There are three 64-bit compiler suites on DARWIN with Fortran, C and C++:
| PGI | Portland Compiler Suite |
| Intel | Parallel Studio XE |
| GCC | GNU Compiler Collection |
In addition, multiple versions of OpenJDK are available for compiling java applications on the login node.
DARWIN is based on AMD EPYC processors, please review the following documents if you are planning to compile and install your own software
High Performance Computing (HPC) Tuning Guide for AMD EPYC™ 7002 Series Processors guide for getting started tuning AMD 2nd Gen EPYC™ Processor based systems for HPC workloads. This is not an all-inclusive guide and some items may have similar, but different, names in specific OEM systems (e.g. OEM-specific BIOS settings). Every HPC workload varies in its performance characteristics. While this guide is a good starting point, you are encouraged to perform your own performance testing for additional tuning. This guide also provides suggestions on which items should be the focus of additional, application-specific tuning (November 2020).
HPC Tuning Guide for AMD EPYC™ Processors guide intended for vendors, system integrators, resellers, system managers and developers who are interested in EPYC system configuration details. There is also a discussion on the AMD EPYC software development environment, and we include four appendices on how to install and run the HPL, HPCG, DGEMM, and STREAM benchmarks. The results produced are ‘good’ but are not necessarily exhaustively tested across a variety of compilers with their optimization flags (December 2018).
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