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The Linux FoundationJoin us for the High Performance Software Foundations’ 2025 Conference, May 5–8!🔹 Dive into expert panels 🔹 Connect at project meetings 🔹 Hear from @awscloud.bsky.social, <a href="https://social.lfx.dev/tags/HPE" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPE</a>, <a href="https://social.lfx.dev/tags/LivermoreLab" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LivermoreLab</a>, <a href="https://social.lfx.dev/tags/SandiaLabs" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SandiaLabs</a>🚨 Standard pricing for <a href="https://social.lfx.dev/tags/HPSFCon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPSFCon</a> ends soon <a href="https://social.lfx.dev/tags/HPC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPC</a>

Ludovic Courtès“Build daemon drops its privileges” 👇 <a href="https://hpc.guix.info/blog/2025/03/build-daemon-drops-its-privileges/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://hpc.guix.info/blog/2025/03/build-daemon-drops-its-privileges/</a><a href="https://toot.aquilenet.fr/tags/Guix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Guix</a> <a href="https://toot.aquilenet.fr/tags/HPC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPC</a>

Deutsches Forschungsnetz (DFN)🔒💻 Jetzt reinhören: Sicherheit trifft HPC im <a href="https://mastodon.social/tags/deutschlandfunk" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#deutschlandfunk</a> In der <a href="https://mastodon.social/tags/Deutschlandfunk" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Deutschlandfunk</a>-Reportage 🛡️ „Selbstschutz: Das Deutsche Forschungsnetz sichert das Hochleistungsrechnen ab“ gibt Prof. Dr.-Ing. Stefan Wesner Einblicke in das neue HPC-Cluster <a href="https://mastodon.social/tags/RAMSES" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#RAMSES</a> der <a href="https://wisskomm.social/@UniKoeln" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@UniKoeln</a> <a href="https://wisskomm.social/@unikoeln_it" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@unikoeln_it</a> Außerdem erklärt er, wie <a href="https://mastodon.social/tags/DFNSecurity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DFNSecurity</a> mit flexiblen Sicherheitslösungen Einrichtungen jeder Größe unterstützt. 👉 Mehr Infos: <a href="https://www.dfn.de/jetzt-reinhoeren-sicherheit-trifft-hpc-im-deutschlandfunk/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.dfn.de/jetzt-reinhoeren-sicherheit-trifft-hpc-im-deutschlandfunk/</a><a href="https://infosec.exchange/@dfncert" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@dfncert</a> <a href="https://mastodon.social/tags/CyberSecurity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CyberSecurity</a> <a href="https://mastodon.social/tags/HPC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPC</a> <a href="https://mastodon.social/tags/DFN" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DFN</a>

Andrew Jones (hpcnotes)Join us 26-MAR-2025 1700 UTC online at <a href="https://aka.ms/hpc_hallway/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://aka.ms/hpc_hallway/</a> to mark 5 years of <a href="https://mast.hpc.social/tags/HPChuddle" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPChuddle</a> / <a href="https://mast.hpc.social/tags/HPChallway" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPChallway</a> - the weekly open informal online gathering of <a href="https://mast.hpc.social/tags/HPC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPC</a> people set up 5 years ago to support our HPC community networking as in-person meetings closed down - and later inspiring the creation of <a href="https://hpc.social/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://hpc.social/</a><a href="https://hpc-hallway.github.io/The-Hallway/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://hpc-hallway.github.io/The-Hallway/</a> This community videocall has happened every week of 5 years since the 1st gathering in March 2020 (missing a few over December holidays).

Hanno ReinDoes anyone know a company <a href="https://mastodon.social/tags/Toronto" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Toronto</a> / <a href="https://mastodon.social/tags/GTA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#GTA</a> that does commercial <a href="https://mastodon.social/tags/solar" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#solar</a> installations and has some experience with <a href="https://mastodon.social/tags/hpc" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#hpc</a> / datacenters?

jbz🦾 Europe bets on RISC-V for homegrown supercomputing platform —The Register｢ A 38-strong group of tech players have founded a project with the snappy name Digital Autonomy with RISC-V in Europe, aka DARE, that aims to develop processor units to power the continent’s supercomputers and other high-performance machines ｣<a href="https://www.theregister.com/2025/03/07/dare_europe_risc_v_project/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.theregister.com/2025/03/07/dare_europe_risc_v_project/</a><a href="https://indieweb.social/tags/riscv" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#riscv</a> <a href="https://indieweb.social/tags/hpc" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#hpc</a> <a href="https://indieweb.social/tags/ai" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ai</a> <a href="https://indieweb.social/tags/digitalsovereignty" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#digitalsovereignty</a> <a href="https://indieweb.social/tags/eu" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#eu</a> <a href="https://indieweb.social/tags/EuroHPC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#EuroHPC</a>

