Shakedown Social

James BalamutaFinally, your R packages on <a href="https://mastodon.social/tags/macOS" class="mention hashtag" rel="nofollow noopener" target="_blank">#macOS</a> can disappoint all your cores instead of just one of them at a time 😅{macrtools} now installs & configures OpenMP with:`openmp_install()` and you're done! ⚡️<a href="https://mac.thecoatlessprofessor.com/macrtools/reference/openmp.html" rel="nofollow noopener" translate="no" target="_blank">https://mac.thecoatlessprofessor.com/macrtools/reference/openmp.html</a><a href="https://mastodon.social/tags/rstats" class="mention hashtag" rel="nofollow noopener" target="_blank">#rstats</a> <a href="https://mastodon.social/tags/hpc" class="mention hashtag" rel="nofollow noopener" target="_blank">#hpc</a>

Andrew Jones (hpcnotes)Thought experiment:You have a <a href="https://mast.hpc.social/tags/supercomputer" class="mention hashtag" rel="nofollow noopener" target="_blank">#supercomputer</a> with infinite FLOPS (FP64 or whatever else you prefer) and infinite memory bandwidth - what is now the biggest bottleneck on your science advances? (Or business value generation, or whatever your supercomputing mission is)<a href="https://mast.hpc.social/tags/HPC" class="mention hashtag" rel="nofollow noopener" target="_blank">#HPC</a> <a href="https://mast.hpc.social/tags/AI" class="mention hashtag" rel="nofollow noopener" target="_blank">#AI</a>

Christian MeestersInterested in HPC compliant data analysis workflows?I am offering an NHR (German association for HPC resources) course for building and using Snakemake workflows on HPC clusters in Mainz, Germany! Two days: 9. & 10. December 2025 - on-site.To find out more and perhaps enrol, visit the course page: <a href="https://indico.zdv.uni-mainz.de/event/39/" rel="nofollow noopener" translate="no" target="_blank">https://indico.zdv.uni-mainz.de/event/39/</a><a href="https://fediscience.org/tags/Snakemake" class="mention hashtag" rel="nofollow noopener" target="_blank">#Snakemake</a> <a href="https://fediscience.org/tags/HPC" class="mention hashtag" rel="nofollow noopener" target="_blank">#HPC</a> <a href="https://fediscience.org/tags/ReproducibleResearch" class="mention hashtag" rel="nofollow noopener" target="_blank">#ReproducibleResearch</a> <a href="https://fediscience.org/tags/ReproducibleComputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#ReproducibleComputing</a>

Alan SillCome work with me and tackle some of the most rewarding and interesting topics in high performance computing! PhD with experience in <a href="https://mast.hpc.social/tags/HPC" class="mention hashtag" rel="nofollow noopener" target="_blank">#HPC</a> preferred, many research opportunities available as we push forward the state of data center automation for academic workloads with modern tools and methods. <a href="https://www.depts.ttu.edu/hpcc/employment.php" rel="nofollow noopener" translate="no" target="_blank">https://www.depts.ttu.edu/hpcc/employment.php</a>

ICMWe're expanding our gallery space in August to set up a Thinking Machines: Connection Machine with an event to celebrate the 40th anniversary. Join as a BOOTSTRAP member to attend the preview and get a behind the scene peek at the CM2's HOST, a Symbolics 3670 LISP machine, as we restore and recover its *LISP (StarLISP) programming system.<a href="https://icm.museum" rel="nofollow noopener" target="_blank">https://icm.museum</a> <a href="https://toobnix.org/w/57vV3XjbcdEjNVqYGTzZJ4" rel="nofollow noopener" target="_blank">https://toobnix.org/w/57vV3XjbcdEjNVqYGTzZJ4</a><a href="https://mastodon.sdf.org/tags/ai" class="mention hashtag" rel="nofollow noopener" target="_blank">#ai</a> <a href="https://mastodon.sdf.org/tags/HPC" class="mention hashtag" rel="nofollow noopener" target="_blank">#HPC</a> <a href="https://mastodon.sdf.org/tags/retrocomputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#retrocomputing</a> <a href="https://mastodon.sdf.org/tags/vintagecomputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#vintagecomputing</a>

HPC.social JobsNew <a href="https://mast.hpc.social/tags/HPC" class="mention hashtag" rel="nofollow noopener" target="_blank">#HPC</a> Job! 🔥️: Title: TTU Research Associate Location: Lubbock, Texas, USA Employer: Texas Tech University Remote: Fully onsite <a href="https://sjobs.brassring.com/TGnewUI/Search/home/HomeWithPreLoad?partnerid=25898&siteid=5635&PageType=JobDetails&jobid=893489" rel="nofollow noopener" translate="no" target="_blank">https://sjobs.brassring.com/TGnewUI/Search/home/HomeWithPreLoad?partnerid=25898&siteid=5635&PageType=JobDetails&jobid=893489</a>

