mpi

mpi.adoc

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+= mpi !
+Apostolos rootApostolos@swarmlab.io
+// Metadata:
+:description: Intro and Install
+:keywords: mpi
+:data-uri:
+:toc: right
+:toc-title: Πίνακας περιεχομένων
+:toclevels: 4
+:source-highlighter: highlight
+:icons: font
+:sectnums: 
+
+{empty} +
+
+
+[[cheat-Docker]]
+== Install mpi
+
+- Install docker + 
+http://docs.vlabs.uniwa.gr/Howtos/docker/install.adoc.html[^]
+
+- Clone repo + 
+
+https://git.vlabs.uniwa.gr:3000/swarmlab/swarmlab-mpi + 
+See http://docs.vlabs.uniwa.gr/Howtos/git/use-git.adoc.html 
+
+
+[[cheat-swarmlab-mpi]]
+== Usage  (swarmlab-adoc)
+
+
+- Open a console
+
+- Create a directory
+
+
+```
+cd dir
+swarmlab-mpi <tab><tab>
+
+create       create project      (swarmlab-mpi create)
+up           start swarmlab-mpi  (swarmlab-mpi up size=10)
+scale        resize swarmlab-mpi (swarmlab-mpi scale size=30)
+reload       rebuild image       (swarmlab-mpi reload size=15)
+login        login swarmlab-mpi  (swarmlab-mpi login)
+exec         execute command     (swarmlab-mpi exec [SHELL COMMAND])
+down         stop swarmlab-mpi   (swarmlab-mpi down)
+clean        clean project       (swarmlab-mpi clean)
+list         show instances      (swarmlab-mpi swarmlab-mpi list)
+help         show help           (swarmlab-mpi help)
+```
+
+[NOTE]
+====
+Using the tab key to automatically complete unambiguous commands and paths in Bash
+====
+
+
+[[cheat-swarmlab-create]]
+== Create swarmlab project
+
+```
+mkdir myproject
+cd myproject
+swarmlab-mpi create
+```
+.Relevant files:
+[NOTE]
+====
+Project
+├── Dockerfile          # Image specification
+├── project             # Sample program source code
+│   └── mpi_hello_world.c
+├── ssh                 # keys for accessing
+│   ├── id_rsa          # (could generate your own)
+│   └── id_rsa.pub
+├── docker-compose.yml  # Container orchestration 
+
+====
+
+[[cheat-swarmlab-up]]
+== Spin up the swarmlab cluster
+
+```
+cd myproject
+swarmlab-mpi up size=5
+```
+
+[[cheat-swarmlab-up1]]
+== Login to the swarmlab cluster
+
+```
+cd myproject
+swarmlab-mpi login
+```
+
+[[cheat-swarmlab-complile]]
+==  Compile and Run the sample  program.
+
+```
+cd myproject
+mpicc -o mpi_hello_world ./mpi_hello_world.c
+mpirun ./mpi_hello_world
+```
+
+.New files
+[NOTE]
+====
+copy or create files into the project directory. Compile and Run!
+====
+
+
+
+[[cheat-swarmlab-scale]]
+== Scale cluster in real-time
+
+As the cluster running, without having to close the session, open a different terminal and go back to the project directory.
+
+```
+cd myproject
+swarmlab-mpi scale size=10
+```
+
+[[cheat-swarmlab-down]]
+== shutdown swarmlab-mpi cluster
+
+
+```
+cd myproject
+swarmlab-mpi down
+```
+
+:hardbreaks:
+
+{empty} +
+{empty} +
+{empty} 
+
+:!hardbreaks:
+
+'''
+
+.Reminder
+[NOTE]
+====
+:hardbreaks:
+Caminante, no hay camino, 
+se hace camino al andar.
+
+Wanderer, there is no path, 
+the path is made by walking.
+
+*Antonio Machado* Campos de Castilla
+====