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    Optimizing Your NFS Filesystem

    NFS is probably the most widely used shared filesystem. You can turn many knobs to boost performance, ease management, and improve security.

     

    Ceph Jewel

    The Ceph object store remains a project in transition: The developers announced a new GUI, a new storage back end, and CephFS stability in the just released Ceph v10.2.x, Jewel.

    A Container for HPC

    Working with containers in high-performance computing can be difficult; a new container named Singularity comes to the rescue.

    Interview with the Developer of Singularity

    What does the developer of Singularity have to say?

    Finding and Recording Memory Errors

    Memory errors are a silent killer of high-performance computers, but you can find and track these stealthy assassins.

    Getting the Most from Your Cores

    CPU utilization metrics tell you how well your applications are using your processing resources.

    How Persistent Memory Will Change Computing

    Persistent memory is non-volatile data storage in DIMM format. Losing power means that you won't lose data. What is it, and how can you use it?

    Parallel I/O

    Understanding the I/O pattern of your application is the starting point for improving its I/O performance, especially if I/O is a fairly large part of your application’s run time.

    Directive Coding

    With directive coding, you annotate code with compiler directives to take advantage of parallelism or accelerators. The two primary standards are OpenACC and OpenMP.

    New Release of Lmod Environment Modules System

    Lmod is an indispensable tool for high-performance computing. With the new release of version 6, now is a good time to review Lmod and look at its new capabilities.