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Java perf tests added

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This commit is contained in:
Martin Sustrik 2009-09-05 09:30:12 +02:00
parent 63b56d7fb3
commit 67253f3186
12 changed files with 351 additions and 194 deletions
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15
java/Context.cpp
View File

@ -27,8 +27,7 @@
static jfieldID ctx_handle_fid = NULL;
static void
raise_exception (JNIEnv *env, int err)
static void raise_exception (JNIEnv *env, int err)
{
// Get exception class.
jclass exception_class = env->FindClass ("java/lang/Exception");
@ -45,9 +44,8 @@ raise_exception (JNIEnv *env, int err)
env->DeleteLocalRef (exception_class);
}
JNIEXPORT void JNICALL
Java_org_zmq_Context_construct (JNIEnv *env, jobject obj,
jint app_threads, jint io_threads)
JNIEXPORT void JNICALL Java_org_zmq_Context_construct (JNIEnv *env, jobject obj,
jint app_threads, jint io_threads)
{
if (ctx_handle_fid == NULL) {
jclass cls = env->GetObjectClass (obj);
@ -66,8 +64,7 @@ Java_org_zmq_Context_construct (JNIEnv *env, jobject obj,
env->SetLongField (obj, ctx_handle_fid, (jlong) ctx);
}
JNIEXPORT void JNICALL
Java_org_zmq_Context_finalize (JNIEnv *env, jobject obj)
JNIEXPORT void JNICALL Java_org_zmq_Context_finalize (JNIEnv *env, jobject obj)
{
void *ctx = (void*) env->GetLongField (obj, ctx_handle_fid);
assert (ctx);
@ -76,8 +73,8 @@ Java_org_zmq_Context_finalize (JNIEnv *env, jobject obj)
assert (rc == 0);
}
JNIEXPORT jlong JNICALL
Java_org_zmq_Context_createSocket (JNIEnv *env, jobject obj, jint type)
JNIEXPORT jlong JNICALL Java_org_zmq_Context_createSocket (JNIEnv *env,
jobject obj, jint type)
{
void *ctx = (void*) env->GetLongField (obj, ctx_handle_fid);
assert (ctx);

22
java/Makefile.am
View File

@ -12,20 +12,17 @@ jar_DATA = $(jarfile)
dist_noinst_JAVA = \
org/zmq/Context.java \
org/zmq/Socket.java \
org/zmq/Message.java
org/zmq/Socket.java
lib_LTLIBRARIES = libjzmq.la
libjzmq_la_SOURCES = \
Context.cpp \
org_zmq_Context.h \
Socket.cpp \
org_zmq_Socket.h \
Message.cpp \
org_zmq_Message.h
org_zmq_Socket.h
libjzmq_la_CXXFLAGS = -I$(top_builddir)/src/libzmq \
@JAVA_INCLUDE@ -I$(top_builddir)/include -I$(top_srcdir)/libjzmq -Wall -I /usr/lib/jvm/java-6-openjdk/include
@JAVA_INCLUDE@ -I$(top_builddir)/include -I$(top_srcdir)/libjzmq -Wall
libjzmq_la_LDFLAGS = -version-info 0:0:0
libjzmq_la_LIBADD = $(top_builddir)/src/libzmq.la
@ -33,17 +30,13 @@ BUILT_SOURCES = \
org/zmq/Context.class \
org_zmq_Context.h \
org/zmq/Socket.class \
org_zmq_Socket.h \
org/zmq/Message.class \
org_zmq_Message.h
org_zmq_Socket.h
CLEANFILES = \
org/zmq/Context.class \
org_zmq_Context.h \
org/zmq/Socket.class \
org_zmq_Socket.h \
org/zmq/Message.class \
org_zmq_Message.h \
Zmq.jar
$(srcdir)/Context.cpp: org_zmq_Context.h
@ -60,13 +53,6 @@ org_zmq_Socket.h: org/zmq/Socket.class
./org/zmq/Socket.class: classdist_noinst.stamp
$(srcdir)/Message.cpp: org_zmq_Message.h
org_zmq_Message.h: org/zmq/Message.class
$(CLASSPATH_ENV) $(JAVAH) -jni -classpath . org.zmq.Message
./org/zmq/Message.class: classdist_noinst.stamp
dist-hook:
-rm $(distdir)/*.h

