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 031a2c95 was de90452, checked in by Thierry Delisle <tdelisle@…>, 9 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
|
| Line | |
|---|
| 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.
