From: Laurent Mazet <mazet@softndesign.org>
Date: Tue, 21 Oct 2025 20:44:16 +0000 (+0200)
Subject: avoid first test
X-Git-Url: https://secure.softndesign.org/git/?a=commitdiff_plain;h=d56844f85569358eac1ecf672b801028cb5843b7;p=benchmarks.git

avoid first test
---

diff --git a/clock.c b/clock.c
index 992bf11..fa3fdcd 100644
--- a/clock.c
+++ b/clock.c
@@ -39,7 +39,7 @@ int init (dts_t *buffer, int nb, __attribute__((unused)) pthread_barrier_t *sync
 void *ping (__attribute__((unused)) void *arg)
 {
 
-    for (int i = 0; i < nb_measurements; i++) {
+    for (int i = -1; i < nb_measurements; i++) {
 
         int duration = MINDUR * ((MAXDUR / MINDUR) * rand () / RAND_MAX);
         usleep (duration);
@@ -47,7 +47,7 @@ void *ping (__attribute__((unused)) void *arg)
         ts_t ts1, ts2;
         sys_timestamp (&ts1);
         sys_timestamp (&ts2);
-        deltas[i] = diff_timestamp (&ts2, &ts1);
+        if (i != -1) deltas[i] = diff_timestamp (&ts2, &ts1);
     }
 
     pthread_exit (NULL);
diff --git a/cycle.c b/cycle.c
index f81c7ab..8dafbf9 100644
--- a/cycle.c
+++ b/cycle.c
@@ -39,7 +39,7 @@ int init (dts_t *buffer, int nb, __attribute__((unused)) pthread_barrier_t *sync
 void *ping (__attribute__((unused)) void *arg)
 {
 
-    for (int i = 0; i < nb_measurements; i++) {
+    for (int i = -1; i < nb_measurements; i++) {
 
         int duration = MINDUR * ((MAXDUR / MINDUR) * rand () / RAND_MAX);
 
@@ -47,7 +47,7 @@ void *ping (__attribute__((unused)) void *arg)
         sys_timestamp (&ts1);
         usleep (duration);
         sys_timestamp (&ts2);
-        deltas[i] = diff_timestamp (&ts2, &ts1) - duration;
+        if (i != -1) deltas[i] = diff_timestamp (&ts2, &ts1) - duration;
     }
 
     pthread_exit (NULL);
diff --git a/mq_lat.c b/mq_lat.c
index d0862f6..b1cffd6 100644
--- a/mq_lat.c
+++ b/mq_lat.c
@@ -54,7 +54,7 @@ void *ping (__attribute__((unused)) void *arg)
 
     usleep (TIMER);
 
-    for (int i = 0; i < nb_measurements; i++) {
+    for (int i = -1; i < nb_measurements; i++) {
 
         char *msg = get_msg (MSGLEN);
 
@@ -90,7 +90,7 @@ void *pong (__attribute__((unused)) void *arg)
     pthread_barrier_wait (barrier);
     printf ("Receiving pong...\n");
 
-    for (int i = 0; i < nb_measurements; i++) {
+    for (int i = -1; i < nb_measurements; i++) {
 
         pthread_mutex_lock (&mutex);
         usleep (TIMER);
@@ -104,7 +104,7 @@ void *pong (__attribute__((unused)) void *arg)
         }
 
         sys_timestamp (&ts2);
-        deltas[i] = diff_timestamp (&ts2, &ts1);
+        if (i != -1) deltas[i] = diff_timestamp (&ts2, &ts1);
     }
 
     mq_close (mq_in);
diff --git a/pipe_lat.c b/pipe_lat.c
index a94d29b..c39b829 100644
--- a/pipe_lat.c
+++ b/pipe_lat.c
@@ -45,7 +45,7 @@ void *ping (__attribute__((unused)) void *arg)
 
     usleep (TIMER);
 
-    for (int i = 0; i < nb_measurements; i++) {
+    for (int i = -1; i < nb_measurements; i++) {
 
         char *msg = get_msg (MSGLEN);
 
@@ -78,7 +78,7 @@ void *pong (__attribute__((unused)) void *arg)
     pthread_barrier_wait (barrier);
     printf ("Receiving pong...\n");
 
-    for (int i = 0; i < nb_measurements; i++) {
+    for (int i = -1; i < nb_measurements; i++) {
 
         pthread_mutex_lock (&mutex);
         usleep (TIMER);
@@ -92,7 +92,7 @@ void *pong (__attribute__((unused)) void *arg)
         }
 
         sys_timestamp (&ts2);
-        deltas[i] = diff_timestamp (&ts2, &ts1);
+        if (i != -1) deltas[i] = diff_timestamp (&ts2, &ts1);
     }
 
     close (fdin);
diff --git a/thread_c+j.c b/thread_c+j.c
index 179c834..bd5d0a7 100644
--- a/thread_c+j.c
+++ b/thread_c+j.c
@@ -38,7 +38,7 @@ void* dummy_thread (__attribute__((unused)) void *arg)
 void *ping (__attribute__((unused)) void *arg)
 {
 
-    for (int i = 0; i < nb_measurements; i++) {
+    for (int i = -1; i < nb_measurements; i++) {
 
         ts_t ts1;
         sys_timestamp (&ts1);
@@ -55,7 +55,7 @@ void *ping (__attribute__((unused)) void *arg)
         ts_t ts2;
         sys_timestamp (&ts2);
 
-        deltas[i] = diff_timestamp (&ts2, &ts1);
+        if (i != -1) deltas[i] = diff_timestamp (&ts2, &ts1);
     }
 
     pthread_exit (NULL);
diff --git a/thread_c.c b/thread_c.c
index 573b072..603015d 100644
--- a/thread_c.c
+++ b/thread_c.c
@@ -40,7 +40,7 @@ void* dummy_thread (__attribute__((unused)) void *arg)
 void *ping (__attribute__((unused)) void *arg)
 {
 
-    for (int i = 0; i < nb_measurements; i++) {
+    for (int i = -1; i < nb_measurements; i++) {
 
         sys_timestamp (&ts1);
 
@@ -53,7 +53,7 @@ void *ping (__attribute__((unused)) void *arg)
 
         pthread_join(posix_t, NULL);
 
-        deltas[i] = diff_timestamp (&ts2, &ts1);
+        if (i != -1) deltas[i] = diff_timestamp (&ts2, &ts1);
     }
 
     pthread_exit (NULL);
diff --git a/udp_lat.c b/udp_lat.c
index eb7a612..7271455 100644
--- a/udp_lat.c
+++ b/udp_lat.c
@@ -89,7 +89,7 @@ void *ping (__attribute__((unused)) void *arg)
 
     usleep (TIMER);
 
-    for (int i = 0; i < nb_measurements; i++) {
+    for (int i = -1; i < nb_measurements; i++) {
 
         char *msg = get_msg (MSGLEN);
 
@@ -137,7 +137,7 @@ void *pong (__attribute__((unused)) void *arg)
     pthread_barrier_wait (barrier);
     printf ("Receiving pong...\n");
 
-    for (int i = 0; i < nb_measurements; i++) {
+    for (int i = -1; i < nb_measurements; i++) {
 
         pthread_mutex_lock (&mutex);
         usleep (TIMER);
@@ -152,7 +152,7 @@ void *pong (__attribute__((unused)) void *arg)
             pthread_exit (NULL);
         }
         sys_timestamp (&ts2);
-        deltas[i] = diff_timestamp (&ts2, &ts1);
+        if (i != -1) deltas[i] = diff_timestamp (&ts2, &ts1);
     }
 
     close (sock);