diff options
author | rpj <rpj> | 2005-04-25 14:55:16 +0000 |
---|---|---|
committer | rpj <rpj> | 2005-04-25 14:55:16 +0000 |
commit | a06bad7ea9a24a3ea93fe1e7b9b99155481ada3a (patch) | |
tree | 5d8d210afdda4bdaea3c6a6e4a7a7ccdab4b3bba /tests/benchtest5.c | |
parent | 262895c989b395cb0c79512a34a697b1e56bcbd7 (diff) |
''
Diffstat (limited to 'tests/benchtest5.c')
-rw-r--r-- | tests/benchtest5.c | 318 |
1 files changed, 159 insertions, 159 deletions
diff --git a/tests/benchtest5.c b/tests/benchtest5.c index 2fba9e3..7700fde 100644 --- a/tests/benchtest5.c +++ b/tests/benchtest5.c @@ -1,159 +1,159 @@ -/*
- * benchtest5.c
- *
- *
- * --------------------------------------------------------------------------
- *
- * Pthreads-win32 - POSIX Threads Library for Win32
- * Copyright(C) 1998 John E. Bossom
- * Copyright(C) 1999,2005 Pthreads-win32 contributors
- *
- * Contact Email: rpj@callisto.canberra.edu.au
- *
- * The current list of contributors is contained
- * in the file CONTRIBUTORS included with the source
- * code distribution. The list can also be seen at the
- * following World Wide Web location:
- * http://sources.redhat.com/pthreads-win32/contributors.html
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library in the file COPYING.LIB;
- * if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- *
- * --------------------------------------------------------------------------
- *
- * Measure time taken to complete an elementary operation.
- *
- * - Semaphore
- * Single thread iteration over post/wait for a semaphore.
- */
-
-#include "test.h"
-#include <sys/timeb.h>
-
-#ifdef __GNUC__
-#include <stdlib.h>
-#endif
-
-#include "benchtest.h"
-
-#define ITERATIONS 1000000L
-
-sem_t sema;
-HANDLE w32sema;
-
-struct _timeb currSysTimeStart;
-struct _timeb currSysTimeStop;
-long durationMilliSecs;
-long overHeadMilliSecs = 0;
-int one = 1;
-int zero = 0;
-
-#define GetDurationMilliSecs(_TStart, _TStop) ((_TStop.time*1000+_TStop.millitm) \
- - (_TStart.time*1000+_TStart.millitm))
-
-/*
- * Dummy use of j, otherwise the loop may be removed by the optimiser
- * when doing the overhead timing with an empty loop.
- */
-#define TESTSTART \
- { int i, j = 0, k = 0; _ftime(&currSysTimeStart); for (i = 0; i < ITERATIONS; i++) { j++;
-
-#define TESTSTOP \
- }; _ftime(&currSysTimeStop); if (j + k == i) j++; }
-
-
-void
-reportTest (char * testNameString)
-{
- durationMilliSecs = GetDurationMilliSecs(currSysTimeStart, currSysTimeStop) - overHeadMilliSecs;
-
- printf( "%-45s %15ld %15.3f\n",
- testNameString,
- durationMilliSecs,
- (float) durationMilliSecs * 1E3 / ITERATIONS);
-}
-
-
-int
-main (int argc, char *argv[])
-{
- printf( "=============================================================================\n");
- printf( "\nOperations on a semaphore.\n%ld iterations\n\n",
- ITERATIONS);
- printf( "%-45s %15s %15s\n",
- "Test",
- "Total(msec)",
- "average(usec)");
- printf( "-----------------------------------------------------------------------------\n");
-
- /*
- * Time the loop overhead so we can subtract it from the actual test times.
- */
-
- TESTSTART
- assert(1 == one);
- TESTSTOP
-
- durationMilliSecs = GetDurationMilliSecs(currSysTimeStart, currSysTimeStop) - overHeadMilliSecs;
- overHeadMilliSecs = durationMilliSecs;
-
-
- /*
- * Now we can start the actual tests
- */
- assert((w32sema = CreateSemaphore(NULL, (long) 0, (long) ITERATIONS, NULL)) != 0);
- TESTSTART
- assert(ReleaseSemaphore(w32sema, 1, NULL) != zero);
- TESTSTOP
- assert(CloseHandle(w32sema) != 0);
-
- reportTest("W32 Post with no waiters");
-
-
- assert((w32sema = CreateSemaphore(NULL, (long) ITERATIONS, (long) ITERATIONS, NULL)) != 0);
- TESTSTART
- assert(WaitForSingleObject(w32sema, INFINITE) == WAIT_OBJECT_0);
- TESTSTOP
- assert(CloseHandle(w32sema) != 0);
-
- reportTest("W32 Wait without blocking");
-
-
- assert(sem_init(&sema, 0, 0) == 0);
- TESTSTART
- assert(sem_post(&sema) == zero);
- TESTSTOP
- assert(sem_destroy(&sema) == 0);
-
- reportTest("POSIX Post with no waiters");
-
-
- assert(sem_init(&sema, 0, ITERATIONS) == 0);
- TESTSTART
- assert(sem_wait(&sema) == zero);
- TESTSTOP
- assert(sem_destroy(&sema) == 0);
-
- reportTest("POSIX Wait without blocking");
-
-
- printf( "=============================================================================\n");
-
- /*
- * End of tests.
