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package buffertest;
import mpjdev.*;
import mpjbuf.*;
public class BufferTestDyna2 {
public static void main(String args[]) throws Exception {
//the first call will always be init()
MPJDev.init(args);
if (MPJDev.WORLD.id() == 0) {
/********* THINGS TO BE SENT ******************/
int intArray[] = new int[100];
for (int j = 0; j < intArray.length; j++) {
intArray[j] = j + 1;
}
float floatArray[] = new float[100];
for (int i = 0; i < floatArray.length; i++) {
floatArray[i] = i + 11;
}
double doubleArray[] = new double[100];
for (int i = 0; i < doubleArray.length; i++) {
doubleArray[i] = i + 11.11;
}
long longArray[] = new long[100];
for (int i = 0; i < longArray.length; i++) {
longArray[i] = i + 11;
}
boolean booleanArray[] = new boolean[100];
for (int i = 0; i < booleanArray.length; i++) {
booleanArray[i] = true;
}
short shortArray[] = new short[100];
for (int i = 0; i < shortArray.length; i++) {
shortArray[i] = 1;
}
char charArray[] = new char[100];
for (int i = 0; i < charArray.length; i++) {
charArray[i] = 's';
}
byte byteArray[] = new byte[100];
for (int i = 0; i < byteArray.length; i++) {
byteArray[i] = 's';
}
/********* PACKING OF THE BUFFER *****************/ Buffer buffer = new
Buffer( (8 * 8));
buffer.putSectionHeader(Buffer.BYTE_DYNAMIC);
buffer.write(byteArray, 0, 100); //writes the first section
buffer.putSectionHeader(Buffer.CHAR_DYNAMIC);
buffer.write(charArray, 0, 100); //writes teh second section
buffer.putSectionHeader(Buffer.INT_DYNAMIC);
buffer.write(intArray, 0, 100); // and so on ....
buffer.putSectionHeader(Buffer.SHORT_DYNAMIC);
buffer.write(shortArray, 0, 100);
buffer.putSectionHeader(Buffer.BOOLEAN_DYNAMIC);
buffer.write(booleanArray, 0, 100);
buffer.putSectionHeader(Buffer.LONG_DYNAMIC);
buffer.write(longArray, 0, 100);
buffer.putSectionHeader(Buffer.DOUBLE_DYNAMIC);
buffer.write(doubleArray, 0, 100);
buffer.putSectionHeader(Buffer.FLOAT_DYNAMIC);
buffer.write(floatArray, 0, 100);
/********* PACKING OF THE BUFFER *****************/
buffer.commit();
MPJDev.WORLD.send(buffer, 1, 999); //Buffer, destinationRank, tag (make sure you have matchin recv also called)
System.out.println("Send Completed \n\n");
}
else if (MPJDev.WORLD.id() == 1) {
/********* THINGIES TO BE READ ******************/
int intReadArray[] = new int[100];
for (int j = 0; j < intReadArray.length; j++) {
intReadArray[j] = 3;
}
float floatReadArray[] = new float[100];
for (int i = 0; i < floatReadArray.length; i++) {
floatReadArray[i] = i + 19;
}
double doubleReadArray[] = new double[100];
for (int i = 0; i < doubleReadArray.length; i++) {
doubleReadArray[i] = i + 99.11;
}
long longReadArray[] = new long[100];
for (int i = 0; i < longReadArray.length; i++) {
longReadArray[i] = i + 9;
}
boolean booleanReadArray[] = new boolean[100];
for (int i = 0; i < booleanReadArray.length; i++) {
booleanReadArray[i] = false;
}
short shortReadArray[] = new short[100];
for (int i = 0; i < shortReadArray.length; i++) {
shortReadArray[i] = 2;
}
char charReadArray[] = new char[100];
for (int i = 0; i < charReadArray.length; i++) {
charReadArray[i] = 'x';
}
byte byteReadArray[] = new byte[100];
for (int i = 0; i < byteReadArray.length; i++) {
byteReadArray[i] = 'x';
}
/********* THINGIES TO BE READ ******************/
//Same rules as above apply here as well. For the size of the things.
