Darshan

Note: This page is in progress.

Darshan is a set of libraries that can characterize MPI-IO and POSIX file access within typical HPC applications in a nonintrusive way. It can be used to investigate I/O behavior of a MPI-program.

Developer: Argonne National Laboratory Platforms: HPE_Hawk Category: Performance Analyzer License: Website: Darshan homepage

Introduction

Darshan is developed by Mathematics and Computer Science Division of Argonne National Laboratory to allow investigation and tuning of the I/O behaviour of complex HPC applications. It is open-source and available on github. Many Tutorials and hands-on excercises are available online.

Usage

Running program with Darshan instrumentation

First load the needed software module:

module load darshan-runtime

See also

• Software Development Tools, Compilers & Libraries

External Links

• Darshan homepage