Adding thread latency/throughput perf. examples.

Signed-off-by: Robert G. Jakabosky <bobby@sharedrealm.com>

perf/Makefile.am

 INCLUDES = -I$(top_builddir)/include
 
-noinst_PROGRAMS = local_lat remote_lat local_thr remote_thr
+noinst_PROGRAMS = local_lat remote_lat local_thr remote_thr inproc_lat inproc_thr
 
 local_lat_LDADD = $(top_builddir)/src/libzmq.la
 local_lat_SOURCES = local_lat.cpp
@@ -13,3 +13,9 @@ local_thr_SOURCES = local_thr.cpp
 
 remote_thr_LDADD = $(top_builddir)/src/libzmq.la
 remote_thr_SOURCES = remote_thr.cpp
+
+inproc_lat_LDADD = $(top_builddir)/src/libzmq.la
+inproc_lat_SOURCES = inproc_lat.cpp
+
+inproc_thr_LDADD = $(top_builddir)/src/libzmq.la
+inproc_thr_SOURCES = inproc_thr.cpp

perf/inproc_lat.cpp

+/*
+    Copyright (c) 2007-2011 iMatix Corporation
+    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+    This file is part of 0MQ.
+
+    0MQ 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 3 of the License, or
+    (at your option) any later version.
+
+    0MQ 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 program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "../include/zmq.h"
+#include "../include/zmq_utils.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <pthread.h>
+
+static size_t message_size;
+static int roundtrip_count;
+
+static void *worker (void *ctx)
+{
+    void *s;
+    int rc;
+    int i;
+    zmq_msg_t msg;
+
+    s = zmq_socket (ctx, ZMQ_REP);
+    if (!s) {
+        printf ("error in zmq_socket: %s\n", zmq_strerror (errno));
+        exit (1);
+    }
+
+    rc = zmq_connect (s, "inproc://lat_test");
+    if (rc != 0) {
+        printf ("error in zmq_connect: %s\n", zmq_strerror (errno));
+        exit (1);
+    }
+
+    rc = zmq_msg_init (&msg);
+    if (rc != 0) {
+        printf ("error in zmq_msg_init: %s\n", zmq_strerror (errno));
+        exit (1);
+    }
+
+    for (i = 0; i != roundtrip_count; i++) {
+        rc = zmq_recvmsg (s, &msg, 0);
+        if (rc < 0) {
+            printf ("error in zmq_recvmsg: %s\n", zmq_strerror (errno));
+            exit (1);
+        }
+        rc = zmq_sendmsg (s, &msg, 0);
+        if (rc < 0) {
+            printf ("error in zmq_sendmsg: %s\n", zmq_strerror (errno));
+            exit (1);
+        }
+    }
+
+    rc = zmq_msg_close (&msg);
+    if (rc != 0) {
+        printf ("error in zmq_msg_close: %s\n", zmq_strerror (errno));
+        exit (1);
+    }
+
+    rc = zmq_close (s);
+    if (rc != 0) {
+        printf ("error in zmq_close: %s\n", zmq_strerror (errno));
+        exit (1);
+    }
+
+    return NULL;
+}
+
+int main (int argc, char *argv [])
+{
+    pthread_t local_thread;
+    void *ctx;
+    void *s;
+    int rc;
+    int i;
+    zmq_msg_t msg;
+    void *watch;
+    unsigned long elapsed;
+    double latency;
+
+    if (argc != 3) {
+        printf ("usage: inproc_lat <message-size> <roundtrip-count>\n");
+        return 1;
+    }
+
+    message_size = atoi (argv [1]);
+    roundtrip_count = atoi (argv [2]);
+
+    ctx = zmq_init (1);
+    if (!ctx) {
+        printf ("error in zmq_init: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+
+    s = zmq_socket (ctx, ZMQ_REQ);
+    if (!s) {
+        printf ("error in zmq_socket: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+
+    rc = zmq_bind (s, "inproc://lat_test");
+    if (rc != 0) {
+        printf ("error in zmq_bind: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+
+    rc = pthread_create (&local_thread, NULL, worker, ctx);
+    if (rc != 0) {
+        printf ("error in pthread_create: %s\n", zmq_strerror (rc));
+        return -1;
+    }
+
+    rc = zmq_msg_init_size (&msg, message_size);
+    if (rc != 0) {
+        printf ("error in zmq_msg_init_size: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+    memset (zmq_msg_data (&msg), 0, message_size);
+
+    printf ("message size: %d [B]\n", (int) message_size);
+    printf ("roundtrip count: %d\n", (int) roundtrip_count);
+
+    watch = zmq_stopwatch_start ();
+
+    for (i = 0; i != roundtrip_count; i++) {
+        rc = zmq_sendmsg (s, &msg, 0);
+        if (rc < 0) {
+            printf ("error in zmq_sendmsg: %s\n", zmq_strerror (errno));
+            return -1;
+        }
+        rc = zmq_recvmsg (s, &msg, 0);
+        if (rc < 0) {
+            printf ("error in zmq_recvmsg: %s\n", zmq_strerror (errno));
+            return -1;
+        }
+        if (zmq_msg_size (&msg) != message_size) {
+            printf ("message of incorrect size received\n");
+            return -1;
+        }
+    }
+
+    elapsed = zmq_stopwatch_stop (watch);
+
+    rc = zmq_msg_close (&msg);
+    if (rc != 0) {
+        printf ("error in zmq_msg_close: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+
+    latency = (double) elapsed / (roundtrip_count * 2);
+
+    rc = pthread_join (local_thread, NULL);
+    if (rc != 0) {
+        printf ("error in pthread_join: %s\n", zmq_strerror (rc));
+        return -1;
+    }
+
+    printf ("average latency: %.3f [us]\n", (double) latency);
+
+    rc = zmq_close (s);
+    if (rc != 0) {
+        printf ("error in zmq_close: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+
+    rc = zmq_term (ctx);
+    if (rc != 0) {
+        printf ("error in zmq_term: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+
+    return 0;
+}
+

