Spack v0.23 is out! This is the last 0.x release before we go to v1.0 in June.

* Language virtuals
* ABI splicing (build with mpich, deploy with mvapich2)
* ML stacks for grace hopper, dev stack for macOS
* UI improvements

More in the release notes!
https://github.com/spack/spack/releases/tag/v0.23.0

#ThisMonthInFluiddyn - Nov 2024 edition

* #FluidDyn, #FluidSim, #FluidImage now works with #numpy 2 and #mpi4py 4.0.

* #Spack packaging recipes

https://foss.heptapod.net/fluiddyn/fluiddyn/-/tree/branch/default/misc/spack?ref_type=heads

* #Apptainer and #Guix packaging for FluidSim

https://foss.heptapod.net/fluiddyn/fluidsim/-/tree/branch/default/doc/apptainer?ref_type=heads

https://foss.heptapod.net/fluiddyn/fluidsim/-/blob/7e52e7bed240665823e04e9f5f8a1fae7d787d06/doc/examples/clusters/gricad/README.md

* Basic support for #Jax is part of #Transonic with v0.7.x

* #FluidImage v0.5.x has a number of improvements, such as work towards matching #UVmat (the MATLAB #PIV suite), new executors and a command `fluidimage-mean`

#HPC tooting friends: Has anyone seen problems using BeeGFS as a backing file store for #spack or #easybuild? Interested in any information we can find. Our symptom is stray temporary directories that donʻt get deleted when done with use by the package manager.

High Performance Software Foundation launched by @linuxfoundation https://www.admin-magazine.com/News/Linux-Foundation-Forms-High-Performance-Software-Foundation
#HPC #LinuxFoundation #OpenSource #Apptainer #E4S #HPCToolkit #Kokkos #Spack #Viskores #HPSF

Who doesn't enjoy working on a blog post once in a while? Recently wrote up about my work enabling the #Spack snap for #riscv with my colleague if anyone is interested. A good read while you enjoy a nice cup of coffee/tea : https://ubuntu.com/blog/we-wish-you-risc-v-holidays

Once Fedex delivers my riscv64 SBC, the real fun can begin. Who knows - you might see some interesting hackery at #Ubuntu conference UbuCon in March

I'm not a risc-adverse person

After attending a bunch of #riscv workshops at SC23 - and consuming a bunch of turkey for a week - I decided to do some experimenting of my own. I built a #Spack snap for riscv64 architecture! https://snapcraft.io/spack

It wasn't too bad to get it working - big thing I did was that I now bundle all of Spack's core and binary dependencies inside the snap (think clingo). Makes the bootstrap process much faster now!

Got myself a t-shirt at the #Spack community BoF at #SC23. Was a good session. Exciting to see the latest advancements in the package manager.

Now I need to update the snap to version 0.21

High Performace Software Foundation to be formed by @linuxfoundation https://www.admin-magazine.com/News/Linux-Foundation-to-Form-High-Performance-Software-Foundation #HPC #LinuxFoundation #Spack #Kokkos #Apptainer #WarpX #HPSF #portable #SoftwareStack

#LinuxFoundation Creating The High Performance #Software Foundation (#HPSF)
The #HighPerformanceSoftwareFoundation will be working on #opensource projects such as #Spack, #Kokkos, A#MReX, #VTKm, #HPCToolkit, #E4S, #Charliecloud, #WarpX, and other #HPC-oriented codes.
https://www.phoronix.com/news/High-Performance-Software-HPSF

This was NOT on my 2023 #BingoCard

Put out some HPC.Social, #Spack, and #OpenOndemand stickers out on the sticker trade table at 2023 #Ubuntu Summit; gone within minutes

Safe to say that #HPC is a hit with the community. Looks like I am going to need to dip more into my stash

Oh snap! It's #Spack in a snap!

If you're an #HPC engineer who's the warden of the software stack, I'd super appreciate it if you could test out the Spack snap package. I have this thread open for anyone to report issues or make suggestions: https://forum.snapcraft.io/t/call-for-testing-spack-0-20-2/37272

If you want to see the snap source code itself, check it out here on GitHub: https://github.com/canonical/spack-snap

Day 3 of #Pearc2023 under way! Today's agenda is to attend the main plenary session and then attend various talks.

My favorite thing from yesterday was seeing the #Spack developers using #Ubuntu virtual machines on #AWS to provide attendees with environments for playing with Spack. Looking forward to the talks today.

One of my favourite slides from the #Spack workshop at #Pearc2023. This slide provides a great explanation for why HPC clusters need special-purpose package managers rather than using traditional Linux package managers like apt and dnf.

Next time I have someone ask me why I do not just use apt for installing software, I will just send them this slide

Time to start #Pearc2023 day 2! Today's agenda is to attend the Managing HPC Software Complexity with #Spack workshop. I'm definitely excited to take a deep-dive into the package manager after listening to their #FOSDEM talks earlier this year.

@arichtman iirc, the stuff that seemed slow was compiling from source locally as opposed to a distro’s prebuilt binaries. Package managers like #spack for scientific software also have this problem, but there are binary caches that can be set up for instance. Honestly, the biggest thing that bugs me about brew is the installation: I hate copying a command into my shell from a webpage that executes a curl and then pipes the output into bash.

Bit o' spack wisdom from the Spack Slack

"I have installed GDAL with Spack, and I'm trying to install pip install gdal in my python project. But the python bindings don't link with rpath, and end up not finding them."

"Yeah, for that you’ll probably want to add LD_LIBRARY_PATH to your prefix inspections. Something like:
spack config add "modules:prefix_inspections:./lib:[LD_LIBRARY_PATH]"
spack config add "modules:prefix_inspections:./lib64:[LD_LIBRARY_PATH]"

#Spack just landed on HPC.Social!