156
java/Socket.cpp
View File

@ -26,13 +26,9 @@
#include "org_zmq_Socket.h"
static jfieldID socket_handle_fid = NULL;
static jclass msg_class = NULL;
static jmethodID msg_constructor;
static jmethodID get_msg_handle_mid = NULL;
static jmethodID create_socket_mid = NULL;
static void
raise_exception (JNIEnv *env, int err)
static void raise_exception (JNIEnv *env, int err)
{
// Get exception class.
jclass exception_class = env->FindClass ("java/lang/Exception");
@ -49,9 +45,8 @@ raise_exception (JNIEnv *env, int err)
env->DeleteLocalRef (exception_class);
}
JNIEXPORT void JNICALL
Java_org_zmq_Socket_construct (JNIEnv *env, jobject obj, jobject context,
jint type)
JNIEXPORT void JNICALL Java_org_zmq_Socket_construct (JNIEnv *env, jobject obj,
jobject context, jint type)
{
if (socket_handle_fid == NULL) {
jclass cls = env->GetObjectClass (obj);
@ -69,30 +64,14 @@ Java_org_zmq_Socket_construct (JNIEnv *env, jobject obj, jobject context,
env->DeleteLocalRef (cls);
}
if (msg_class == NULL) {
jclass cls = env->FindClass ("org/zmq/Message");
assert (cls);
msg_constructor = env->GetMethodID (cls, "<init>", "()V");
assert (msg_constructor);
get_msg_handle_mid = env->GetMethodID (cls, "getMsgHandle", "()J");
assert (get_msg_handle_mid);
msg_class = (jclass) env->NewGlobalRef (cls);
assert (msg_class);
env->DeleteLocalRef (cls);
}
void *s = (void *) env->CallLongMethod (context, create_socket_mid, type);
void *s = (void*) env->CallLongMethod (context, create_socket_mid, type);
if (env->ExceptionCheck ())
return;
env->SetLongField (obj, socket_handle_fid, (jlong) s);
}
JNIEXPORT void JNICALL
Java_org_zmq_Socket_finalize (JNIEnv *env, jobject obj)
JNIEXPORT void JNICALL Java_org_zmq_Socket_finalize (JNIEnv *env, jobject obj)
{
void *s = (void*) env->GetLongField (obj, socket_handle_fid);
assert (s);
@ -100,8 +79,8 @@ Java_org_zmq_Socket_finalize (JNIEnv *env, jobject obj)
assert (rc == 0);
}
JNIEXPORT void JNICALL
Java_org_zmq_Socket_setHwm (JNIEnv *env, jobject obj, jlong hwm)
JNIEXPORT void JNICALL Java_org_zmq_Socket_setHwm (JNIEnv *env, jobject obj,
jlong hwm)
{
void *s = (void*) env->GetLongField (obj, socket_handle_fid);
assert (s);
@ -110,8 +89,8 @@ Java_org_zmq_Socket_setHwm (JNIEnv *env, jobject obj, jlong hwm)
raise_exception (env, errno);
}
JNIEXPORT void JNICALL
Java_org_zmq_Socket_setLwm (JNIEnv *env, jobject obj, jlong lwm)
JNIEXPORT void JNICALL Java_org_zmq_Socket_setLwm (JNIEnv *env, jobject obj,
jlong lwm)
{
void *s = (void*) env->GetLongField (obj, socket_handle_fid);
assert (s);
@ -121,8 +100,8 @@ Java_org_zmq_Socket_setLwm (JNIEnv *env, jobject obj, jlong lwm)
raise_exception (env, errno);
}
JNIEXPORT void JNICALL
