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-rw-r--r--tests/benchtest2.c198
1 files changed, 147 insertions, 51 deletions
diff --git a/tests/benchtest2.c b/tests/benchtest2.c
index f2932b9..a049961 100644
--- a/tests/benchtest2.c
+++ b/tests/benchtest2.c
@@ -17,9 +17,14 @@
#include <stdlib.h>
#endif
+#include "benchtest.h"
+
+#define PTW32_MUTEX_TYPES
#define ITERATIONS 100000L
pthread_mutex_t gate1, gate2;
+old_mutex_t ox1, ox2;
+CRITICAL_SECTION cs1, cs2;
pthread_mutexattr_t ma;
long durationMilliSecs;
long overHeadMilliSecs = 0;
@@ -56,6 +61,22 @@ overheadThread(void * arg)
void *
+oldThread(void * arg)
+{
+ do
+ {
+ (void) old_mutex_lock(&ox1);
+ (void) old_mutex_lock(&ox2);
+ (void) old_mutex_unlock(&ox1);
+ sched_yield();
+ (void) old_mutex_unlock(&ox2);
+ }
+ while (running);
+
+ return NULL;
+}
+
+void *
workerThread(void * arg)
{
do
@@ -71,22 +92,34 @@ workerThread(void * arg)
return NULL;
}
+void *
+CSThread(void * arg)
+{
+ do
+ {
+ EnterCriticalSection(&cs1);
+ EnterCriticalSection(&cs2);
+ LeaveCriticalSection(&cs1);
+ sched_yield();
+ LeaveCriticalSection(&cs2);
+ }
+ while (running);
+
+ return NULL;
+}
+
void
runTest (char * testNameString, int mType)
{
-#ifdef PTHREAD_MUTEX_DEFAULT
- pthread_mutexattr_settype(&ma, mType);
+#ifdef PTW32_MUTEX_TYPES
+ assert(pthread_mutexattr_settype(&ma, mType) == 0);
#endif
- pthread_mutex_init(&gate1, &ma);
- pthread_mutex_init(&gate2, &ma);
-
- (void) pthread_mutex_lock(&gate1);
- (void) pthread_mutex_lock(&gate2);
-
+ assert(pthread_mutex_init(&gate1, &ma) == 0);
+ assert(pthread_mutex_init(&gate2, &ma) == 0);
+ assert(pthread_mutex_lock(&gate1) == 0);
+ assert(pthread_mutex_lock(&gate2) == 0);
running = 1;
-
- (void) pthread_create(&worker, NULL, workerThread, NULL);
-
+ assert(pthread_create(&worker, NULL, workerThread, NULL) == 0);
TESTSTART
(void) pthread_mutex_unlock(&gate1);
sched_yield();
@@ -94,23 +127,15 @@ runTest (char * testNameString, int mType)
(void) pthread_mutex_lock(&gate1);
(void) pthread_mutex_lock(&gate2);
TESTSTOP
-
running = 0;
-
- (void) pthread_mutex_unlock(&gate2);
- (void) pthread_mutex_unlock(&gate1);
-
- (void) pthread_join(worker, NULL);
-
- pthread_mutex_destroy(&gate2);
- pthread_mutex_destroy(&gate1);
-
- durationMilliSecs = GetDurationMilliSecs(currSysTimeStart, currSysTimeStop)
- - overHeadMilliSecs;
-
- printf( "%-25s %15ld %15ld %15.3f\n",
- testNameString,
- ITERATIONS,
+ assert(pthread_mutex_unlock(&gate2) == 0);
+ assert(pthread_mutex_unlock(&gate1) == 0);
+ assert(pthread_join(worker, NULL) == 0);
+ assert(pthread_mutex_destroy(&gate2) == 0);
+ assert(pthread_mutex_destroy(&gate1) == 0);
+ durationMilliSecs = GetDurationMilliSecs(currSysTimeStart, currSysTimeStop) - overHeadMilliSecs;
+ printf( "%-40s %15ld %15.3f\n",
+ testNameString,
durationMilliSecs,
(float) durationMilliSecs * 1E3 / ITERATIONS / 4 /* Four locks/unlocks per iteration */);
}
@@ -119,60 +144,131 @@ runTest (char * testNameString, int mType)
int
main (int argc, char *argv[])
{
- pthread_mutexattr_init(&ma);
+ assert(pthread_mutexattr_init(&ma) == 0);
- printf( "Two threads, blocking mutex locks/unlocks.\n\n");
+ printf( "========================================================================\n");
+ printf( "\nBlocking mutex lock plus unlock.\n");
+ printf("%ld iterations, four locks/unlocks per iteration.\n\n", ITERATIONS);
- printf( "%-25s %15s %15s %15s\n",
- "Test",
- "Iterations",
- "Total(msec)",
- "lock/unlock(usec)");
+ printf( "%-40s %15s %15s\n",
+ "Test",
+ "Total(msec)",
+ "average(usec)");
+ printf( "------------------------------------------------------------------------\n");
/*
* Time the loop overhead so we can subtract it from the actual test times.
