |
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| 124 | } |
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| 125 | |
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| 126 | void side1B( mon_t * mutex a ) { |
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| 127 | for( int i = 0;; i++ ) { |
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| 128 | signal(&cond1b); |
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| 129 | if( i > N ) break; |
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| 130 | wait(&cond1a); |
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| 131 | } |
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| 132 | } |
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| 133 | |
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| 134 | void main( thrd1a * this ) { side1A( &mon1, this->out ); } |
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| 135 | void main( thrd1b * this ) { side1B( &mon1 ); } |
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| 136 | |
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| 137 | long long int measure_1_sched_int() { |
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| 138 | long long int t; |
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| 139 | { |
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| 140 | thrd1a a = { &t }; |
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| 141 | thrd1b b; |
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| 142 | } |
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| 143 | return t; |
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| 144 | } |
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| 145 | |
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| 146 | //----------------------------------------------------------------------------- |
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| 147 | // multi internal sched entry |
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| 148 | mon_t mon2; |
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| 149 | |
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| 150 | condition cond2a; |
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| 151 | condition cond2b; |
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| 152 | |
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| 153 | thread thrd2a { long long int * out; }; |
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| 154 | thread thrd2b {}; |
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| 155 | |
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| 156 | void ?{}( thrd2a * this, long long int * out ) { |
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| 157 | this->out = out; |
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| 158 | } |
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| 159 | |
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| 160 | void side2A( mon_t * mutex a, mon_t * mutex b, long long int * out ) { |
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| 161 | long long int StartTime, EndTime; |
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| 162 | |
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| 163 | StartTime = Time(); |
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| 164 | for( int i = 0;; i++ ) { |
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| 165 | signal(&cond2a); |
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| 166 | if( i > N ) break; |
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| 167 | wait(&cond2b); |
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| 168 | } |
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| 169 | EndTime = Time(); |
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| 170 | |
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| 171 | *out = ( EndTime - StartTime ) / N; |
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| 172 | } |
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| 173 | |
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| 174 | void side2B( mon_t * mutex a, mon_t * mutex b ) { |
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| 175 | for( int i = 0;; i++ ) { |
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| 176 | signal(&cond2b); |
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| 177 | if( i > N ) break; |
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| 178 | wait(&cond2a); |
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| 179 | } |
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| 180 | } |
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| 181 | |
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| 182 | void main( thrd2a * this ) { side2A( &mon1, &mon2, this->out ); } |
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| 183 | void main( thrd2b * this ) { side2B( &mon1, &mon2 ); } |
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| 184 | |
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| 185 | long long int measure_2_sched_int() { |
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| 186 | long long int t; |
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| 187 | { |
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| 188 | thrd2a a = { &t }; |
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| 189 | thrd2b b; |
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| 190 | } |
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| 191 | return t; |
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| 192 | } |
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| 193 | |
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| 194 | //----------------------------------------------------------------------------- |
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| 195 | // main loop |
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[cf97ccb] | 196 | int main() |
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| 197 | { |
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[bd951f7] | 198 | sout | time(NULL) | ','; |
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| 199 | sout | measure_coroutine() | ','; |
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| 200 | sout | measure_thread() | ','; |
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| 201 | sout | measure_1_monitor_entry() | ','; |
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[43426d4] | 202 | sout | measure_2_monitor_entry() | ','; |
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| 203 | sout | measure_1_sched_int() | ','; |
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| 204 | sout | measure_2_sched_int() | endl; |
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[cf97ccb] | 205 | } |
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