3-topshiriq

4-TOPSHIRIQ
1. Ikkita jarayondan uchinchi jarayonga istalgan tipdagi bir xil teg orqali ma'lumot jo'nating va uni MPI_ANY_SOURCE ni ishlatgan holda qabul qiling. va uni ekranga chiqaring.Ma'lumot qaysi jarayondan qabul qilinganligini izohlang.

#include "mpi.h"

#include
using namespace std;
int main(int argc, char **argv)
{
int rank;
double a, b, c;
MPI_Status status;
MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
a = 0.0; b = 0.0, c=0.0;
if (rank == 0) {
b=778.80;
MPI_Send(&b, 1, MPI_DOUBLE,2,7, MPI_COMM_WORLD);
}
if (rank == 1) {
a=378.876;
MPI_Send(&a, 1, MPI_DOUBLE,2,7, MPI_COMM_WORLD);
}
if (rank == 2) {
MPI_Recv(&c, 1, MPI_DOUBLE, MPI_ANY_SOURCE,7, MPI_COMM_WORLD,&status);

}
cout << " process " << rank << " a = " << a << " b = " << b << " c = "<< c<
MPI_Finalize();

2.Ikkita jarayondan uchinchi jarayonga bitta manzilga istalgan tipdagi va turli tegdagi ma'lumot jo'nating va uni MPI_ANY_TAG ni ishlatgan holda qabul qiling va ma'lumotni ekranga chiqaring.Ma'lumot qaysi jarayondan qabul qilinganligini izohlang.
#include "mpi.h"
#include
using namespace std;
int main(int argc, char **argv)
{
int rank;
float a, b, c;
MPI_Status status;
MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD,&rank);
a = 0.0; b = 0.0, c=0.0;
if (rank == 0) {
b=4.87;
MPI_Send(&b,1,MPI_FLOAT,2,5,MPI_COMM_WORLD);
}
if (rank == 1) {
a=3.906;
MPI_Send(&a,1,MPI_FLOAT,2,4,MPI_COMM_WORLD);
}
if (rank == 2) {
MPI_Recv(&c,1,MPI_FLOAT,0,MPI_ANY_TAG,MPI_COMM_WORLD,&status);
MPI_Recv(&c,1,MPI_FLOAT,1,MPI_ANY_TAG,MPI_COMM_WORLD,&status);
}
cout << " process " << rank << " \ta = " << a << " \tb = " << b <<" \tc="<MPI_Finalize();
}

3.Bir jarayon orqali bir nechta jarayonlardan MPI_ANY_SOURCE va MPI_ANY_TAG dan foydalangan holda xabarlar qabul qiling va natijani izohlang

#include "mpi.h"
#include
using namespace std;
int main(int argc, char **argv)
{
int rank;
int a, b, c, d;
MPI_Status status;
MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
a = 0.0; b = 0.0, c=0.0, d=0.0;
if (rank == 0) {
a=8.0;
MPI_Send(&a, 1, MPI_INT, 3, 5, MPI_COMM_WORLD);
}
if (rank == 1) {
b=6.0;
MPI_Send(&b, 1, MPI_INT, 3, 6, MPI_COMM_WORLD);
}
if (rank == 2) {
c=97.0;
MPI_Send(&c, 1, MPI_INT, 3, 7, MPI_COMM_WORLD);
}
if (rank == 3) {
MPI_Recv(&d, 1, MPI_INT, MPI_ANY_SOURCE,MPI_ANY_TAG,MPI_COMM_WORLD,&status);
MPI_Recv(&d, 1, MPI_INT, MPI_ANY_SOURCE,MPI_ANY_TAG,MPI_COMM_WORLD,&status);
MPI_Recv(&d, 1, MPI_INT, MPI_ANY_SOURCE,MPI_ANY_TAG,MPI_COMM_WORLD,&status);
}
cout << " process " << rank << " \ta = " << a << " \tb = " << b <<" \tc = " <<
c <<"\td= " << d <MPI_Finalize();
}

4. Bir jarayondan ikkinchi jarayonga xabar jo'nating va qabul qilingan xabar uzunligini MPI_Get_Count funksiyasi orqali aniqlang.
#include "mpi.h"
#include
using namespace std;
int main(int argc, char**argv)
{
int rank;
float a; MPI_Status status;
int count=0;
MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
a = 0.0;
if (rank == 1) {
a = 1.0;
MPI_Send(&a, 1, MPI_FLOAT, 2, 5, MPI_COMM_WORLD);
}
if (rank == 2) {
MPI_Recv(&a, 1, MPI_FLOAT, 1, 5, MPI_COMM_WORLD, &status);
MPI_Get_count(&status, MPI_INT,&count);
}
MPI_Get_count(&status, MPI_INT, &count);
cout << " process " << rank << " a = " << a <<" elementlar soni= "<MPI_Finalize();
}

5.MPI_Probe ning ikki holatda ishlatilishi bo’yicha dastur tuzing va uni tushuntirib bering

