No puede seleccionar más de 25 temas Los temas deben comenzar con una letra o número, pueden incluir guiones ('-') y pueden tener hasta 35 caracteres de largo.
test2 94b747f9ef web Server hace 4 meses
examples examples hace 4 meses
images readme 8 hace 4 meses
swarmlab examples 1 ok hace 4 meses
LICENSE Initial commit hace 4 meses
README.md web Server hace 4 meses

README.md

mpi !

Instances of Ubuntu Linux with MPICH -- portable implementation of Message Passing Interface (MPI) standard. Designed for MPI program development and deployment.

LabInstance mpi

alt text

inspired by NLKNguyen

Quickstart

This is a quickstart guide of howto use this LabInstance to deploy MPI programs

HowTo use it

  • On step “1. Select Git Reposee here choose “examples-mpi

  • On step “2. Select swarm service” choose “ondemand_mpi_master

  • On step “3. Save Lab Instance” put the name you want

  • Save it.

Your are ready to run your fresh LabInstance see here

Default Configuration

  • Working Directory

/project

  • Default user for MPI

mpi

  • Buid-in Web Server

INFO

Lab_Instance Name = The name you give here

You can also find here

Usage:

touch /var/www/html/[name]/file


  • The host file that contains addresses of connected workers can be created with:

IP_ADDR=$(ip addr show | grep “inet ” | grep “eth0” | awk ‘{print $2}’)

nmap -sP $IP_ADDR | grep ondemand_mpi_worker | awk -F “[()]” ‘{ for (i=2; i /project/hosts

  • Compile

mpicc -o /project/mpi_hello_world examples/mpi_hello_world.c

  • run the MPI hello world program

sudo -u mpi mpirun -n 10 -f /project/hosts /project/mpi_hello_world


NOTE: copy hello world to all clients

# scp hello wrold to all clients. sudo -u mpi for auto scp connect. see /home/mpi/.ssh 
while read -r line; 
 do 
   sudo -u mpi scp /project/mpi_hello_world mpi@$line:/project/mpi_hello_world
done < /project/hosts


MORE INFO

See swarmlab and examples directory