Buffer buffer = new Buffer( (8 * 8));
MPJDev.WORLD.recv(buffer, 0, 999);
buffer.commit();
try {
System.out.println("Read byte array");
buffer.getSectionHeader(Buffer.BYTE_DYNAMIC);
buffer.read(byteReadArray, 0, 100); //reads the first section
System.out.println("Read char array");
buffer.getSectionHeader(Buffer.CHAR_DYNAMIC);
buffer.read(charReadArray, 0, 100); //reads the second section
System.out.println("Read int array");
buffer.getSectionHeader(Buffer.INT_DYNAMIC);
buffer.read(intReadArray, 0, 100); // and so on ....
System.out.println("Read short array");
buffer.getSectionHeader(Buffer.SHORT_DYNAMIC);
buffer.read(shortReadArray, 0, 100);
System.out.println("Read boolean array");
buffer.getSectionHeader(Buffer.BOOLEAN_DYNAMIC);
buffer.read(booleanReadArray, 0, 100);
System.out.println("Read long array");
buffer.getSectionHeader(Buffer.LONG_DYNAMIC);
buffer.read(longReadArray, 0, 100);
System.out.println("Read double array");
buffer.getSectionHeader(Buffer.DOUBLE_DYNAMIC);
buffer.read(doubleReadArray, 0, 100);
System.out.println("Read float array");
buffer.getSectionHeader(Buffer.FLOAT_DYNAMIC);
buffer.read(floatReadArray, 0, 100);
}
catch (Exception e) {
e.printStackTrace();
MPJDev.finish();
}
System.out.print(
"\t********* DISPLAYING THE INT ARRAY READ *********\n\n");
for (int j = 0; j < intReadArray.length; j++) {
System.out.print("int[" + j + "]=" + intReadArray[j] + "\t");
}
System.out.print(
"\t******** DISPLAYING THE FLOAT ARRAY READ ********\n\n");
for (int j = 0; j < floatReadArray.length; j++) {
System.out.print("float[" + j + "]=" + floatReadArray[j] + "\t");
}
System.out.print(
"\t******* DISPLAYING THE DOUBLE ARRAY READ ********\n\n");
for (int j = 0; j < doubleReadArray.length; j++) {
System.out.print("double[" + j + "]=" + doubleReadArray[j] + "\t");
}
System.out.print("\t******** DISPLAYING THE LONG ARRAY READ ********\n\n");
for (int j = 0; j < longReadArray.length; j++) {
System.out.print("long[" + j + "]=" + longReadArray[j] + "\t");
}
System.out.print(
"\t******** DISPLAYING THE SHORT ARRAY READ ********\n\n");
for (int j = 0; j < shortReadArray.length; j++) {
System.out.print("short[" + j + "]=" + shortReadArray[j] + "\t");
}
System.out.print(
"\t******** DISPLAYING THE FLOAT ARRAY READ ********\n\n");
for (int j = 0; j < charReadArray.length; j++) {
System.out.print("char[" + j + "]=" + charReadArray[j] + "\t");
}
System.out.print("\t******** DISPLAYING THE BYTE ARRAY READ ********\n\n");
for (int j = 0; j < byteReadArray.length; j++) {
System.out.print("byte[" + j + "]=" + byteReadArray[j] + "\t");
}
System.out.print(
"\t******** DISPLAYING THE BOOLEAN ARRAY READ ********\n\n");
for (int j = 0; j < booleanReadArray.length; j++) {
System.out.print("boolean[" + j + "]=" + booleanReadArray[j] + "\t");
}
System.out.println("Receive Completed \n\n");
}
//This should be the last call, in order to finish the communication
MPJDev.finish();
}
}
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