Why Good Applications Don’t Scale

You have parallelized your serial application, but as you use more cores you are not seeing any improvement in performance. What gives?

SSHFS for Shared Storage

SSHFS is often overlooked as an HPC shared filesystem solution.

SMART Devices

Most storage devices have SMART capability, but can it help you predict failure? We look at ways to take advantage of this built-in monitoring technology with the smartctl utility from the Linux smartmontools package.

Caching with CacheFS

For read-heavy workloads, CacheFS is a great caching mechanism for NFS and AFS.

Bashtop, a Gorgeous Top-like Tool

Fairly recently, a new top-like tool has received quite a bit of attention: bashtop, like other top-like tools, shows stats for the processor, memory, disks, network, and processes. Although it might sound like any other top tool, the interface is exceptional.

Tips and Tricks for Containers

Inspect and extend containers, modify definition files, and create read-only containers for security.

Pymp – OpenMP-like Python Programming

Applying OpenMP techniques to Python code.

MPI Apps with Singularity and Docker

Running MPI applications in Singularity and Docker containers.

ZFS Tuning for HPC

The ZFS filesystem and volume manager simplifies data storage management and offers advanced features that allow it to perform in mission-critical or high-performance environments.

Building and Running Containers

Best practices for building and running Docker and Singularity containers.