The SPEChpc 2021 Benchmark suite


The full writeup can be found at REAL-WORLD HPC GETS THE BENCHMARK IT DESERVES

While nothing can beat the notoriety of the long-standing LINPACK benchmark, the metric by which supercomputer performance is gauged, there is ample room for a more practical measure. It might not garner the same mainstream headlines as the Top 500 list of the world’s largest systems, but a new benchmark may fill in the gaps between real-world versus theoretical peak compute performance.

The reason this new high performance computing (HPC) benchmark can come out of the gate with immediate legitimacy is because it is from the Standard Performance Evaluation Corporation (SPEC) organization, which has been delivering system benchmark suites since the late 1980s. And the reason it is big news today is because the time is right for a more functional, real-world measure, especially one that can adequately address the range of architectures and changes in HPC (from various accelerators to new steps toward mixed precision, for example).

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The SPEChpc 2021 suite includes a broad swath of science and engineering codes that are representative (and portable ) across much of what we see in HPC.

– A tested set of benchmarks with performance measurement and validation built into the test harness.
– Benchmarks include full and mini applications covering a wide range of scientific domains and Fortran/C/C++ programming languages.
– Comprehensive support for multiple programming models, including MPI, MPI+OpenACC, MPI+OpenMP, and MPI+OpenMP with target offload.
– Support for most major compilers, MPI libraries, and different flavors of Linux operating systems.
– Four suites, Tiny, Small, Medium, and Large, with increasing workload sizes, allows for appropriate evaluation of different-sized HPC systems, ranging from a single node to many thousands of nodes.

REAL-WORLD HPC GETS THE BENCHMARK IT DESERVES at The Next Platform

For more information, see https://www.spec.org/hpc2021/

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