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The HPCG (high performance conjugate gradient) benchmark is a supercomputing benchmark test proposed by Michael Heroux from Sandia National Laboratories, and Jack Dongarra and Piotr Luszczek from the University of Tennessee. It is intended to model the data access patterns of real-world applications such as sparse matrix calculations, thus testing the effect of limitations of the memory subsystem and internal interconnect of the supercomputer on its computing performance. Because it is internally I/O bound (the data for the benchmark resides in main memory as it is too large for processor caches), HPCG testing generally achieves only a tiny fraction of the peak FLOPS the computer could theoretically deliver.

Attributes	Values
rdf:type	Thing
rdfs:label	HPCG benchmark (en)
rdfs:comment	The HPCG (high performance conjugate gradient) benchmark is a supercomputing benchmark test proposed by Michael Heroux from Sandia National Laboratories, and Jack Dongarra and Piotr Luszczek from the University of Tennessee. It is intended to model the data access patterns of real-world applications such as sparse matrix calculations, thus testing the effect of limitations of the memory subsystem and internal interconnect of the supercomputer on its computing performance. Because it is internally I/O bound (the data for the benchmark resides in main memory as it is too large for processor caches), HPCG testing generally achieves only a tiny fraction of the peak FLOPS the computer could theoretically deliver. (en)
dcterms:subject	Benchmarks (computing) Supercomputer benchmarks Parallel computing
Wikipage page ID	50991783 (xsd:integer)
Wikipage revision ID	1090638877 (xsd:integer)
Link from a Wikipage to another Wikipage	Sandia National Laboratories Memory access pattern Benchmark (computing) Application software University of Tennessee Memory Fugaku (supercomputer) GitHub Preconditioned conjugate gradient method Summit (supercomputer) Data access Benchmarks (computing) FLOPS Supercomputer benchmarks Graph500 Jack Dongarra Parallel computing K computer LINPACK benchmarks Sparse matrix Interconnect (computing) Sierra (supercomputer) Traversed edges per second I/O bound Supercomputing
Link from a Wikipage to an external page	http://www.hpcg-benchmark.org/ https://github.com/hpcg-benchmark/hpcg/
sameAs	HPCG benchmark HPCG benchmark HPCG benchmark
dbp:wikiPageUsesTemplate	dbt:Authority_control dbt:Reflist dbt:Computing-stub
has abstract	The HPCG (high performance conjugate gradient) benchmark is a supercomputing benchmark test proposed by Michael Heroux from Sandia National Laboratories, and Jack Dongarra and Piotr Luszczek from the University of Tennessee. It is intended to model the data access patterns of real-world applications such as sparse matrix calculations, thus testing the effect of limitations of the memory subsystem and internal interconnect of the supercomputer on its computing performance. Because it is internally I/O bound (the data for the benchmark resides in main memory as it is too large for processor caches), HPCG testing generally achieves only a tiny fraction of the peak FLOPS the computer could theoretically deliver. HPCG is intended to complement benchmarks such as the LINPACK benchmarks that put relatively little stress on the internal interconnect. The source of the HPCG benchmark is available on GitHub. As of June 2018, the Summit supercomputer held the top spot in the HPCG performance rankings, followed by the Sierra and the K computer. In November of 2020 they were superseded by Fugaku with a speed of 16.0 HPCG-petaflops, an increase of 540% over Summit. (en)
prov:wasDerivedFrom	wikipedia-en:HPCG_benchmark?oldid=1090638877&ns=0
page length (characters) of wiki page	3897 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:HPCG_benchmark
is Link from a Wikipage to another Wikipage of	Fugaku (supercomputer) Graph500 K computer LINPACK benchmarks TOP500 Tianhe-2 HPCG Traversed edges per second High performance conjugate gradient benchmark
is Wikipage redirect of	HPCG High performance conjugate gradient benchmark
is foaf:primaryTopic of	wikipedia-en:HPCG_benchmark

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