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 17df48e was
de90452,
checked in by Thierry Delisle <tdelisle@…>, 8 years ago
|
Added new benchmark folder and added more focused benchmarks for thread/coroutine context switch
|
-
Property mode set to
100644
|
File size:
1.2 KB
|
Rev | Line | |
---|
[de90452] | 1 | #include <fstream> |
---|
| 2 | #include <stdlib> |
---|
| 3 | #include <threads> |
---|
| 4 | |
---|
| 5 | #include <unistd.h> // sysconf |
---|
| 6 | #include <sys/times.h> // times |
---|
| 7 | #include <time.h> |
---|
| 8 | |
---|
| 9 | inline 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 | struct GreatSuspender { |
---|
| 26 | coroutine c; |
---|
| 27 | }; |
---|
| 28 | |
---|
| 29 | DECL_COROUTINE(GreatSuspender); |
---|
| 30 | |
---|
| 31 | void ?{}( GreatSuspender * this ) { |
---|
| 32 | prime(this); |
---|
| 33 | } |
---|
| 34 | |
---|
| 35 | void main( GreatSuspender * this ) |
---|
| 36 | { |
---|
| 37 | while( true ) { |
---|
| 38 | suspend(); |
---|
| 39 | } |
---|
| 40 | } |
---|
| 41 | |
---|
| 42 | void resumer( GreatSuspender * this, const unsigned int NoOfTimes ) { |
---|
| 43 | for ( volatile unsigned int i = 0; i < NoOfTimes; i += 1 ) { |
---|
| 44 | resume( this ); |
---|
| 45 | } |
---|
| 46 | } |
---|
| 47 | |
---|
| 48 | #ifndef N |
---|
| 49 | #define N 100000000 |
---|
| 50 | #endif |
---|
| 51 | |
---|
| 52 | int main() { |
---|
| 53 | const unsigned int NoOfTimes = N; |
---|
| 54 | long long int StartTime, EndTime; |
---|
| 55 | |
---|
| 56 | GreatSuspender s; |
---|
| 57 | |
---|
| 58 | StartTime = Time(); |
---|
| 59 | // for ( volatile unsigned int i = 0; i < NoOfTimes; i += 1 ) { |
---|
| 60 | // resume( this_coroutine() ); |
---|
| 61 | // // resume( &s ); |
---|
| 62 | // } |
---|
| 63 | resumer( &s, NoOfTimes ); |
---|
| 64 | EndTime = Time(); |
---|
| 65 | |
---|
| 66 | sout | ( EndTime - StartTime ) / NoOfTimes | endl; |
---|
| 67 | } |
---|
Note: See
TracBrowser
for help on using the repository browser.