*/
running = 1;
+ assert(pthread_create(&worker, NULL, overheadThread, NULL) == 0);
+ TESTSTART
+ sched_yield();
+ sched_yield();
+ TESTSTOP
+ running = 0;
+ assert(pthread_join(worker, NULL) == 0);
+ durationMilliSecs = GetDurationMilliSecs(currSysTimeStart, currSysTimeStop) - overHeadMilliSecs;
+ overHeadMilliSecs = durationMilliSecs;
- (void) pthread_create(&worker, NULL, overheadThread, NULL);
+ InitializeCriticalSection(&cs1);
+ InitializeCriticalSection(&cs2);
+ EnterCriticalSection(&cs1);
+ EnterCriticalSection(&cs2);
+ running = 1;
+ assert(pthread_create(&worker, NULL, CSThread, NULL) == 0);
TESTSTART
+ LeaveCriticalSection(&cs1);
sched_yield();
+ LeaveCriticalSection(&cs2);
+ EnterCriticalSection(&cs1);
+ EnterCriticalSection(&cs2);
TESTSTOP
-
running = 0;
+ LeaveCriticalSection(&cs2);
+ LeaveCriticalSection(&cs1);
+ assert(pthread_join(worker, NULL) == 0);
+ DeleteCriticalSection(&cs2);
+ DeleteCriticalSection(&cs1);
+ durationMilliSecs = GetDurationMilliSecs(currSysTimeStart, currSysTimeStop) - overHeadMilliSecs;
+ printf( "%-40s %15ld %15.3f\n",
+ "Simple Critical Section",
+ durationMilliSecs,
+ (float) durationMilliSecs * 1E3 / ITERATIONS / 4 );
- (void) pthread_join(worker, NULL);
- pthread_mutex_destroy(&gate2);
- pthread_mutex_destroy(&gate1);
+ old_mutex_use = OLD_WIN32CS;
+ assert(old_mutex_init(&ox1, NULL) == 0);
+ assert(old_mutex_init(&ox2, NULL) == 0);
+ assert(old_mutex_lock(&ox1) == 0);
+ assert(old_mutex_lock(&ox2) == 0);
+ running = 1;
+ assert(pthread_create(&worker, NULL, oldThread, NULL) == 0);
+ TESTSTART
+ (void) old_mutex_unlock(&ox1);
+ sched_yield();
+ (void) old_mutex_unlock(&ox2);
+ (void) old_mutex_lock(&ox1);
+ (void) old_mutex_lock(&ox2);
+ TESTSTOP
+ running = 0;
+ assert(old_mutex_unlock(&ox1) == 0);
+ assert(old_mutex_unlock(&ox2) == 0);
+ assert(pthread_join(worker, NULL) == 0);
+ assert(old_mutex_destroy(&ox2) == 0);
+ assert(old_mutex_destroy(&ox1) == 0);
+ durationMilliSecs = GetDurationMilliSecs(currSysTimeStart, currSysTimeStop) - overHeadMilliSecs;
+ printf( "%-40s %15ld %15.3f\n",
+ "PT Mutex using a Critical Section (WNT)",
+ durationMilliSecs,
+ (float) durationMilliSecs * 1E3 / ITERATIONS / 4);
- durationMilliSecs = GetDurationMilliSecs(currSysTimeStart, currSysTimeStop)
- - overHeadMilliSecs;
- printf( "%-25s %15ld %15ld\n",
- "Overhead",
- ITERATIONS,
- durationMilliSecs);
+ old_mutex_use = OLD_WIN32MUTEX;
+ assert(old_mutex_init(&ox1, NULL) == 0);
+ assert(old_mutex_init(&ox2, NULL) == 0);
+ assert(old_mutex_lock(&ox1) == 0);
+ assert(old_mutex_lock(&ox2) == 0);
+ running = 1;
+ assert(pthread_create(&worker, NULL, oldThread, NULL) == 0);
+ TESTSTART
+ (void) old_mutex_unlock(&ox1);
+ sched_yield();
+ (void) old_mutex_unlock(&ox2);
+ (void) old_mutex_lock(&ox1);
+ (void) old_mutex_lock(&ox2);
+ TESTSTOP
+ running = 0;
+ assert(old_mutex_unlock(&ox1) == 0);
+ assert(old_mutex_unlock(&ox2) == 0);
+ assert(pthread_join(worker, NULL) == 0);
+ assert(old_mutex_destroy(&ox2) == 0);
+ assert(old_mutex_destroy(&ox1) == 0);
+ durationMilliSecs = GetDurationMilliSecs(currSysTimeStart, currSysTimeStop) - overHeadMilliSecs;
+ printf( "%-40s %15ld %15.3f\n",
+ "PT Mutex using a Win32 Mutex (W9x)",
+ durationMilliSecs,
+ (float) durationMilliSecs * 1E3 / ITERATIONS / 4);
- overHeadMilliSecs = durationMilliSecs;
+ printf( "........................................................................\n");
/*
* Now we can start the actual tests
*/
-#ifdef PTHREAD_MUTEX_DEFAULT
- runTest("PTHREAD_MUTEX_DEFAULT", PTHREAD_MUTEX_DEFAULT);
+#ifdef PTW32_MUTEX_TYPES
+ runTest("PTHREAD_MUTEX_DEFAULT (W9x,WNT)", PTHREAD_MUTEX_DEFAULT);
- runTest("PTHREAD_MUTEX_NORMAL", PTHREAD_MUTEX_NORMAL);
+ runTest("PTHREAD_MUTEX_NORMAL (W9x,WNT)", PTHREAD_MUTEX_NORMAL);
- runTest("PTHREAD_MUTEX_ERRORCHECK", PTHREAD_MUTEX_ERRORCHECK);
+ runTest("PTHREAD_MUTEX_ERRORCHECK (W9x,WNT)", PTHREAD_MUTEX_ERRORCHECK);
- runTest("PTHREAD_MUTEX_RECURSIVE", PTHREAD_MUTEX_RECURSIVE);
+ runTest("PTHREAD_MUTEX_RECURSIVE (W9x,WNT)", PTHREAD_MUTEX_RECURSIVE);
#else
runTest("Blocking locks", 0);
#endif
+ printf( "========================================================================\n");
/*
* End of tests.
*/
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 10:39:07 +0000