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vsoch.bsky.social
v
@vsoch.bsky.social
I’m the Vanessasaurus! 🥑
https://vsoch.github.io
We used state machines to orchestrate a complex #HPC workload in #Kubernetes, and performed a Usability study across #Azure, #GoogleCloud, and #AWS with over 28K CPU and 256 GPU that resulted in over 26K datasets!

dl.acm.org/doi/10.1145/...
dl.acm.org/doi/10.1145/...

Will be presented at #SC25.
November 7, 2025 at 7:22 PM
Felt like noodle dancing today - throw back to 1999 and Lou Bega! 🙌

www.youtube.com/watch?v=VGQZ...
Mambo Number Five! 💃
YouTube video by vsoch
www.youtube.com
November 7, 2025 at 2:29 AM
Belated Halloween Dance! 🎃

This is the first time that I've ever attempted this dance - I've seen it enough times that I got the general gist! But let's be real, it's terrible. 😄 I guess I don't care, because I had fun. Happy belated Halloween!
November 2, 2025 at 2:57 AM
💪
October 28, 2025 at 2:40 AM
And so it begins! Is lifting the bar hard for me? Yes. Is my shirt inside out? Also yes. 😂 Am I going to be consistent, and steadfast in my ability to manifest what I want in life? HELL yes. 👏
October 15, 2025 at 10:45 PM
hey @rockylinux.org 👋 We have been getting 404s for some of the Rocky mirrors today (and recently) in our CI. Usually a rerun fixes it, but I wanted to make sure you were aware, and if there is a status page we could refer to for future issues? Thank you! 🙏
October 9, 2025 at 2:40 AM
When things are hard, we remember that we are responsible for ourselves, and the outcomes of our choices. Today I chose strength, and to prove to myself that I am still the strongest person that I know. With time (and protein!) you will see it too. I embrace darkness, but I choose to be a light.
October 6, 2025 at 5:00 AM
It's about time we think more about our job shape. This is something I'm really excited about for #FluxFramework! Have you ever thought about the implications of your flag choices for binding? I made a little tool today (WIP) that can detect (and then predict) topology (binding) down to PU.
October 4, 2025 at 11:56 PM
Developer tip - taking the time to write comments for the next day. If you are a gerbil, a monster, a three toed sloth, or a goblin that will die alone, make sure to be honest with yourself about that. 🧌
September 21, 2025 at 6:46 AM
Da nananana na na na na Batman! 🦇

I got a really challenging build environment working today (took 11 hours 🙃) and then... new track adventure!

youtu.be/on8UcrpMy8c?...

Dirt tracks are slippery, but you can still have a lot of fun! This was 4x400 (4 miles) of a relaxed pace, 3 warm up/cool down.
Da nananana na na na na Batman! 🦇
YouTube video by vsoch
youtu.be
September 14, 2025 at 6:59 AM
What did I do for the holiday weekend? 🤔 Biked around for 15 miles looking for a track. I didn't find one, so opted for paved paths instead. I didn't hit the pace I wanted, but in retrospect, this was a good effort! I ran this at noon on Saturday, when it was in the 90s. 😎
September 2, 2025 at 12:16 AM
I like the message that I imbue this song with - life experience stays with us, and we choose to have strength. Often that means doing things that are hard.

youtu.be/_XtLGncK1pk

Today was my first interval workout - I found a dirt track and maintained a 5:20-6 minute mile pace for 12x300m. 💪
Sword and the Stone ⚔️
YouTube video by vsoch
youtu.be
August 23, 2025 at 11:57 PM
If you missed the #FluxFramework #HPC Innovation Center (HPCIC) Tutorial this year - have no fear! 🦸 We just posted the video online:

youtu.be/EjA3qvbzzHU

See the description for detailed timestamps. You can watch from the start, and I'll highlight 🖊️ sections of interest here. 🧵
HPCIC Tutorial 2025: Flux
YouTube video by vsoch
youtu.be
August 21, 2025 at 5:20 AM
About 76 miles of biking and running since Tuesday. 🌞

youtu.be/JxaVDqKoxa4?...