perf/inproc_thr.cpp

+/*
+    Copyright (c) 2007-2011 iMatix Corporation
+    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+    This file is part of 0MQ.
+
+    0MQ 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 3 of the License, or
+    (at your option) any later version.
+
+    0MQ 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 program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "../include/zmq.h"
+#include "../include/zmq_utils.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <pthread.h>
+
+static int message_count;
+static size_t message_size;
+
+static void *worker (void *ctx)
+{
+    void *s;
+    int rc;
+    int i;
+    zmq_msg_t msg;
+
+    s = zmq_socket (ctx, ZMQ_PUB);
+    if (!s) {
+        printf ("error in zmq_socket: %s\n", zmq_strerror (errno));
+        exit (1);
+    }
+
+    rc = zmq_connect (s, "inproc://thr_test");
+    if (rc != 0) {
+        printf ("error in zmq_connect: %s\n", zmq_strerror (errno));
+        exit (1);
+    }
+
+    for (i = 0; i != message_count; i++) {
+
+        rc = zmq_msg_init_size (&msg, message_size);
+        if (rc != 0) {
+            printf ("error in zmq_msg_init_size: %s\n", zmq_strerror (errno));
+            exit (1);
+        }
+#if defined ZMQ_MAKE_VALGRIND_HAPPY
+        memset (zmq_msg_data (&msg), 0, message_size);
+#endif
+
+        rc = zmq_sendmsg (s, &msg, 0);
+        if (rc < 0) {
+            printf ("error in zmq_sendmsg: %s\n", zmq_strerror (errno));
+            exit (1);
+        }
+        rc = zmq_msg_close (&msg);
+        if (rc != 0) {
+            printf ("error in zmq_msg_close: %s\n", zmq_strerror (errno));
+            exit (1);
+        }
+    }
+
+    rc = zmq_close (s);
+    if (rc != 0) {
+        printf ("error in zmq_close: %s\n", zmq_strerror (errno));
+        exit (1);
+    }
+
+    return NULL;
+}
+
+int main (int argc, char *argv [])
+{
+    pthread_t local_thread;
+    void *ctx;
+    void *s;
+    int rc;
+    int i;
+    zmq_msg_t msg;
+    void *watch;
+    unsigned long elapsed;
+    unsigned long throughput;
+    double megabits;
+
+    if (argc != 3) {
+        printf ("usage: thread_thr <message-size> <message-count>\n");
+        return 1;
+    }
+
+    message_size = atoi (argv [1]);
+    message_count = atoi (argv [2]);
+
+    ctx = zmq_init (1);
+    if (!ctx) {
+        printf ("error in zmq_init: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+
+    s = zmq_socket (ctx, ZMQ_SUB);
+    if (!s) {
+        printf ("error in zmq_socket: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+
+    rc = zmq_setsockopt (s, ZMQ_SUBSCRIBE , "", 0);
+    if (rc != 0) {
+        printf ("error in zmq_setsockopt: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+
+    rc = zmq_bind (s, "inproc://thr_test");
+    if (rc != 0) {
+        printf ("error in zmq_bind: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+
+    rc = pthread_create (&local_thread, NULL, worker, ctx);
+    if (rc != 0) {
+        printf ("error in pthread_create: %s\n", zmq_strerror (rc));
+        return -1;
+    }
+
+    rc = zmq_msg_init (&msg);
+    if (rc != 0) {
+        printf ("error in zmq_msg_init: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+
+    printf ("message size: %d [B]\n", (int) message_size);
+    printf ("message count: %d\n", (int) message_count);
+
+    rc = zmq_recvmsg (s, &msg, 0);
+    if (rc < 0) {
+        printf ("error in zmq_recvmsg: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+    if (zmq_msg_size (&msg) != message_size) {
+        printf ("message of incorrect size received\n");
+        return -1;
+    }
+
+    watch = zmq_stopwatch_start ();
+
+    for (i = 0; i != message_count - 1; i++) {
+        rc = zmq_recvmsg (s, &msg, 0);
+        if (rc < 0) {
+            printf ("error in zmq_recvmsg: %s\n", zmq_strerror (errno));
+            return -1;
+        }
+        if (zmq_msg_size (&msg) != message_size) {
+            printf ("message of incorrect size received\n");
+            return -1;
+        }
+    }
+
+    elapsed = zmq_stopwatch_stop (watch);
+    if (elapsed == 0)
+        elapsed = 1;
+
+    rc = zmq_msg_close (&msg);
+    if (rc != 0) {
+        printf ("error in zmq_msg_close: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+
+    rc = pthread_join (local_thread, NULL);
+    if (rc != 0) {
+        printf ("error in pthread_join: %s\n", zmq_strerror (rc));
+        return -1;
+    }
+
+    rc = zmq_close (s);
+    if (rc != 0) {
+        printf ("error in zmq_close: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+
+    rc = zmq_term (ctx);
+    if (rc != 0) {
+        printf ("error in zmq_term: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+
+    throughput = (unsigned long)
+        ((double) message_count / (double) elapsed * 1000000);
+    megabits = (double) (throughput * message_size * 8) / 1000000;
+
+    printf ("mean throughput: %d [msg/s]\n", (int) throughput);
+    printf ("mean throughput: %.3f [Mb/s]\n", (double) megabits);
+
+    return 0;
+}
+