source: src/benchmark/SchedInt.c@ 9737ffe

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors deferred_resn demangler enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr new-env no_list persistent-indexer pthread-emulation qualifiedEnum resolv-new with_gc
Last change on this file since 9737ffe was 9643b31, checked in by Thierry Delisle <tdelisle@…>, 9 years ago

Adde benchmark for multi-monitor internal-scheduling

  • Property mode set to 100644
File size: 1.2 KB
Line 
1#include <fstream>
2#include <stdlib>
3#include <thread>
4
5#include <unistd.h> // sysconf
6#include <sys/times.h> // times
7#include <time.h>
8
9inline unsigned long long int Time() {
10 timespec ts;
11 clock_gettime(
12#if defined( __linux__ )
13 CLOCK_THREAD_CPUTIME_ID,
14#elif defined( __freebsd__ )
15 CLOCK_PROF,
16#elif defined( __solaris__ )
17 CLOCK_HIGHRES,
18#else
19 #error uC++ : internal error, unsupported architecture
20#endif
21 &ts );
22 return 1000000000LL * ts.tv_sec + ts.tv_nsec;
23} // Time
24
25#ifndef N
26#define N 10000000
27#endif
28
29condition condA;
30condition condB;
31
32monitor mon_t {};
33
34mon_t mon1, mon2;
35
36thread thrdA {};
37thread thrdB {};
38
39void sideA( mon_t * mutex a, mon_t * mutex b ) {
40 long long int StartTime, EndTime;
41
42 StartTime = Time();
43 for( int i = 0;; i++ ) {
44 signal(&condA);
45 if( i > N ) break;
46 wait(&condB);
47 }
48 EndTime = Time();
49
50 sout | ( EndTime - StartTime ) / N | endl;
51}
52
53void sideB( mon_t * mutex a, mon_t * mutex b ) {
54 for( int i = 0;; i++ ) {
55 signal(&condB);
56 if( i > N ) break;
57 wait(&condA);
58 }
59}
60
61void main( thrdA * this ) { sideA( &mon1, &mon2 ); }
62void main( thrdB * this ) { sideB( &mon1, &mon2 ); }
63
64int main() {
65 thrdA a;
66 thrdB b;
67}
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