- */
-
- return 0;
-}
+/* + * benchtest5.c + * + * + * -------------------------------------------------------------------------- + * + * Pthreads-win32 - POSIX Threads Library for Win32 + * Copyright(C) 1998 John E. Bossom + * Copyright(C) 1999,2005 Pthreads-win32 contributors + * + * Contact Email: rpj@callisto.canberra.edu.au + * + * The current list of contributors is contained + * in the file CONTRIBUTORS included with the source + * code distribution. The list can also be seen at the + * following World Wide Web location: + * http://sources.redhat.com/pthreads-win32/contributors.html + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library in the file COPYING.LIB; + * if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + * + * -------------------------------------------------------------------------- + * + * Measure time taken to complete an elementary operation. + * + * - Semaphore + * Single thread iteration over post/wait for a semaphore. + */ + +#include "test.h" +#include <sys/timeb.h> + +#ifdef __GNUC__ +#include <stdlib.h> +#endif + +#include "benchtest.h" + +#define ITERATIONS 1000000L + +sem_t sema; +HANDLE w32sema; + +struct _timeb currSysTimeStart; +struct _timeb currSysTimeStop; +long durationMilliSecs; +long overHeadMilliSecs = 0; +int one = 1; +int zero = 0; + +#define GetDurationMilliSecs(_TStart, _TStop) ((_TStop.time*1000+_TStop.millitm) \ + - (_TStart.time*1000+_TStart.millitm)) + +/* + * Dummy use of j, otherwise the loop may be removed by the optimiser + * when doing the overhead timing with an empty loop. + */ +#define TESTSTART \ + { int i, j = 0, k = 0; _ftime(&currSysTimeStart); for (i = 0; i < ITERATIONS; i++) { j++; + +#define TESTSTOP \ + }; _ftime(&currSysTimeStop); if (j + k == i) j++; } + + +void +reportTest (char * testNameString) +{ + durationMilliSecs = GetDurationMilliSecs(currSysTimeStart, currSysTimeStop) - overHeadMilliSecs; + + printf( "%-45s %15ld %15.3f\n", + testNameString, + durationMilliSecs, + (float) durationMilliSecs * 1E3 / ITERATIONS); +} + + +int +main (int argc, char *argv[]) +{ + printf( "=============================================================================\n"); + printf( "\nOperations on a semaphore.\n%ld iterations\n\n", + ITERATIONS); + printf( "%-45s %15s %15s\n", + "Test", + "Total(msec)", + "average(usec)"); + printf( "-----------------------------------------------------------------------------\n"); + + /* + * Time the loop overhead so we can subtract it from the actual test times. + */ + + TESTSTART + assert(1 == one); + TESTSTOP + + durationMilliSecs = GetDurationMilliSecs(currSysTimeStart, currSysTimeStop) - overHeadMilliSecs; + overHeadMilliSecs = durationMilliSecs; + + + /* + * Now we can start the actual tests + */ + assert((w32sema = CreateSemaphore(NULL, (long) 0, (long) ITERATIONS, NULL)) != 0); + TESTSTART + assert(ReleaseSemaphore(w32sema, 1, NULL) != zero); + TESTSTOP + assert(CloseHandle(w32sema) != 0); + + reportTest("W32 Post with no waiters"); + + + assert((w32sema = CreateSemaphore(NULL, (long) ITERATIONS, (long) ITERATIONS, NULL)) != 0); + TESTSTART + assert(WaitForSingleObject(w32sema, INFINITE) == WAIT_OBJECT_0); + TESTSTOP + assert(CloseHandle(w32sema) != 0); + + reportTest("W32 Wait without blocking"); + + + assert(sem_init(&sema, 0, 0) == 0); + TESTSTART + assert(sem_post(&sema) == zero); + TESTSTOP + assert(sem_destroy(&sema) == 0); + + reportTest("POSIX Post with no waiters"); + + + assert(sem_init(&sema, 0, ITERATIONS) == 0); + TESTSTART + assert(sem_wait(&sema) == zero); + TESTSTOP + assert(sem_destroy(&sema) == 0); + + reportTest("POSIX Wait without blocking"); + + + printf( "=============================================================================\n"); + + /* + * End of tests. + */ + + return 0; +} |