Java_org_zmq_Socket_setSwap (JNIEnv *env, jobject obj, jlong swap_size)
JNIEXPORT void JNICALL Java_org_zmq_Socket_setSwap (JNIEnv *env, jobject obj,
jlong swap_size)
{
void *s = (void*) env->GetLongField (obj, socket_handle_fid);
assert (s);
@ -132,8 +111,8 @@ Java_org_zmq_Socket_setSwap (JNIEnv *env, jobject obj, jlong swap_size)
raise_exception (env, errno);
}
JNIEXPORT void JNICALL
Java_org_zmq_Socket_setMask (JNIEnv *env, jobject obj, jlong mask)
JNIEXPORT void JNICALL Java_org_zmq_Socket_setMask (JNIEnv *env, jobject obj,
jlong mask)
{
void *s = (void*) env->GetLongField (obj, socket_handle_fid);
assert (s);
@ -143,8 +122,8 @@ Java_org_zmq_Socket_setMask (JNIEnv *env, jobject obj, jlong mask)
raise_exception (env, errno);
}
JNIEXPORT void JNICALL
Java_org_zmq_Socket_setAffinity (JNIEnv *env, jobject obj, jlong affinity)
JNIEXPORT void JNICALL Java_org_zmq_Socket_setAffinity (JNIEnv *env,
jobject obj, jlong affinity)
{
void *s = (void*) env->GetLongField (obj, socket_handle_fid);
assert (s);
@ -154,8 +133,8 @@ Java_org_zmq_Socket_setAffinity (JNIEnv *env, jobject obj, jlong affinity)
raise_exception (env, errno);
}
JNIEXPORT void JNICALL
Java_org_zmq_Socket_setIdentity (JNIEnv *env, jobject obj, jstring identity)
JNIEXPORT void JNICALL Java_org_zmq_Socket_setIdentity (JNIEnv *env,
jobject obj, jstring identity)
{
void *s = (void*) env->GetLongField (obj, socket_handle_fid);
assert (s);
@ -176,8 +155,8 @@ Java_org_zmq_Socket_setIdentity (JNIEnv *env, jobject obj, jstring identity)
raise_exception (env, errno);
}
JNIEXPORT void JNICALL
Java_org_zmq_Socket_bind (JNIEnv *env, jobject obj, jstring addr)
JNIEXPORT void JNICALL Java_org_zmq_Socket_bind (JNIEnv *env, jobject obj,
jstring addr)
{
void *s = (void*) env->GetLongField (obj, socket_handle_fid);
assert (s);
@ -188,8 +167,10 @@ Java_org_zmq_Socket_bind (JNIEnv *env, jobject obj, jstring addr)
}
const char *c_addr = env->GetStringUTFChars (addr, NULL);
if (c_addr == NULL)
if (c_addr == NULL) {
raise_exception (env, EINVAL);
return;
}
int rc = zmq_bind (s, c_addr);
env->ReleaseStringUTFChars (addr, c_addr);
@ -198,8 +179,8 @@ Java_org_zmq_Socket_bind (JNIEnv *env, jobject obj, jstring addr)
raise_exception (env, errno);
}
JNIEXPORT void JNICALL
Java_org_zmq_Socket_connect (JNIEnv *env, jobject obj, jstring addr)
JNIEXPORT void JNICALL Java_org_zmq_Socket_connect (JNIEnv *env, jobject obj,
jstring addr)
{
void *s = (void*) env->GetLongField (obj, socket_handle_fid);
assert (s);
@ -210,8 +191,10 @@ Java_org_zmq_Socket_connect (JNIEnv *env, jobject obj, jstring addr)
}
const char *c_addr = env->GetStringUTFChars (addr, NULL);
if (c_addr == NULL)
if (c_addr == NULL) {
