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Home→Published 2018 → June 1 2 >>

Monthly Archives: June 2018

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TODO list at end of June

Performance analysis, tools and experiments Posted on 2018-06-30 by mev2018-06-25

As June is coming to a close, useful to take stock of what is completed and what still remains. During June, the following were done: Phoronix benchmark list: I finished going through ~120 Phoronix benchmarks to at least do a … Continue reading →

Posted in tools | Tagged progress report | Leave a reply

Phoronix article – POWER9, Xeon and AMD comparison (2018-06-25)

Performance analysis, tools and experiments Posted on 2018-06-25 by mev2018-06-25

Phoronix posted an article comparing POWER vs x86 on CPU benchmarks. This post looks at some of the workloads and adds comments.

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Posted in analysis | Tagged phoronix benchmark article | Leave a reply

openssl – AMD vs Intel

Performance analysis, tools and experiments Posted on 2018-06-24 by mev2018-06-24

The openssl Phoronix benchmark is interesting because the IPC on Intel Haswell system (1.66) is considerably higher than the IPC on AMD Ryzen (1.12). In this post, I’ll explore to look for causes.

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Posted in analysis, featured | Tagged analysis technique | Leave a reply

Phoronix article – hyperthreading (2018-06-20)

Performance analysis, tools and experiments Posted on 2018-06-21 by mev2018-06-21

Phoronix posted an article comparing hyperthreading on/off on an Intel i7. This post reviews some of the workloads and add comments.

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Posted in analysis | Tagged hyperthreading, phoronix benchmark article | Leave a reply

wspy – added support for –memstats

Performance analysis, tools and experiments Posted on 2018-06-19 by mev2018-06-19

I have added support to wspy for the –memstats option.

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Posted in tools | Tagged memory, wspy | Leave a reply

OpenFOAM summary

Performance analysis, tools and experiments Posted on 2018-06-15 by mev2018-06-15

I’ve analyzed the OpenFOAM CFD application using the motorbike tutorial page and created an analysis page for the results as well as added it to the overall workload summary. This post describes a few high-level takeaways I have from the … Continue reading →

Posted in analysis, featured | Tagged OpenFOAM | Leave a reply

openfoam notes

Performance analysis, tools and experiments Posted on 2018-06-14 by mev2018-06-15

OpenFOAM is free CFD software. While one can build it from source, there are also prebuilt Ubuntu repositories that I used in my testing.

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Posted in workloads | Tagged OpenFOAM | Leave a reply

gromacs – summary

Performance analysis, tools and experiments Posted on 2018-06-14 by mev2018-06-14

I’ve analyzed the gromacs computational chemistry application using three sample workloads and created an analysis page for the results as well as added them to the overall workload summary. This post describes a few higher-level takeaways I have from the … Continue reading →

Posted in analysis, featured, workloads | Tagged gromacs | Leave a reply

gromacs 5.1.5, Ryzen build issues (use -DGMX_SIMD)

Performance analysis, tools and experiments Posted on 2018-06-12 by mev2018-06-14

I downloaded and built gromacs from www.gromacs.org and used the 5.1.5 version because some of the tutorials/benchmarks still refer to this older version. This post documents steps I used to run gromacs 5.1.5 on a Ryzen processor.

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Posted in workloads | Tagged gromacs | Leave a reply

gromacs – setup notes

Performance analysis, tools and experiments Posted on 2018-06-11 by mev2018-06-11

This post documents steps I used to build, install and run gromacs. gromacs is a molecular dynamics package for simulating proteins, lipids and nucleic acids. It seems to be one of the more common HPC applications. My interest is less … Continue reading →

Posted in workloads | Tagged gromacs | Leave a reply

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