buffertestdyna1.java

MPI for java for Distributed Programming

package mpjdev.buffertest;

import mpjdev.*;
import mpjbuf.*;

public class BufferTestDyna1 {

  public static void main(String args[]) throws Exception {
  }

  public BufferTestDyna1() {
  }

  public BufferTestDyna1(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 DATA_SIZE = 100;
    int h = 10;

    int id = MPJDev.WORLD.id();
    int size = MPJDev.WORLD.size();

    if(size > 2) {
      if(id == 1) {
        System.out.println("BufferTestDyna1: Must run with 2 tasks!");      
      }
      //MPJDev.WORLD.barrier();
      MPJDev.finish();
      return;
    }

    int SEND_OVERHEAD = MPJDev.getSendOverhead() ;
    int RECV_OVERHEAD = MPJDev.getRecvOverhead() ;

    if (MPJDev.WORLD.id() == 0) {

      /********* THINGS TO BE SENT ******************/

      int intArray[] = new int[DATA_SIZE];
      float floatArray[] = new float[DATA_SIZE];
      double doubleArray[] = new double[DATA_SIZE];
      long longArray[] = new long[DATA_SIZE];
      boolean booleanArray[] = new boolean[DATA_SIZE];
      short shortArray[] = new short[DATA_SIZE];
      char charArray[] = new char[DATA_SIZE];
      byte byteArray[] = new byte[DATA_SIZE];

      for (int i = 0; i < DATA_SIZE; i++) {
        intArray[i] = i + 1;
        floatArray[i] = i + 11;
        doubleArray[i] = i + 11.11;
        longArray[i] = i + 11;
        booleanArray[i] = true;
        shortArray[i] = 1;
        charArray[i] = 's';
        byteArray[i] = 's';
      }

     
      Buffer byteBuffer = new Buffer( 
                BufferFactory.create(8 + SEND_OVERHEAD),
	        SEND_OVERHEAD, 8+ SEND_OVERHEAD );
      byteBuffer.putSectionHeader(Type.BYTE_DYNAMIC);
      byteBuffer.write(byteArray, 0, DATA_SIZE); //write the array of DATA_SIZE bytes
      byteBuffer.commit();

      
      Buffer charBuffer = new Buffer(
               BufferFactory.create(8 + SEND_OVERHEAD),
	       SEND_OVERHEAD, 8+ SEND_OVERHEAD );
						 
      charBuffer.putSectionHeader(Type.CHAR_DYNAMIC);
      charBuffer.write(charArray, 0, DATA_SIZE); //write the array of DATA_SIZE char
      charBuffer.commit();

      
      Buffer intBuffer = new Buffer(
               BufferFactory.create(8 + SEND_OVERHEAD),                                        SEND_OVERHEAD, 8+ SEND_OVERHEAD );
	       
      intBuffer.putSectionHeader(Type.INT_DYNAMIC);
      intBuffer.write(intArray, 0, DATA_SIZE); //write the array of DATA_SIZE char
      intBuffer.commit();

      //System.out.println("Writing shortBuffer");
      Buffer shortBuffer = new Buffer(
                BufferFactory.create(8 + SEND_OVERHEAD),                                        SEND_OVERHEAD, 8+ SEND_OVERHEAD );
		
      shortBuffer.putSectionHeader(Type.SHORT_DYNAMIC);
      shortBuffer.write(shortArray, 0, DATA_SIZE);
      shortBuffer.commit();

      //System.out.println("Writing booleanBuffer");
      Buffer booleanBuffer = new Buffer(
                BufferFactory.create(8 + SEND_OVERHEAD),                                        SEND_OVERHEAD, 8+ SEND_OVERHEAD );
		
      booleanBuffer.putSectionHeader(Type.BOOLEAN_DYNAMIC);
      booleanBuffer.write(booleanArray, 0, DATA_SIZE);
      booleanBuffer.commit();

      //System.out.println("Writing long Buffer");
      Buffer longBuffer = new Buffer(
                BufferFactory.create(8 + SEND_OVERHEAD),                                        SEND_OVERHEAD, 8+ SEND_OVERHEAD );
		
      longBuffer.putSectionHeader(Type.LONG_DYNAMIC);
      longBuffer.write(longArray, 0, DATA_SIZE);
      longBuffer.commit();

