ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsdeferred_resndemanglerenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumresolv-newwith_gc
Last change
on this file since 9643b31 was
9643b31,
checked in by Thierry Delisle <tdelisle@…>, 7 years ago
|
Adde benchmark for multi-monitor internal-scheduling
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-
Property mode set to
100644
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File size:
1.2 KB
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Rev | Line | |
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[9643b31] | 1 | #include <fstream> |
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| 2 | #include <stdlib> |
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| 3 | #include <thread> |
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| 4 | |
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| 5 | #include <unistd.h> // sysconf |
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| 6 | #include <sys/times.h> // times |
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| 7 | #include <time.h> |
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| 8 | |
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| 9 | inline unsigned long long int Time() { |
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| 10 | timespec ts; |
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| 11 | clock_gettime( |
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| 12 | #if defined( __linux__ ) |
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| 13 | CLOCK_THREAD_CPUTIME_ID, |
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| 14 | #elif defined( __freebsd__ ) |
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| 15 | CLOCK_PROF, |
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| 16 | #elif defined( __solaris__ ) |
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| 17 | CLOCK_HIGHRES, |
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| 18 | #else |
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| 19 | #error uC++ : internal error, unsupported architecture |
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| 20 | #endif |
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| 21 | &ts ); |
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| 22 | return 1000000000LL * ts.tv_sec + ts.tv_nsec; |
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| 23 | } // Time |
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| 24 | |
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| 25 | #ifndef N |
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| 26 | #define N 10000000 |
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| 27 | #endif |
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| 28 | |
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| 29 | condition condA; |
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| 30 | condition condB; |
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| 31 | |
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| 32 | monitor mon_t {}; |
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| 33 | |
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| 34 | mon_t mon1, mon2; |
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| 35 | |
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| 36 | thread thrdA {}; |
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| 37 | thread thrdB {}; |
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| 38 | |
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| 39 | void sideA( mon_t * mutex a, mon_t * mutex b ) { |
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| 40 | long long int StartTime, EndTime; |
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| 41 | |
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| 42 | StartTime = Time(); |
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| 43 | for( int i = 0;; i++ ) { |
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| 44 | signal(&condA); |
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| 45 | if( i > N ) break; |
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| 46 | wait(&condB); |
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| 47 | } |
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| 48 | EndTime = Time(); |
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| 49 | |
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| 50 | sout | ( EndTime - StartTime ) / N | endl; |
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| 51 | } |
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| 52 | |
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| 53 | void sideB( mon_t * mutex a, mon_t * mutex b ) { |
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| 54 | for( int i = 0;; i++ ) { |
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| 55 | signal(&condB); |
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| 56 | if( i > N ) break; |
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| 57 | wait(&condA); |
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| 58 | } |
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| 59 | } |
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| 60 | |
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| 61 | void main( thrdA * this ) { sideA( &mon1, &mon2 ); } |
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| 62 | void main( thrdB * this ) { sideB( &mon1, &mon2 ); } |
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| 63 | |
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| 64 | int main() { |
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| 65 | thrdA a; |
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| 66 | thrdB b; |
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| 67 | } |
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