raise_exception (env, EINVAL);
return;
}
int rc = zmq_connect (s, c_addr);
env->ReleaseStringUTFChars (addr, c_addr);
@ -220,57 +203,80 @@ Java_org_zmq_Socket_connect (JNIEnv *env, jobject obj, jstring addr)
raise_exception (env, errno);
}
JNIEXPORT jint JNICALL
Java_org_zmq_Socket_send (JNIEnv *env, jobject obj, jobject msg, jlong flags)
JNIEXPORT jboolean JNICALL Java_org_zmq_Socket_send (JNIEnv *env, jobject obj,
jbyteArray msg, jlong flags)
{
void *s = (void*) env->GetLongField (obj, socket_handle_fid);
assert (s);
zmq_msg_t *zmq_msg = (zmq_msg_t *)
env->CallLongMethod (msg, get_msg_handle_mid);
jsize size = env->GetArrayLength (msg);
jbyte *data = env->GetByteArrayElements (msg, 0);
if (env->ExceptionCheck ())
return -1;
zmq_msg_t message;
int rc = zmq_msg_init_size (&message, size);
assert (rc == 0);
memcpy (zmq_msg_data (&message), data, size);
int rc = zmq_send (s, zmq_msg, (int) flags);
env->ReleaseByteArrayElements (msg, data, 0);
rc = zmq_send (s, &message, (int) flags);
if (rc == -1 && errno == EAGAIN) {
rc = zmq_msg_close (&message);
assert (rc == 0);
return JNI_FALSE;
}
if (rc == -1) {
raise_exception (env, errno);
return -1;
rc = zmq_msg_close (&message);
assert (rc == 0);
return JNI_FALSE;
}
return rc;
rc = zmq_msg_close (&message);
assert (rc == 0);
return JNI_TRUE;
}
JNIEXPORT void JNICALL
Java_org_zmq_Socket_flush (JNIEnv *env, jobject obj)
JNIEXPORT void JNICALL Java_org_zmq_Socket_flush (JNIEnv *env, jobject obj)
{
void *s = (void*) env->GetLongField (obj, socket_handle_fid);
assert (s);
zmq_flush (s);
}
int rc = zmq_flush (s);
JNIEXPORT jobject JNICALL
Java_org_zmq_Socket_recv (JNIEnv *env, jobject obj, jlong flags)
{
void *s = (void*) env->GetLongField (obj, socket_handle_fid);
assert (s);
jobject msg = env->NewObject (msg_class, msg_constructor);
if (msg == NULL)
return NULL;
zmq_msg_t *zmq_msg = (zmq_msg_t*)
env->CallLongMethod (msg, get_msg_handle_mid);
if (env->ExceptionCheck ())
return NULL;
int rc = zmq_recv (s, zmq_msg, (int) flags);
if (rc == -1) {
raise_exception (env, errno);
return ;
}
}
JNIEXPORT jbyteArray JNICALL Java_org_zmq_Socket_recv (JNIEnv *env, jobject obj,
jlong flags)
{
void *s = (void*) env->GetLongField (obj, socket_handle_fid);
assert (s);
zmq_msg_t message;
zmq_msg_init (&message);
int rc = zmq_recv (s, &message, (int) flags);
if (rc == -1 && errno == EAGAIN) {
zmq_msg_close (&message);
return NULL;
}
return msg;
if (rc == -1) {
raise_exception (env, errno);
zmq_msg_close (&message);
return NULL;
}
jbyteArray data = env->NewByteArray (zmq_msg_size (&message));
assert (data);
env->SetByteArrayRegion (data, 0, zmq_msg_size (&message),
(jbyte*) zmq_msg_data (&message));
return data;
}