      //System.out.println("Writing double buffer");
      Buffer doubleBuffer = new Buffer(
                 BufferFactory.create(8 + SEND_OVERHEAD),                                        SEND_OVERHEAD, 8+ SEND_OVERHEAD );
		 
      doubleBuffer.putSectionHeader(Type.DOUBLE_DYNAMIC);
      doubleBuffer.write(doubleArray, 0, DATA_SIZE);
      doubleBuffer.commit();

      //System.out.println("Writing float Buffer");
      Buffer floatBuffer = new Buffer(
                  BufferFactory.create(8 + SEND_OVERHEAD),                                        SEND_OVERHEAD, 8+ SEND_OVERHEAD );
		  
      floatBuffer.putSectionHeader(Type.FLOAT_DYNAMIC);
      floatBuffer.write(floatArray, 0, DATA_SIZE);
      floatBuffer.commit();
      //uses blocking send to
      MPJDev.WORLD.send(intBuffer, 1, (1 + (h * 10)), true);
      MPJDev.WORLD.send(byteBuffer, 1, (2 + (h * 10)), true);
      MPJDev.WORLD.send(charBuffer, 1, (3 + (h * 10)), true);
      MPJDev.WORLD.send(doubleBuffer, 1, (4 + (h * 10)), true);
      MPJDev.WORLD.send(longBuffer, 1, (5 + (h * 10)), true);
      MPJDev.WORLD.send(booleanBuffer, 1, (6 + (h * 10)), true);
      MPJDev.WORLD.send(shortBuffer, 1, (7 + (h * 10)), true);
      MPJDev.WORLD.send(floatBuffer, 1, (8 + (h * 10)), true);
      //System.out.println("Send Completed \n\n");
      
      BufferFactory.destroy(intBuffer.getStaticBuffer() );
      BufferFactory.destroy(charBuffer.getStaticBuffer() );
      BufferFactory.destroy(shortBuffer.getStaticBuffer() );
      BufferFactory.destroy(longBuffer.getStaticBuffer()  );
      BufferFactory.destroy(booleanBuffer.getStaticBuffer()  );
      BufferFactory.destroy(floatBuffer.getStaticBuffer()  );
      BufferFactory.destroy(byteBuffer.getStaticBuffer()  );
      BufferFactory.destroy(doubleBuffer.getStaticBuffer()  );

    }
    else if (MPJDev.WORLD.id() == 1) {

      /********* THINGS TO BE READ ****************/
      int intReadArray[] = new int[DATA_SIZE];
      float floatReadArray[] = new float[DATA_SIZE];
      double doubleReadArray[] = new double[DATA_SIZE];
      long longReadArray[] = new long[DATA_SIZE];
      boolean booleanReadArray[] = new boolean[DATA_SIZE];
      short shortReadArray[] = new short[DATA_SIZE];
      char charReadArray[] = new char[DATA_SIZE];
      byte byteReadArray[] = new byte[DATA_SIZE];

      for (int i = 0; i < intReadArray.length; i++) {
        intReadArray[i] = 3;
        floatReadArray[i] = i + 19;
        doubleReadArray[i] = i + 99.11;
        longReadArray[i] = i + 9;
        booleanReadArray[i] = false;
        shortReadArray[i] = 2;
        charReadArray[i] = 'x';
        byteReadArray[i] = 'x';
      }

      Buffer intBuffer = new Buffer(
                  BufferFactory.create(8 + RECV_OVERHEAD),                                        RECV_OVERHEAD, 8+ RECV_OVERHEAD );
		  
      Buffer floatBuffer = new Buffer(
                  BufferFactory.create(8 + RECV_OVERHEAD),                                        RECV_OVERHEAD, 8+ RECV_OVERHEAD );
		  
      Buffer doubleBuffer = new Buffer(
		   BufferFactory.create(8 + RECV_OVERHEAD),                                        RECV_OVERHEAD, 8+ RECV_OVERHEAD );
		   
      Buffer shortBuffer = new Buffer(
		   BufferFactory.create(8 + RECV_OVERHEAD),                                        RECV_OVERHEAD, 8+ RECV_OVERHEAD );
		   
      Buffer booleanBuffer = new Buffer(
                    BufferFactory.create(8 + RECV_OVERHEAD),                                        RECV_OVERHEAD, 8+ RECV_OVERHEAD );
		    
