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cluster-collection

A collection of 16 posts

Spack is Research Computing's Best Friend

Spack is Research Computing's Best Friend

Research and cloud computing are a perfect fit, but the reality of managing software on dynamic clusters in the cloud can be a challenge. Fortunately, nifty tools like Spack can help get you up and running with optimised versions of your required software in just minutes.

Parallelizing Workloads With Slurm (Brute Force Edition)

Parallelizing Workloads With Slurm (Brute Force Edition)

One of the reasons researchers turn to clusters and Slurm is to run many independent jobs. Recently, we posted about how to use Slurm job arrays to do this. Here we describe some additional intuitive ways of getting the job(s) done.

Parallelizing Workloads with Slurm Job Arrays

Parallelizing Workloads with Slurm Job Arrays

Do you have a script that needs to be run across many samples? Or maybe you need to parameter test a script with a variety of values? This blog post covers how to achieve this simply and efficiently with Slurm job arrays.

A simple Slurm guide for beginners

A simple Slurm guide for beginners

SLURM is a popular job scheduler that is used to allocate, manage and monitor jobs on your cluster. In this blog post we teach you the basics of submitting SLURM jobs on your very own auto scaling cluster in the cloud with RONIN.

Using Spot Instances to Reduce Cluster Costs

Using Spot Instances to Reduce Cluster Costs

By requesting unused AWS EC2 instances at a discounted price via the Spot market, you can significantly reduce your cluster costs. This article will explain the pros and cons of Spot instances and provide you with some tips for getting started.

A Beginner's Glossary for HPC in the Cloud

A Beginner's Glossary for HPC in the Cloud

High Performance Computing (HPC) has its own terminology, which is complexified (a real word!) by cloud terminology. Our goal is to simply define these terms to make it easier for users who are not cloud or IT gurus to create and launch clusters using RONIN on AWS....

Troubleshooting Tips for Slurm and AWS ParallelCluster

Troubleshooting Tips for Slurm and AWS ParallelCluster

In this blog post we present some tips to help you troubleshoot some of the most common issues researchers come across when using SLURM and ParallelCluster.

New Machine or New Autoscaling Cluster? Which Should I Choose?

New Machine or New Autoscaling Cluster? Which Should I Choose?

When you begin to work with RONIN you are immediately faced with a choice — do you create a new machine? Or an autoscaling cluster? And what is the difference and why do you have to choose at all? Machines A machine is a single computer, even though it can have

Packaging Clusters in RONIN

Packaging Clusters in RONIN

In RONIN, a package is a cluster template that is ready to create preconfigured cluster, defined by you! Packages will have an Operating System, a Root Volume (for the operating system) and any user defined volumes, such as datasets, files, or pretty much anything you want. It will also have

Connecting to your Machine / Auto Scale Cluster Desktop with DCV

Connecting to your Machine / Auto Scale Cluster Desktop with DCV

Features * Virtual Machines Desktop with DCV - Secure Cloud Desktops * Install and Run your virtual machine Desktop securely with RONIN LINK 2.0 and above * Fully encrypted, low latency, GPU / non GPU supported instance types After creating your Windows/Linux machine: Step 1 - Open RONIN LINK Step 2 -

Auto Scale a Cluster.

Auto Scale a Cluster.

Easy to follow guide on how to scale a cluster on RONIN.

What is Hyper-Threading?

Hyper-threading

What is Hyper-Threading?

Watch this awesome short video using food analogies to get an understanding of what Hyper-threading is!

How to Enable Intel MPI?

How to Enable Intel MPI?

Intel Message Passing Interface (MPI) is now available on the AWS ParallelCluster AMIs. To enable Intel MPI instead of Open MPI, the Intel MPI module must be loaded first. You can install the latest using module load intelmpi. The exact name of the module changes with every update. Step 1

Ganglia on Auto Scale Clusters

Ganglia on Auto Scale Clusters

All RONIN Clusters get a free open source tool called Ganglia to help monitor your hardware. This article shows you how

Create an Auto Scale Cluster

Create an Auto Scale Cluster

Auto Scale Clusters in RONIN are your very own High Performance Computers that automatically scale by CPU's as workloads get more intensive. They're really easy to fire up. No, really!

Terminating Machines/Clusters in RONIN

Terminating Machines/Clusters in RONIN

If you no longer require a machine, you can terminate it. Terminating a machine in RONIN is permanent and irreversable!!! There are no do-overs! Be careful!