FCLCFor those that haven’t seen the news (or my shouts of excitement across the globe) Flang New is now “Flang”, and we have an official llvm based, community developed Fortran compiler!!!Check it out! <a href="https://flang.llvm.org/docs/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://flang.llvm.org/docs/</a><a href="https://mast.hpc.social/tags/HPC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPC</a>!Phoronix article here: <a href="https://www.phoronix.com/news/LLVM-20-Flang" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.phoronix.com/news/LLVM-20-Flang</a>

Gábor SAMUCentralized system and <a href="https://mstdn.ca/tags/LSF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LSF</a> logging on a <a href="https://mstdn.ca/tags/TuringPi" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#TuringPi</a> system <a href="https://medium.com/@samu.gabor/centralized-system-and-lsf-logging-on-a-turing-pi-system-8ca54737d497" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://medium.com/@samu.gabor/centralized-system-and-lsf-logging-on-a-turing-pi-system-8ca54737d497</a> <a href="https://mstdn.ca/tags/HPC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPC</a> <a href="https://mstdn.ca/tags/logging" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#logging</a> <a href="https://mstdn.ca/tags/syslogng" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#syslogng</a>

Karl Voit :emacs: :orgmode:<a href="https://graz.social/tags/Europe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Europe</a> bets on <a href="https://graz.social/tags/RISC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#RISC</a>-V for homegrown supercomputing platform <a href="https://www.theregister.com/2025/03/07/dare_europe_risc_v_project/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.theregister.com/2025/03/07/dare_europe_risc_v_project/</a>"Do you <a href="https://graz.social/tags/DARE" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DARE</a>? Europe bets once again on RISC-V for <a href="https://graz.social/tags/supercomputing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#supercomputing</a> <a href="https://graz.social/tags/sovereignty" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#sovereignty</a> €240M found for three-year sprint to develop three chiplets for <a href="https://graz.social/tags/HPC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPC</a>, <a href="https://graz.social/tags/AI" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AI</a>"If the <a href="https://graz.social/tags/EU" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#EU</a> would take this serious, that should have been Billions instead if Millions. And not a 3y sprint. This would be really worth the investment. We need much more than that. Yesterday.<a href="https://graz.social/tags/RISCV" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#RISCV</a> <a href="https://graz.social/tags/digitalsouvereignity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#digitalsouvereignity</a>

Benjamin Carr, Ph.D. 👨🏻‍💻🧬SMT Remains Very Advantageous For <a href="https://hachyderm.io/tags/Zen5" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Zen5</a> <a href="https://hachyderm.io/tags/AMD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AMD</a> <a href="https://hachyderm.io/tags/EPYC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#EPYC</a> Performance <a href="https://hachyderm.io/tags/SMT" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SMT</a> typically was of measurable benefit to the 5th Gen AMD EPYC processor with the exception of some <a href="https://hachyderm.io/tags/HPC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPC</a> workloads that perform better with SMT disabled or otherwise limited by memory bandwidth. SMT also hurt the OpenVINO inference latency but by and large Simultaneous Multi-Threading remains an important and valuable feature for AMD processors. <a href="https://www.phoronix.com/review/amd-epyc-zen5-smt" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.phoronix.com/review/amd-epyc-zen5-smt</a>

Andrew Jones (hpcnotes)A thought:If the same message gets posted at the same time (UK morning) on three sites, let’s call them X, M, and B …Q1: on which site do you first see the post?Q2: on which site do you first reply / repost / like?<a href="https://mast.hpc.social/tags/HPC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPC</a> <a href="https://mast.hpc.social/tags/AI" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AI</a> <a href="https://mast.hpc.social/tags/F1" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#F1</a> <a href="https://mast.hpc.social/tags/cloud" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#cloud</a> <a href="https://mast.hpc.social/tags/ISC25" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ISC25</a> <a href="https://mast.hpc.social/tags/quantum" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#quantum</a> <a href="https://mast.hpc.social/tags/supercomputer" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#supercomputer</a>

Henrik SchönemannDo I know people here who work in/with <a href="https://fedihum.org/tags/HPC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPC</a> If yes, feel free to ping me :)

Balthasar ReuterAbstract submission and registration are open for the 21st <a href="https://fediscience.org/@ECMWF" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@ECMWF</a> workshop on <a href="https://mast.hpc.social/tags/HPC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPC</a> in <a href="https://mast.hpc.social/tags/meteorology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#meteorology</a>. Join us in Bologna from 15 to 19 September.This year's event coincides with the 50th anniversary of the organisation. Abstract submission deadline is 30 April, registration will close in 31 July.<a href="https://events.ecmwf.int/event/460/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://events.ecmwf.int/event/460/</a>

Andrew Jones (hpcnotes)Good talk by Sunita Chandrasekaran on optimising science capability with <a href="https://mast.hpc.social/tags/AI" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AI</a> using the example of improving simulations of instabilities in plasma by introducing <a href="https://mast.hpc.social/tags/ML" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ML</a> into the workflow with benefits including helping reduce data volumes <a href="https://mast.hpc.social/tags/MW25NZ" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MW25NZ</a> <a href="https://mast.hpc.social/tags/HPC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPC</a>