3
java/org/zmq/Context.java
View File

@ -34,6 +34,9 @@ public class Context {
construct (appThreads, ioThreads);
}
/**
* Internal function. Do not use directly!
*/
public native long createSocket (int type);
/** Initialize the JNI interface */

66
java/org/zmq/Message.java
View File

@ -1,66 +0,0 @@
/*
Copyright (c) 2007-2009 FastMQ Inc.
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the Lesser GNU 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
Lesser GNU General Public License for more details.
You should have received a copy of the Lesser GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.zmq;
public class Message {
static {
System.loadLibrary("jzmq");
}
/**
* Class constructor.
*/
public Message () {
construct ();
}
public Message (byte [] payload) {
constructWithData (payload);
}
/**
* Get message payload.
*/
public native byte [] getMsgPayload ();
/**
* Get message type.
*/
public native int getMsgType ();
/**
* Get low-level message handler.
*/
public long getMsgHandle () {
return msgHandle;
}
/** Initialize the JNI interface */
protected native void construct ();
protected native void constructWithData (byte [] payload);
/** Free resources used by JNI driver. */
protected native void finalize ();
/** Opaque data used by JNI driver. */
private long msgHandle;
}

42
java/org/zmq/Socket.java
View File

@ -19,26 +19,26 @@
package org.zmq;
public class Socket {
public class Socket
{
static {
System.loadLibrary("jzmq");
}
public static final int ZMQ_MAX_VSM_SIZE = 30;
public static final int NOBLOCK = 1;
public static final int ZMQ_GAP = 1;
public static final int NOFLUSH = 2;
public static final int ZMQ_DELIMITER = 31;
public static final int P2P = 0;
public static final int ZMQ_NOBLOCK = 1;
public static final int PUB = 1;
public static final int ZMQ_NOFLUSH = 2;
public static final int SUB = 2;
public static final int ZMQ_P2P = 0;
public static final int REQ = 3;
public static final int ZMQ_PUB = 1;
public static final int ZMQ_SUB = 2;
public static final int REP = 4;
/**
* Class constructor.
@ -47,7 +47,6 @@ public class Socket {
* @param type
*/
public Socket (Context context, int type) {
ctx = context;
construct (context, type);
}
@ -94,37 +93,39 @@ public class Socket {
public native void setIdentity (String identity);
/**
* Bind to network interface. Start listening for new connections.
*
* @param addr
*/
public native void bind (String addr);
/**
* Connect.
* Connect to remote application.
*
* @param addr
*/
public native void connect (String addr);
/**
* Send.
* Send the message.
*
* @param message
* @param block
* @param msg
* @param flags
*/
public native int send (Message msg, long flags);
public native boolean send (byte [] msg, long flags);
/**
* Flush all messages sent with flush flag false down the stream.
* Flush the messages down the stream.
*/
public native void flush ();
/**
* Receive message.
*
* @param block
* @param flags
* @return
*/
public native Message recv (long flags);
public native byte [] recv (long flags);
/** Initialize JNI driver */
protected native void construct (Context context, int type);
@ -132,9 +133,6 @@ public class Socket {
/** Free all resources used by JNI driver. */
protected native void finalize ();
/** Keep reference to ZMQ context so it is not garbage collected */
private Context ctx;
/** Opaque data used by JNI driver. */
private long socketHandle;

2
perf/cpp/local_thr.cpp
View File

@ -49,7 +49,7 @@ int main (int argc, char *argv [])
int rc = gettimeofday (&start, NULL);
assert (rc == 0);
for (int i = 0; i != message_count - 1; i++) {
for (int i = 1; i != message_count; i++) {
s.recv (&msg);
assert (msg.size () == message_size);
}

6
perf/cpp/remote_lat.cpp
View File

@ -58,13 +58,13 @@ int main (int argc, char *argv [])
end.tv_sec -= start.tv_sec;
start.tv_sec = 0;
double usec_elapsed = (end.tv_sec * 1000000 + end.tv_usec) -
double elapsed = (end.tv_sec * 1000000 + end.tv_usec) -
(start.tv_sec * 1000000 + start.tv_usec);
double latency = usec_elapsed / (roundtrip_count * 2);
double latency = elapsed / (roundtrip_count * 2);
printf ("message size: %d [B]\n", (int) message_size);
printf ("roundtrip count: %d\n", (int) roundtrip_count);
printf ("average latency: %.3f [us]\n", (double) latency);
printf ("mean latency: %.3f [us]\n", (double) latency);
return 0;
}

55
perf/java/local_lat.java Normal file
View File

@ -0,0 +1,55 @@
/*
Copyright (c) 2007-2009 FastMQ Inc.
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the Lesser GNU 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
Lesser GNU General Public License for more details.
You should have received a copy of the Lesser GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import org.zmq.*;
class local_lat
{
public static void main (String [] args)
{
if (args.length != 3) {
System.out.println ("usage: local_lat <bind-to> " +
"<message-size> <roundtrip-count>");
return;
}
String bindTo = args [0];
int messageSize = Integer.parseInt (args [1]);
int roundtripCount = Integer.parseInt (args [2]);
org.zmq.Context ctx = new org.zmq.Context (1, 1);
org.zmq.Socket s = new org.zmq.Socket (ctx, org.zmq.Socket.REP);
s.bind (bindTo);
for (int i = 0; i != roundtripCount; i++) {
byte [] data = s.recv (0);
assert (data.length == messageSize);
s.send (data, 0);
}
try {
Thread.sleep (1000);
}
catch (InterruptedException e) {
e.printStackTrace ();
}
}
}

