Yeon’s Dev Log

1. node 1 -> node 0 로 값을 보내는 경우 #include #include int main(){ int my_rank,p; int a,b; MPI_Status status; int source =1, dest=0,tag=5; MPI_Init(NULL,NULL); MPI_Comm_size(MPI_COMM_WORLD,&p); MPI_Comm_rank(MPI_COMM_WORLD,&my_rank); if(my_rank==1){ a=10; MPI_Send(&a,1,MPI_INT,dest,tag,MPI_COMM_WORLD); } else if(my_rank==0){ MPI_Recv(&b,1,MPI_INT,source,tag,MPI_COMM_WORLD,&status); printf("received d..

1. Coding #include #include #include int main(void){ char greeting[100]; int my_rank,comm_sz,source; MPI_Init(NULL,NULL); MPI_Comm_rank(MPI_COMM_WORLD,&my rank); MPI_Comm_size(MPI_COMM_WORLD,&comm_sz); if(my_rank!=0){ sprintf(greeting, "Greeting from process %d of %d",my_rank,comm_sz); MPI_Send(greeting,strlen(greeting)+1,MPI_CHAR,0,5,MPI_COMM_WORLD); } else{ printf("Greetings from process %d of..