      Buffer charBuffer = new Buffer(
                    BufferFactory.create(8 + RECV_OVERHEAD),                                        RECV_OVERHEAD, 8+ RECV_OVERHEAD );
		    
      Buffer longBuffer = new Buffer(
                     BufferFactory.create(8 + RECV_OVERHEAD),                                        RECV_OVERHEAD, 8+ RECV_OVERHEAD );
		     
      Buffer byteBuffer = new Buffer(
                      BufferFactory.create(8 + RECV_OVERHEAD),                                        RECV_OVERHEAD, 8+ RECV_OVERHEAD );
		      

      //System.out.println("Receving ints ");
      MPJDev.WORLD.recv(intBuffer, 0, (1 + (h * 10)), true);
      //System.out.println("Receving bytes");
      MPJDev.WORLD.recv(byteBuffer, 0, (2 + (10 * h)), true);
      //System.out.println("Receving chars");
      MPJDev.WORLD.recv(charBuffer, 0, (3 + (10 * h)), true);
      //System.out.println("Receving doubles");
      MPJDev.WORLD.recv(doubleBuffer, 0, (4 + (10 * h)), true);
      //System.out.println("Receving longs");
      MPJDev.WORLD.recv(longBuffer, 0, (5 + (10 * h)), true);
      //System.out.println("Receving bools");
      MPJDev.WORLD.recv(booleanBuffer, 0, (6 + (10 * h)), true);
      //System.out.println("Receving shorts");
      MPJDev.WORLD.recv(shortBuffer, 0, (7 + (10 * h)), true);
      //System.out.println("Receving floats");
      MPJDev.WORLD.recv(floatBuffer, 0, (8 + (10 * h)), true);

      intBuffer.commit();
      floatBuffer.commit();
      doubleBuffer.commit();
      longBuffer.commit();
      shortBuffer.commit();
      byteBuffer.commit();
      booleanBuffer.commit();
      charBuffer.commit();

      try {
        intBuffer.getSectionHeader();
        intBuffer.getSectionSize();
        floatBuffer.getSectionHeader();
        floatBuffer.getSectionSize();
        doubleBuffer.getSectionHeader();
        doubleBuffer.getSectionSize();
        longBuffer.getSectionHeader();
        longBuffer.getSectionSize();
        shortBuffer.getSectionHeader();
        shortBuffer.getSectionSize();
        byteBuffer.getSectionHeader();
        byteBuffer.getSectionSize();
        booleanBuffer.getSectionHeader();
        booleanBuffer.getSectionSize();
        charBuffer.getSectionHeader();
        charBuffer.getSectionSize();

        //System.out.println("Read Int");
        intBuffer.read(intReadArray, 0, DATA_SIZE);
        //System.out.println("Reading Float");
        floatBuffer.read(floatReadArray, 0, DATA_SIZE);
        //System.out.println("Reading Double");
        doubleBuffer.read(doubleReadArray, 0, DATA_SIZE);
        //System.out.println("Reading Long");
        longBuffer.read(longReadArray, 0, DATA_SIZE);
        //System.out.println("Reading Short");
        shortBuffer.read(shortReadArray, 0, DATA_SIZE);
        //System.out.println("Reading Char");
        charBuffer.read(charReadArray, 0, DATA_SIZE);
        //System.out.println("Reading Byte");
        byteBuffer.read(byteReadArray, 0, DATA_SIZE);
        //System.out.println("Reading Boolean");
        booleanBuffer.read(booleanReadArray, 0, DATA_SIZE);
      }
      catch (Exception e) {
        e.printStackTrace();
      }   

      BufferFactory.destroy(intBuffer.getStaticBuffer() );
      BufferFactory.destroy(charBuffer.getStaticBuffer() );
      BufferFactory.destroy(shortBuffer.getStaticBuffer() );
      BufferFactory.destroy(longBuffer.getStaticBuffer()  );
      BufferFactory.destroy(booleanBuffer.getStaticBuffer()  );
      BufferFactory.destroy(floatBuffer.getStaticBuffer()  );
      BufferFactory.destroy(byteBuffer.getStaticBuffer()  );
      BufferFactory.destroy(doubleBuffer.getStaticBuffer()  );		      

      System.out.println("BufferTestDyna1 TEST Completed (?)");
    }    

 //   MPJDev.WORLD.barrier();
    MPJDev.finish();

  }
}