1-usul.
#include "mpi.h"
#include
using namespace std;
int main(int argc, char**argv)
{
int rank; float a, b, c;
MPI_Status status; int buf_count; char*buf;
MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
a = 0.0; b = 0.0; c = 0.0;
if (rank == 0) {
b = 3;
MPI_Send(&b, 1, MPI_INT, 1, 4, MPI_COMM_WORLD);
MPI_Probe(MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &status);
MPI_Get_count(&status, MPI_INT, &buf_count);
MPI_Recv(&c, buf_count, MPI_INT, MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &status);
MPI_Recv(&a, 1, MPI_INT, 1, 5, MPI_COMM_WORLD, &status);
}
if (rank == 1) {
a = 2;
MPI_Recv(&b, 1, MPI_INT, 0, MPI_ANY_TAG, MPI_COMM_WORLD, &status);
MPI_Send(&a, 1, MPI_FLOAT, 0, 5, MPI_COMM_WORLD);
}
if (rank == 2) {
c = 7;
MPI_Send(&c, 2, MPI_FLOAT, 0, 3, MPI_COMM_WORLD);

}
cout << " process " << rank << " a = " << a << " b = " << b << " c = " << c << endl;

MPI_Finalize();
return 0;
}

2-holat
#include "mpi.h"
#include
#include
using namespace std;
int main(int argc, char**argv) {
int rank; float a, b, c; MPI_Status status;
int d;
double f;
MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
a = 0.0; b = 0.0; c = 0.0; d = 0.0; f = 0.0;
if (rank == 0) {
b = 1.0;
c = 3.0;
MPI_Send(&b, 1, MPI_INT, 1, 5, MPI_COMM_WORLD);
MPI_Send(&c, 1, MPI_INT, 2, 5, MPI_COMM_WORLD);

for (int i = 0; i<3; i++) {

MPI_Probe(MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &status);
switch (status.MPI_TAG) {
case 1:
MPI_Recv(&a, 1,MPI_DOUBLE, 2, 1, MPI_COMM_WORLD, &status);
break;
case 2:
MPI_Recv(&d, 1, MPI_INT, 2, 2, MPI_COMM_WORLD, &status);
break;
case 3:
MPI_Recv(&f, 1, MPI_FLOAT, 1, 3, MPI_COMM_WORLD, &status); break;
}
}
MPI_Recv(&a, 1, MPI_FLOAT, 1, 3, MPI_COMM_WORLD, &status);
MPI_Recv(&d, 1, MPI_INT, 2, 2, MPI_COMM_WORLD, &status);
MPI_Recv(&f, 1, MPI_DOUBLE, 2, 1, MPI_COMM_WORLD, &status);
}
if (rank == 1) {
a = 2.702;
MPI_Recv(&b, 1, MPI_FLOAT, 0, 5, MPI_COMM_WORLD, &status);
MPI_Send(&a, 1, MPI_FLOAT, 0, 3, MPI_COMM_WORLD);
}
if (rank == 2) {
d = 4.0;
f = 555.0;
MPI_Recv(&c, 1, MPI_FLOAT, 0, 5, MPI_COMM_WORLD, &status);
MPI_Send(&d, 1, MPI_INT, 0, 2, MPI_COMM_WORLD);
MPI_Send(&f, 1, MPI_DOUBLE, 0, 1, MPI_COMM_WORLD);
}
cout << " process " << rank << " a = " << a << " b = " << b << " c = " << c << " d = " << d << " f = " << f << endl;
MPI_Finalize();
}

6)Uchta jarayonda uch xil matematik misol ishlang va natijalarni 4- jarayonga jo’nating va jarayonlarning ishlash vaqtilarini aniqlang va bir biri bilan taqqoslab xulosa chiqaring.

#include "mpi.h"

#include
#include
using namespace std;
int main(int argc,char**argv)
{
int rank;
float a,b,c;MPI_Status status;
double t1, t2,T;
double MPI_Wtick;
MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD,&rank);
t1 = MPI_Wtime();
a=0,0; b=0.0; c=0,0;
if(rank==1){
a=(3*7)/2;
MPI_Send(&a,1,MPI_FLOAT,4,1,MPI_COMM_WORLD);
}
if(rank==2){
b=sqrt(3.24);
MPI_Send(&b,1,MPI_FLOAT,4,2,MPI_COMM_WORLD);
}
if(rank==3){
c=pow(8,2);
MPI_Send(&c,1,MPI_FLOAT,4,3,MPI_COMM_WORLD);
}
if(rank==4){
MPI_Recv(&a,1,MPI_FLOAT,1,1,MPI_COMM_WORLD,&status);
MPI_Recv(&b,1,MPI_FLOAT,2,2,MPI_COMM_WORLD,&status);
MPI_Recv(&c,1,MPI_FLOAT,3,3,MPI_COMM_WORLD,&status);
}
t2 = MPI_Wtime();
cout<<"Natija:"<MPI_Finalize();
return 0;
}