RRZE-HPC/likwid
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Performance monitoring and benchmarking suite
7 mentions on Hacker News by 5 people: 1 story, 6 comments · first 2015-10-19 · latest 2025-02-03
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…AFAICS there have been a few memory-bw zen-related bugs reported to likwid and, in particular, https://github.com/RRZE-HPC/likwid/issues/535 may suggest that you could be hitting a similar bug but with another CPU series. The bug report…
comment by menaerus · 2025-02-03 · in How to Run DeepSeek R1 671B Locally on a $2000 EPYC Server -
…in a weird minority (most of the people who think like I do seem to be game engine developers). [1] https://github.com/RRZE-HPC/likwid
comment by keldaris · 2019-11-07 · in Comparing Parallel Rust and C++ -
…Fast is with .p2align 3, Slow is with .p2align4 as above. Measurements are on Skylake with Likwid ( https://github.com/RRZE-HPC/likwid/wiki/likwid-perfctr ). Fast Slow Runtime (RDTSC) [s] | 4.912542e-01 | 6.476124e-01 RESOURCE_STALLS_ANY |…
comment by nkurz · 2017-12-16 · in Intel i7 loop performance anomaly (2013) -
…by sampling. So yes --- you probably should be using perf far more! Or VTune, or likwid ( https://github.com/RRZE-HPC/likwid ).
comment by nkurz · 2017-05-10 · in CPU Utilization is Wrong -
…counter group (e.g. L3 CACHE) to monitor while running a program. It also provides derived metrics. https://github.com/RRZE-HPC/likwid
comment by Langdal · 2017-03-25 · in Writing a Linux Debugger Part 2: Breakpoints -
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Likwid: Performance monitoring and benchmarking suitestory by ingve · 2016-03-31 · 0 comments
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…and the software sometimes lags behind. For Linux and Haswell EP, I've had luck with likwid: https://github.com/RRZE-HPC/likwid/wiki/Haswell-EP#memory-co... You also might have luck with Andi Kleen's pmu-tools:…
comment by nkurz · 2015-10-19 · in Memory Is Holding Up the Moore's Law Progression of Processing Power (2014)