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package mpjdev.buffertest;
import mpjdev.*;
import mpjbuf.*;
/**
* This checks the gathering/scattering of the Java objects.
*/
public class BufferTest7 {
static public void main(String[] args) throws Exception {
try {
BufferTest7 a = new BufferTest7(args);
}
catch (Exception e) {
}
}
public BufferTest7() {
}
public BufferTest7(String[] args) throws Exception {
String[] nargs = new String[args.length + 1];
System.arraycopy(args, 0, nargs, 0, args.length);
nargs[args.length] = this.toString();
MPJDev.init(args);
int indexes[] = { 2, 4, 6, 8, 12, 14, 16, 18, 22, 24, 26, 28, 32, 34, 36,
38, 42, 44, 46, 48, 52, 54, 56, 58, 62, 64, 66, 68, 72, 74, 76, 78, 82,
84, 86, 88, 92, 94, 96, 98 };
int id = MPJDev.WORLD.id();
int size = MPJDev.WORLD.size();
if (size > 2) {
if (id == 1)
System.out.println("BufferTest7: Must run with 2 tasks!");
MPJDev.finish();
return;
}
int SEND_OVERHEAD = MPJDev.getSendOverhead();
int RECV_OVERHEAD = MPJDev.getRecvOverhead();
java.util.Vector vector1 = null;
java.util.Vector vector = new java.util.Vector();
for (int k = 0; k < 10; k++) {
vector.add("" + k);
}
if (MPJDev.WORLD.id() == 0) {
Object[] source = new Object[100];
for (int k = 0; k < source.length; k++) {
source[k] = vector;
}
Buffer writeBuffer = new Buffer(BufferFactory.create(8 + SEND_OVERHEAD),
SEND_OVERHEAD, 8 + SEND_OVERHEAD);
writeBuffer.putSectionHeader(Type.OBJECT);
writeBuffer.gather(source, 40, 0, indexes);
writeBuffer.commit();
MPJDev.WORLD.send(writeBuffer, 1, 992, true);
// System.out.println("Send Completed");
writeBuffer.clear();
BufferFactory.destroy(writeBuffer.getStaticBuffer());
} else if (MPJDev.WORLD.id() == 1) {
Buffer readBuffer = new Buffer(BufferFactory.create(8 + RECV_OVERHEAD),
RECV_OVERHEAD, 8 + RECV_OVERHEAD);
Object[] source = new Object[100];
for (int k = 0; k < source.length; k++) {
source[k] = null;
}
MPJDev.WORLD.recv(readBuffer, 0, 992, true);
readBuffer.commit();
readBuffer.getSectionHeader();
int els = readBuffer.getSectionSize();
// System.out.println(" els " + els);
try {
readBuffer.scatter(source, 40, 0, indexes);
// System.out.println("Receive Completed ");
}
catch (Exception e) {
e.printStackTrace();
}
BufferFactory.destroy(readBuffer.getStaticBuffer());
System.out.println("BufferTest7 TEST Completed (?)");
/*
* for (int j = 0; j < source.length; j++) { System.out.println("source["
* + j + "] :: " + source[j]); }
*/
}
// This should be the last call, in order to finish the communication
// try { MPJDev.WORLD.barrier(); }catch(Exception e){}
MPJDev.finish();
}
}
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