Caleb 🦈<a href="https://mastodon.social/tags/introduction" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#introduction</a> I'm a Dad, Doom 64 Speedrunner, and a Linux Systems Engineer focusing on HPC at the University of Virginia. I've been into computers and configuring them since I can remember and I have finally found the job that I love that let's me work with my hobby in a laid back, chill, and interesting environment. Let's chat about <a href="https://mastodon.social/tags/Linux" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Linux</a>, <a href="https://mastodon.social/tags/SteamDeck" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SteamDeck</a>, <a href="https://mastodon.social/tags/Subaru" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Subaru</a>, <a href="https://mastodon.social/tags/Android" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Android</a>, <a href="https://mastodon.social/tags/Gaming" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Gaming</a>, and <a href="https://mastodon.social/tags/HPC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPC</a> environments! Glad to meet you and thanks for stopping by!

Glenn K. LockwoodI gave an internal talk today on the architectural differences between supercomputers built for <a href="https://mast.hpc.social/tags/AI" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AI</a> (which my team operates) and those built for scientific computing. This summary of the differences and tradeoffs I discussed, though redacted, may be interesting to my <a href="https://mast.hpc.social/tags/HPC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPC</a> friends too.

Gábor SAMUA look back at Blue Gene <a href="https://www.ibm.com/history/blue-gene" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.ibm.com/history/blue-gene</a> <a href="https://mstdn.ca/tags/IBM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#IBM</a> <a href="https://mstdn.ca/tags/HPC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPC</a> <a href="https://mstdn.ca/tags/supercomputing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#supercomputing</a> <a href="https://mstdn.ca/tags/supercomputer" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#supercomputer</a>

The Linux Foundation🚀 Big news! <a href="https://social.lfx.dev/tags/HPSFcon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPSFcon</a> is coming to Chicago May 5-8! 🎉Join the first High Performance Software Foundation Conference—where HPC software experts push the boundaries of performance, portability & productivity.📢 CFP is open! Submit by Feb 23, 2025: 🔗 <a href="https://hpsf.io/blog/2025/submit-to-speak-at-hpsf-conference-2025/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://hpsf.io/blog/2025/submit-to-speak-at-hpsf-conference-2025/</a><a href="https://social.lfx.dev/tags/HPSFcon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPSFcon</a> <a href="https://social.lfx.dev/tags/HPC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPC</a> <a href="https://social.lfx.dev/tags/TechConference" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#TechConference</a> <a href="https://social.lfx.dev/tags/OpenSource" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#OpenSource</a>

Simon Tournier☕ break? <a href="https://social.sciences.re/tags/Guix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Guix</a> <a href="https://social.sciences.re/tags/HPC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPC</a> activity report is out! 🎉Check it out:<a href="https://hpc.guix.info/blog/2025/02/guix-hpc-activity-report-2024/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://hpc.guix.info/blog/2025/02/guix-hpc-activity-report-2024/</a>The seventh report, time flies! Highlight of key achievements:• More than 57,000 packages, Guix + related channels for scientific packages; • Performance and portability: more about MPI; • ROCm/HIP software stack for AMD GPUs upgrades; • Migration of Guix-Science channel to Codeberg; • New version of Guix-Jupyter; • Common Workflow Language <a href="https://social.sciences.re/tags/CWL" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CWL</a> + Guix = ❤️ : ccwl and ravanan; • Ensuring Source Code Availability: <a href="https://social.sciences.re/tags/SoftwareHeritage" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SoftwareHeritage</a> rescue mode; • Re-Deploying Software from the Past; • Supporting Artifact Evaluation at SuperComputing 2024; • “Package to Container image” conversion pipeline, <a href="https://social.sciences.re/tags/DIAMOND" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DIAMOND</a> and <a href="https://social.sciences.re/tags/DIADEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DIADEM</a>; • Digital Electronics Design; • Reproducible Multiphysics Simulation and Workflows; • Impact of Hardware Variability; • Toward Guix on French Tier-1 and EuroHPC Tier-0 machines; • Pangenome Genetics Research • Supporting RISC-V • List of articles, talks, tutorials, events, training sessions. • … and more…What a year, isn’t it? 😀<a href="https://social.sciences.re/tags/ReproducibleResearch" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ReproducibleResearch</a> <a href="https://social.sciences.re/tags/OpenScience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#OpenScience</a>

Ludovic Courtès📢 The new Guix-HPC annual report is out! <a href="https://hpc.guix.info/blog/2025/02/guix-hpc-activity-report-2024/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://hpc.guix.info/blog/2025/02/guix-hpc-activity-report-2024/</a>Check out what we’re up to with <a href="https://toot.aquilenet.fr/tags/Guix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Guix</a> in support of <a href="https://toot.aquilenet.fr/tags/HPC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPC</a>, <a href="https://toot.aquilenet.fr/tags/ReproducibleResearch" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ReproducibleResearch</a>, and <a href="https://toot.aquilenet.fr/tags/OpenScience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#OpenScience</a>.

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