Tom HaywardAttention Fortran lawyers!A colleague posed an interesting one to me (assuming b is a 2D real array containing values): OK: real, dimension(:), allocatable :: a a = b(1, :)Error: real, dimension(:), allocatable :: a a = sum(b(2:,:), dim=1) ! (can fixed by allocating a)Is there a rule about automatic allocation requiring no temporaries? Or compiler bug (in either case?)<a href="https://mastodon.social/tags/f90" class="mention hashtag" rel="nofollow noopener" target="_blank">#f90</a> <a href="https://mastodon.social/tags/fortran" class="mention hashtag" rel="nofollow noopener" target="_blank">#fortran</a> <a href="https://mastodon.social/tags/HPC" class="mention hashtag" rel="nofollow noopener" target="_blank">#HPC</a>

Janne MorenThis is big: <a href="https://fosstodon.org/tags/Spack" class="mention hashtag" rel="nofollow noopener" target="_blank">#Spack</a> has reached 1.0. Spack is (effectively) a distro-indepenedent package manager specifically for <a href="https://fosstodon.org/tags/HPC" class="mention hashtag" rel="nofollow noopener" target="_blank">#HPC</a> clusters. We've been evaluating it for years and we're most likely going to use it for our next machine. Really happy to see it reach stable status!<a href="https://mast.hpc.social/@spack/114885155276285929" rel="nofollow noopener" translate="no" target="_blank">https://mast.hpc.social/@spack/114885155276285929</a>

Andrew Jones (hpcnotes)<a href="https://mast.hpc.social/tags/HPC" class="mention hashtag" rel="nofollow noopener" target="_blank">#HPC</a> Leadership scores so farQ1: 97% of people got it correct Q2: 76% Q3: 73% Q4: 84% Q5: 89% Q6: 88% Q7: 65% Q8: 78% Q9: 90% Q10: 70%The most selected wrong answer (33% of people) is for Q7.Nearly 20% of people got 10/10.Still nobody who said they don't need the course got 10/10.

Ludovic Courtès<a href="https://toot.aquilenet.fr/tags/JeRecrute" class="mention hashtag" rel="nofollow noopener" target="_blank">#JeRecrute</a>, pas moi mais CNRS/Inria, pour faire du <a href="https://toot.aquilenet.fr/tags/Guix" class="mention hashtag" rel="nofollow noopener" target="_blank">#Guix</a> en <a href="https://toot.aquilenet.fr/tags/HPC" class="mention hashtag" rel="nofollow noopener" target="_blank">#HPC</a> dans une ✨ équipe de rêve ✨ du service public. <a href="https://recrutement.inria.fr/public/classic/fr/offres/2025-09146" rel="nofollow noopener" translate="no" target="_blank">https://recrutement.inria.fr/public/classic/fr/offres/2025-09146</a><a href="https://toot.aquilenet.fr/tags/LogicielLibre" class="mention hashtag" rel="nofollow noopener" target="_blank">#LogicielLibre</a> <a href="https://toot.aquilenet.fr/tags/ESR" class="mention hashtag" rel="nofollow noopener" target="_blank">#ESR</a>

openSUSE Linux🇪🇺 Europe’s first federated AI platform, <a href="https://fosstodon.org/tags/Fact8ra" class="mention hashtag" rel="nofollow noopener" target="_blank">#Fact8ra</a>, has picked <a href="https://fosstodon.org/tags/openSUSE" class="mention hashtag" rel="nofollow noopener" target="_blank">#openSUSE</a> as a core component of its sovereign AI stack! 8 <a href="https://fosstodon.org/tags/EU" class="mention hashtag" rel="nofollow noopener" target="_blank">#EU</a> nations knowing the benefit of sovereign <a href="https://fosstodon.org/tags/opensource" class="mention hashtag" rel="nofollow noopener" target="_blank">#opensource</a> <a href="https://fosstodon.org/tags/AI" class="mention hashtag" rel="nofollow noopener" target="_blank">#AI</a> <a href="https://fosstodon.org/tags/HPC" class="mention hashtag" rel="nofollow noopener" target="_blank">#HPC</a> <a href="https://news.opensuse.org/2025/07/11/sovereign-ai-platform-picks-opensuse/" rel="nofollow noopener" translate="no" target="_blank">https://news.opensuse.org/2025/07/11/sovereign-ai-platform-picks-opensuse/</a>

