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package buffertest;
import mpjdev.*;
import mpjbuf.*;
/**
* This checks the gathering/scattering of the Java objects.
*/
public class BufferTest7 {
public static void main(String args[]) throws Exception {
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};
//the first call will always be init()
MPJDev.init(args);
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(8);
writeBuffer.putSectionHeader(Buffer.OBJECT);
writeBuffer.gather(source, 40, 0, indexes);
writeBuffer.commit();
MPJDev.WORLD.send(writeBuffer, 1, 992);
System.out.println("Send Completed");
writeBuffer.clear();
}
else if (MPJDev.WORLD.id() == 1) {
Buffer readBuffer = new Buffer(8);
Object[] source = new Object[100];
for (int k = 0; k < source.length; k++) {
source[k] = null;
}
MPJDev.WORLD.recv(readBuffer, 0, 992);
readBuffer.commit();
int els = readBuffer.getSectionHeader(Buffer.OBJECT);
System.out.println(" els " + els);
try {
readBuffer.scatter(source, 40, 0, indexes);
System.out.println("Receive Completed ");
}
catch (Exception e) {
e.printStackTrace();
}
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
//MPJDev.WORLD.nbarrier();
MPJDev.finish();
}
}
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