65
perf/java/local_thr.java Normal file
View File

@ -0,0 +1,65 @@
/*
Copyright (c) 2007-2009 FastMQ Inc.
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the Lesser GNU 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
Lesser GNU General Public License for more details.
You should have received a copy of the Lesser GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import org.zmq.*;
class local_thr
{
public static void main (String [] args)
{
if (args.length != 3) {
System.out.println ("usage: local_thr <bind-to> " +
"<message size> <message count>");
return;
}
String bindTo = args [0];
long messageSize = Integer.parseInt (args [1]);
long messageCount = Integer.parseInt (args [2]);
org.zmq.Context ctx = new org.zmq.Context (1, 1);
org.zmq.Socket s = new org.zmq.Socket (ctx, org.zmq.Socket.SUB);
s.bind (bindTo);
byte [] data = s.recv (0);
assert (data.length == messageSize);
long start = System.currentTimeMillis ();
for (int i = 1; i != messageCount; i ++) {
data = s.recv (0);
assert (data.length == messageSize);
}
long end = System.currentTimeMillis ();
long elapsed = (end - start) * 1000;
if (elapsed == 0)
elapsed = 1;
long throughput = messageCount * 1000000 / elapsed;
double megabits = (double) (throughput * messageSize * 8) / 1000000;
System.out.println ("message size: " + messageSize + " [B]");
System.out.println ("message count: " + messageCount);
System.out.println ("mean throughput: " + throughput + "[msg/s]");
System.out.println ("mean throughput: " + megabits + "[Mb/s]");
}
}

60
perf/java/remote_lat.java Normal file
View File

@ -0,0 +1,60 @@
/*
Copyright (c) 2007-2009 FastMQ Inc.
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the Lesser GNU 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
Lesser GNU General Public License for more details.
You should have received a copy of the Lesser GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import org.zmq.*;
class remote_lat
{
public static void main (String [] args)
{
if (args.length != 3) {
System.out.println ("usage: remote_lat <connect-to> " +
"<message size> <roundtrip count>");
return;
}
String connectTo = args [0];
int messageSize = Integer.parseInt (args [1]);
int roundtripCount = Integer.parseInt (args [2]);
org.zmq.Context ctx = new org.zmq.Context (1, 1);
org.zmq.Socket s = new org.zmq.Socket (ctx, org.zmq.Socket.REQ);
s.connect (connectTo);
long start = System.currentTimeMillis ();
byte data [] = new byte [messageSize];
for (int i = 0; i != roundtripCount; i ++) {
s.send (data, 0);
data = s.recv (0);
assert (data.length == messageSize);
}
long end = System.currentTimeMillis ();
long elapsed = (end - start) * 1000;
double latency = (double) elapsed / roundtripCount / 2;
System.out.println ("message size: " + messageSize + " [B]");
System.out.println ("roundtrip count: " + roundtripCount);
System.out.println ("mean latency: " + latency + " [us]");
}
}

53
perf/java/remote_thr.java Normal file
View File

@ -0,0 +1,53 @@
/*
Copyright (c) 2007-2009 FastMQ Inc.
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the Lesser GNU 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
Lesser GNU General Public License for more details.
You should have received a copy of the Lesser GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import org.zmq.*;
class remote_thr
{
public static void main (String [] args)
{
if (args.length != 3) {
System.out.println ("usage: remote_thr <connect-to> " +
"<message-size> <message-count>");
return;
}
// Parse the command line arguments.
String connectTo = args [0];
int messageSize = Integer.parseInt (args [1]);
int messageCount = Integer.parseInt (args [2]);
org.zmq.Context ctx = new org.zmq.Context (1, 1);
org.zmq.Socket s = new org.zmq.Socket (ctx, org.zmq.Socket.PUB);
s.connect (connectTo);
byte msg [] = new byte [messageSize];
for (int i = 0; i != messageCount; i++)
s.send (msg, 0);
try {
Thread.sleep (10000);
}
catch (InterruptedException e) {
e.printStackTrace ();
}
}
}