Alan SillShorter <a href="https://mast.hpc.social/@glennklockwood" class="u-url mention" rel="nofollow noopener" target="_blank">@glennklockwood</a> : Academics care about knowledge creation and sharing, and when building computing systems tend to build them to maximize these values. Commercial enterprises care more about profits and build systems to maximize these. Are these approaches incompatible? No, but the window for overlap in <a href="https://mast.hpc.social/tags/HPC" class="mention hashtag" rel="nofollow noopener" target="_blank">#HPC</a> and <a href="https://mast.hpc.social/tags/AI" class="mention hashtag" rel="nofollow noopener" target="_blank">#AI</a> for academia and hyperscale commerce was brief and may have closed. Also you have to decide how to spend your time in this world, and he is moving on. <a href="https://mast.hpc.social/@glennklockwood/114832950520089114" rel="nofollow noopener" translate="no" target="_blank">https://mast.hpc.social/@glennklockwood/114832950520089114</a>

Glenn K. LockwoodIn the few days I have between jobs, I wanted to share an unvarnished perspective on what I've learned after spending three years working on supercomputing in the cloud. It's hastily written and lightly edited, but I hope others find it interesting: <a href="https://blog.glennklockwood.com/2025/07/lessons-learned-from-three-years-in.html" rel="nofollow noopener" translate="no" target="_blank">https://blog.glennklockwood.com/2025/07/lessons-learned-from-three-years-in.html</a><a href="https://mast.hpc.social/tags/HPC" class="mention hashtag" rel="nofollow noopener" target="_blank">#HPC</a>

dvdgc13Embedding training in digital skills in the university curriculum is what will help to spread the use of <a href="https://mastodon.green/tags/HPC" class="mention hashtag" rel="nofollow noopener" target="_blank">#HPC</a> in their future. But also, how the machines have been designed so that it becomes more accessible to new users (snellius vs ARCHER2). We didn't learn to use the command line in one day. <a href="https://mastodon.green/tags/stepup2025" class="mention hashtag" rel="nofollow noopener" target="_blank">#stepup2025</a>

openSUSE LinuxThe new <a href="https://fosstodon.org/tags/GraceHopper" class="mention hashtag" rel="nofollow noopener" target="_blank">#GraceHopper</a> <a href="https://fosstodon.org/tags/Superchip" class="mention hashtag" rel="nofollow noopener" target="_blank">#Superchip</a> = faster, smarter, more efficient <a href="https://fosstodon.org/tags/OBS" class="mention hashtag" rel="nofollow noopener" target="_blank">#OBS</a> pipelines for <a href="https://fosstodon.org/tags/Armv9" class="mention hashtag" rel="nofollow noopener" target="_blank">#Armv9</a> 🧬 No more memory copy overhead ⚡ Unified CPU-GPU memory 💻 Optimized <a href="https://fosstodon.org/tags/Tumbleweed" class="mention hashtag" rel="nofollow noopener" target="_blank">#Tumbleweed</a> builds This is <a href="https://fosstodon.org/tags/opensource" class="mention hashtag" rel="nofollow noopener" target="_blank">#opensource</a> innovation at its best! <a href="https://fosstodon.org/tags/openSUSE" class="mention hashtag" rel="nofollow noopener" target="_blank">#openSUSE</a> <a href="https://fosstodon.org/tags/HPC" class="mention hashtag" rel="nofollow noopener" target="_blank">#HPC</a> <a href="https://fosstodon.org/tags/Linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#Linux</a> <a href="https://fosstodon.org/tags/nvidia" class="mention hashtag" rel="nofollow noopener" target="_blank">#nvidia</a> <a href="https://fosstodon.org/tags/SUSE" class="mention hashtag" rel="nofollow noopener" target="_blank">#SUSE</a> <a href="https://fosstodon.org/tags/arm" class="mention hashtag" rel="nofollow noopener" target="_blank">#arm</a> <a href="https://news.opensuse.org/2025/06/20/grace-hopper-to-boost-tw-armv9-builds/" rel="nofollow noopener" translate="no" target="_blank">https://news.opensuse.org/2025/06/20/grace-hopper-to-boost-tw-armv9-builds/</a>

HPC.social JobsNew <a href="https://mast.hpc.social/tags/HPC" class="mention hashtag" rel="nofollow noopener" target="_blank">#HPC</a> Job! 🥑: Title: HPC Software Scientist: Mixed Precision in molecular dynamics / GROMACS Location: Stockholm, sweden Employer: KTH Royal Institute of Technology in Stockholm Remote: Remote friendly <a href="https://kth.varbi.com/en/what:job/jobID:841419/" rel="nofollow noopener" translate="no" target="_blank">https://kth.varbi.com/en/what:job/jobID:841419/</a>

