Hello world!

By admin

Welcome to GridColony.com.

Pada dunia komputasi konvensional, beginilah cara membuat program Hello World dalam bahasa C:

  1. #include <stdio.h>;
  2.  
  3. void main(){
  4.  
  5.   printf("Hello World!\r\n");
  6.  
  7. }

Lalu bagaimana menulis program Hello World di dunia komputer paralel?

Nah, silakan lihat artikel-artikel parallel computing selanjutnya di GridColony.com

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7 comments
Posted in Uncategorized
Written on Wed, 12 March 2008 at 4:44 am
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7 Responses to “Hello world!”

  1. Danil Says:
    March 29th, 2008 at 3:32 am

    Ok, Ebonk, ntar saya buka2 lagi primbon komputasi paralel yang saya punya (PVM).

  2. admin Says:
    March 29th, 2008 at 7:02 am

    Oke, Danil. Ayo kita mainkan. Dulu gw punya bukunya yang bahasa Indonesia, masih punya ngga?

  3. jimmy Says:
    April 1st, 2008 at 8:11 am

    gw ada tuh…..bukunya…

  4. admin Says:
    April 2nd, 2008 at 1:44 am

    Pinjem dong. Gw punya buku-buku parallel computing tapi bahasa Inggris semua.

  5. bho Says:
    May 2nd, 2008 at 10:37 pm

    kalau gak salah

    di openmp

    void main() {
  #pragma omp parallel
  {
     printf("Hello World!\r\n");
  {
}

    di mpi

    void main(int argc, char** argv) {
  int rank;
  MPI_Init(&argc, &argv);
  MPI_Comm_rank(MPI_COMM_WORLD, rank);

  printf("Hello world, from rank %d\n", rank);
}

    kalau salah ya… maap… :)

    kayanya blog ini makin menarik nih.

  6. bhu Says:
    May 3rd, 2008 at 3:05 am

    bung bho…

    hanya mau nambahin aja dikit… di bagian akhir dari code yg buat MPI, tambahin
    “MPI_Finalize();”

    void main(int argc, char** argv) {
int rank;
MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, rank);

printf(”Hello world, from rank %d\n”, rank);

MPI_Finalize();
}
  7. Danil Says:
    May 5th, 2008 at 1:42 am

    Klo di PVM seperti ini …. (nyontek dari PVM sample)

    Untuk master :

    #include
#include "pvm3.h"

main()
{
	int cc, tid;
	char buf[100];

	printf(”i’m t%x\n”, pvm_mytid());

	cc = pvm_spawn(”hello_other”, (char**)0, 0, “”, 1, &tid);

	if (cc == 1) {
		cc = pvm_recv(-1, -1);
		pvm_bufinfo(cc, (int*)0, (int*)0, &tid);
		pvm_upkstr(buf);
		printf(”from t%x: %s\n”, tid, buf);

	} else
		printf(”can’t start hello_other\n”);

	pvm_exit();
	exit(0);
}

    untuk Slave :

    #include "pvm3.h"

main()
{
	int ptid;
	char buf[100];

	ptid = pvm_parent();

	strcpy(buf, “hello, world from “);
	gethostname(buf + strlen(buf), 64);

	pvm_initsend(PvmDataDefault);
	pvm_pkstr(buf);
	pvm_send(ptid, 1);

	pvm_exit();
	exit(0);
}

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