Changeset 4f9636f for src/benchmark/csv-data.c

Timestamp:

May 5, 2017, 11:05:53 AM (7 years ago)

Author:

Rob Schluntz <rschlunt@…>

Branches:

ADT, aaron-thesis, arm-eh, ast-experimental, cleanup-dtors, deferred_resn, demangler, enum, forall-pointer-decay, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, new-env, no_list, persistent-indexer, pthread-emulation, qualifiedEnum, resolv-new, with_gc

Children:

982ed5b, c10ee66

Parents:

45a4ea7 (diff), bd951f7 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge branch 'master' of plg.uwaterloo.ca:/u/cforall/software/cfa/cfa-cc

File:

• src/benchmark/csv-data.c (modified) (4 diffs)

src/benchmark/csv-data.c

@@ -1 +1 @@
 #include <fstream>
+#include <monitor>
 #include <stdlib>
 #include <thread>
 
-extern "C" {
-#include <unistd.h>                                     // sysconf
-#include <sys/times.h>                                  // times
-#include <time.h>
-}
-
-inline unsigned long long int Time() {
-    timespec ts;
-    clock_gettime(
-#if defined( __linux__ )
-         CLOCK_THREAD_CPUTIME_ID,
-#elif defined( __freebsd__ )
-         CLOCK_PROF,
-#elif defined( __solaris__ )
-         CLOCK_HIGHRES,
-#else
-    #error uC++ : internal error, unsupported architecture
-#endif
-         &ts );
-    return 1000000000LL * ts.tv_sec + ts.tv_nsec;
-} // Time
+#include "bench.h"
 
 coroutine GreatSuspender {};
@@ -48 +29 @@
 #endif
 
-
-
+//-----------------------------------------------------------------------------
+// coroutine context switch
 long long int measure_coroutine() {
         const unsigned int NoOfTimes = N;
@@ -67 +48 @@
 }
 
+//-----------------------------------------------------------------------------
+// thread context switch
 long long int measure_thread() {
         const unsigned int NoOfTimes = N;
@@ -80 +63 @@
 }
 
+//-----------------------------------------------------------------------------
+// single monitor entry
+monitor mon_t {};
+void dummy( mon_t * mutex m ) {}
+
+long long int measure_1_monitor_entry() {
+        const unsigned int NoOfTimes = N;
+        long long int StartTime, EndTime;
+        mon_t mon;
+
+        StartTime = Time();
+        for ( volatile unsigned int i = 0; i < NoOfTimes; i += 1 ) {
+                dummy( &mon );
+        }
+        EndTime = Time();
+
+        return ( EndTime - StartTime ) / NoOfTimes;
+}
+
+//-----------------------------------------------------------------------------
+// multi monitor entry
+void dummy( mon_t * mutex m1,  mon_t * mutex m2 ) {}
+
+long long int measure_2_monitor_entry() {
+        const unsigned int NoOfTimes = N;
+        long long int StartTime, EndTime;
+        mon_t mon1, mon2;
+
+        StartTime = Time();
+        for ( volatile unsigned int i = 0; i < NoOfTimes; i += 1 ) {
+                dummy( &mon1, &mon2 );
+        }
+        EndTime = Time();
+
+        return ( EndTime - StartTime ) / NoOfTimes;
+}
+
 int main()
 {
-        sout | time(NULL) | ',' | measure_coroutine() | ',' | measure_thread() | endl;
+        sout | time(NULL) | ',';
+        sout | measure_coroutine() | ',';
+        sout | measure_thread() | ',';
+        sout | measure_1_monitor_entry() | ',';
+        sout | measure_2_monitor_entry() | endl;
 }