There is so much beauty out there, and I feel so lucky to have the life experiences that I do. 🥰
Grapes and Golden Hills
YouTube video by vsoch
youtu.be
August 17, 2025 at 2:04 AM
For folks familiar with #SLURM- we are looking for a way to validate SBATCH directives. Slurm has --test-only but it does validation for flags *and* against a cluster, and they seem tied. In #Flux we can validate directives (via a directive parser) separately from resources (feasibility plugin). Ty!
August 6, 2025 at 5:25 PM
This was 20 years ago. When we are young we often can't anticipate oncoming darkness. But we also can't anticipate our own resilience. What we come to realize with experience is that we are always in a mixture of light and shadow. It is a choice to not just see, but try to be a source of light. 🕯️
August 6, 2025 at 5:13 AM
Flux Bird!? WHAT are you doing over there? 🦩

😅
If you know you know 😁

@vsoch.bsky.social
August 5, 2025 at 1:51 AM
Our #SC25 tutorial is up! 🎉

sc25.conference-program.com/presentation...

I'm already excited! We will be co-presenting with #AWS and teaching you how to run #HPC workloads using #Kubernetes with the Flux Operator. And a taste of MuMMI, a workload with Ai/ML components. Hope to see you there! 🥳
August 4, 2025 at 3:58 AM
"When you're the last one in the data center. "

Me: I will do important, serious work.
But also: youtu.be/OImn6x2VQu8?...

🦩
The Last One In the Data Center 😎
YouTube video by vsoch
youtu.be
July 7, 2025 at 5:47 AM
If you missed the #FluxFramework workshop and talks at #HPCKP, they are online!

🥑 Flux Framework Workshop: hpckp.org/talks/flux-n...

The workshop includes an introduction to Flux, a talk on "Flux Environments," a hands on tutorial (actually a container adventure), music video and Jeopardy! 🌀
Flux: Next-Generation Workload Management for High Performance Computing and Cloud - HPCKP
Flux is a next-generation workload manager, the primary means to run workloads on the first NNSA1 exascale system El Capitan that was just announced as the #1 machine on the Top500 list at the Superco...
hpckp.org
July 1, 2025 at 5:34 PM
Please join us this Tuesday, July 1st, at 9am Pacific to learn about my team's work on "Cloud Usability for #HPC Applications" hosted by the #CASS software stewardship organization. Please message or email me for the calendar invite. Hope to see you there!
June 29, 2025 at 6:25 PM
For the first time - user-space Kubernetes running under a Flux allocation on a production cluster. This is OSU and LAMMPS. This has been months of work and persistence. We got this working on an old kernel, and hugely strict security policy. Experiments and more details coming soon! 🥳
June 27, 2025 at 1:20 AM
Reposted by v
We’ve got a request for information out on where we want to take Livermore Computing and other #HPC centers in the next five years.

hpc.llnl.gov/fg-hpcc-rfi

Check it out and send us your thoughts.
Request for Information–Future Generation High Performance Computing Center | HPC @ LLNL
This website enables public access to Request for Information No. HPC-007 (RFI) pertaining to a Future Generation High Performance Computing Center. The RFI points of contact are LLNS Contract Analyst...
hpc.llnl.gov
June 25, 2025 at 11:21 PM
Our post on compatibility using #OCI artifacts in the #Kubernetes blog is hot off the press! 📰

kubernetes.io/blog/2025/06...

We are working on adding an exporter to #NFD for #HPC use cases. github.com/kubernetes-s... and planning experiments. If anyone has ideas, please share in the thread! 👇
Image Compatibility In Cloud Native Environments
In industries where systems must run very reliably and meet strict performance criteria such as telecommunication, high-performance or AI computing, containerized applications often need specific oper...
kubernetes.io
June 25, 2025 at 6:13 AM
For most that missed the #ISC25 Flux Framework Tutorial, we just posted our slides online:

github.com/flux-framewo...

Thank you to those that attended, and see you next time! 👋
June 18, 2025 at 1:29 AM