OpenMP ARB🚀 Great news for OpenMP on Python! NumPy 2.3 includes early OpenMP support, making sorting operations like np.sort and np.argsort faster by using multiple processor cores — a big step for performance!🛠️ This new feature is off by default but can be turned on during installation with -Denable_openmp=trueThis marks the beginning of more parallel computing support in NumPy! <a href="https://www.phoronix.com/news/NumPy-2.3-Released" rel="nofollow noopener" translate="no" target="_blank">https://www.phoronix.com/news/NumPy-2.3-Released</a><a href="https://mast.hpc.social/tags/NumPy" class="mention hashtag" rel="nofollow noopener" target="_blank">#NumPy</a> <a href="https://mast.hpc.social/tags/Python" class="mention hashtag" rel="nofollow noopener" target="_blank">#Python</a> <a href="https://mast.hpc.social/tags/Performance" class="mention hashtag" rel="nofollow noopener" target="_blank">#Performance</a> <a href="https://mast.hpc.social/tags/OpenMP" class="mention hashtag" rel="nofollow noopener" target="_blank">#OpenMP</a> <a href="https://mast.hpc.social/tags/HPC" class="mention hashtag" rel="nofollow noopener" target="_blank">#HPC</a>

openSUSE LinuxSay hello to accelerated progress! 🖥️ A high-performance <a href="https://fosstodon.org/tags/GraceHopper" class="mention hashtag" rel="nofollow noopener" target="_blank">#GraceHopper</a> system is being installed to power native <a href="https://fosstodon.org/tags/Armv9" class="mention hashtag" rel="nofollow noopener" target="_blank">#Armv9</a> builds in <a href="https://fosstodon.org/tags/openSUSE" class="mention hashtag" rel="nofollow noopener" target="_blank">#openSUSE</a>’s OBS 💚 Powered by the <a href="https://fosstodon.org/tags/NVIDIA" class="mention hashtag" rel="nofollow noopener" target="_blank">#NVIDIA</a> GH200, it’s built for speed, AI & <a href="https://fosstodon.org/tags/HPC" class="mention hashtag" rel="nofollow noopener" target="_blank">#HPC</a>. <a href="https://fosstodon.org/tags/opensource" class="mention hashtag" rel="nofollow noopener" target="_blank">#opensource</a> powered! <a href="https://fosstodon.org/tags/Tumbleweed" class="mention hashtag" rel="nofollow noopener" target="_blank">#Tumbleweed</a> <a href="https://fosstodon.org/tags/BuildService" class="mention hashtag" rel="nofollow noopener" target="_blank">#BuildService</a> <a href="https://news.opensuse.org/2025/06/20/grace-hopper-to-boost-tw-armv9-builds/" rel="nofollow noopener" translate="no" target="_blank">https://news.opensuse.org/2025/06/20/grace-hopper-to-boost-tw-armv9-builds/</a>

Christian Meesters<a href="https://mstdn.science/@dryak" class="u-url mention" rel="nofollow noopener" target="_blank">@dryak</a> returning from the <a href="https://fediscience.org/tags/isc25" class="mention hashtag" rel="nofollow noopener" target="_blank">#isc25</a> I will continue this thread with something applicable everywhere, not just on <a href="https://fediscience.org/tags/HPC" class="mention hashtag" rel="nofollow noopener" target="_blank">#HPC</a> clusters:Workflow runs can crash. There are a number of possible reasons. Snakemake offers a `--rerun-incomple` flag (or short `--ri`) which lets a user resume a workflow.This contribution from Filipe G. Viera describes a small fix to stabilize the feature. Not only will incomplete files be removed after a crash, now it is ensured that all metadata with them are deleted too, before resuming: <a href="https://zenodo.org/records/15490098" rel="nofollow noopener" translate="no" target="_blank">https://zenodo.org/records/15490098</a><a href="https://fediscience.org/tags/Snakemake" class="mention hashtag" rel="nofollow noopener" target="_blank">#Snakemake</a> <a href="https://fediscience.org/tags/SnakemakeHackathon2025" class="mention hashtag" rel="nofollow noopener" target="_blank">#SnakemakeHackathon2025</a> <a href="https://fediscience.org/tags/ReproducibleComputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#ReproducibleComputing</a> <a href="https://fediscience.org/tags/OpenScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#OpenScience</a>

HPC GuruAll things, with one exception, have to end After years of sharing <a class="hashtag" rel="nofollow noopener" href="https://bsky.app/search?q=%23HPC" target="_blank">#HPC</a> news and insights, it's time to log off It was fun while it lasted and I remain grateful to all of you who followed and interacted Stay curious, stay kind! — <a class="mention" href="https://bsky.brid.gy/ap/did:plc:oni2qr7zfiouajmojbnyctgl" rel="nofollow noopener" target="_blank">@hpcguru.bsky.social</a> signing off <a class="hashtag" rel="nofollow noopener" href="https://bsky.app/search?q=%23HPC" target="_blank">#HPC</a> <a class="hashtag" rel="nofollow noopener" href="https://bsky.app/search?q=%23Farewell" target="_blank">#Farewell</a>

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