Todd Gamblin
@tgamblin.bsky.social
Dev tools, open source, HPC, systems, parallel computing at LLNL. spack.io guy. Setting up http://hpsf.io. Opinions mine. he/him.
Reposted by Todd Gamblin
Made my day when @jeffgeerling.com stopped by the Texas Tech #SC25 booth to take a look at our x86 mini-clusters that run Warewulf, Ansible, Spack, and complete scientific #HPC applications with the same software stack as on our main clusters.
November 18, 2025 at 8:48 PM
Made my day when @jeffgeerling.com stopped by the Texas Tech #SC25 booth to take a look at our x86 mini-clusters that run Warewulf, Ansible, Spack, and complete scientific #HPC applications with the same software stack as on our main clusters.
Reposted by Todd Gamblin
We’re so excited to share that HPSF has been recognized as the Best HPC Collaboration in the 22nd edition of the HPCwire Readers’ Choice Awards! 🏆
Thank you to everyone who voted for HPSF. We’re excited for what the future of HPC holds!
hpsf.io/blog/2025/hp...
Thank you to everyone who voted for HPSF. We’re excited for what the future of HPC holds!
hpsf.io/blog/2025/hp...
November 18, 2025 at 12:58 AM
We’re so excited to share that HPSF has been recognized as the Best HPC Collaboration in the 22nd edition of the HPCwire Readers’ Choice Awards! 🏆
Thank you to everyone who voted for HPSF. We’re excited for what the future of HPC holds!
hpsf.io/blog/2025/hp...
Thank you to everyone who voted for HPSF. We’re excited for what the future of HPC holds!
hpsf.io/blog/2025/hp...
Reposted by Todd Gamblin
HPSF 🤝 SC25
Come say hi at booth 6134!
Come say hi at booth 6134!
November 18, 2025 at 1:04 AM
HPSF 🤝 SC25
Come say hi at booth 6134!
Come say hi at booth 6134!
Reposted by Todd Gamblin
HPSFCon 2026 Call for Proposals are OPEN! 📄
🎤 Submit talks, discussions, lightning sessions, posters that are moving HPC forward
📅 Deadline: January 11, 2026
👉 Submit your proposal here: events.linuxfoundation.org/hpsf-confere...
💭 Learn more about what we are looking for: hpsf.io/blog/2025/hp...
🎤 Submit talks, discussions, lightning sessions, posters that are moving HPC forward
📅 Deadline: January 11, 2026
👉 Submit your proposal here: events.linuxfoundation.org/hpsf-confere...
💭 Learn more about what we are looking for: hpsf.io/blog/2025/hp...
November 20, 2025 at 2:42 PM
HPSFCon 2026 Call for Proposals are OPEN! 📄
🎤 Submit talks, discussions, lightning sessions, posters that are moving HPC forward
📅 Deadline: January 11, 2026
👉 Submit your proposal here: events.linuxfoundation.org/hpsf-confere...
💭 Learn more about what we are looking for: hpsf.io/blog/2025/hp...
🎤 Submit talks, discussions, lightning sessions, posters that are moving HPC forward
📅 Deadline: January 11, 2026
👉 Submit your proposal here: events.linuxfoundation.org/hpsf-confere...
💭 Learn more about what we are looking for: hpsf.io/blog/2025/hp...
Reposted by Todd Gamblin
So proud to be recognized as the Readers' Choice for Best HPC Collaboration in HPCwire!
Thank you once again to everyone who voted, and everyone who visited us at SC this week! 💚 💙 ❤️
Thank you once again to everyone who voted, and everyone who visited us at SC this week! 💚 💙 ❤️
November 20, 2025 at 8:31 PM
So proud to be recognized as the Readers' Choice for Best HPC Collaboration in HPCwire!
Thank you once again to everyone who voted, and everyone who visited us at SC this week! 💚 💙 ❤️
Thank you once again to everyone who voted, and everyone who visited us at SC this week! 💚 💙 ❤️
Reposted by Todd Gamblin
Spack v1.1.0 and spack-packages v2025.11.0 are out!
🥳Features:
🏗️ Compiler control (unmixing, %%)
📦 Improved externals
⬇️ Git fetching
😌 Configurable config
👩🏻🔬Experimental:
👩🏻💻 New parallel console UI
🏎️ Concretization caching
More here!
github.com/spack/spack/...
🥳Features:
🏗️ Compiler control (unmixing, %%)
📦 Improved externals
⬇️ Git fetching
😌 Configurable config
👩🏻🔬Experimental:
👩🏻💻 New parallel console UI
🏎️ Concretization caching
More here!
github.com/spack/spack/...
Release v1.1.0 (2025-11-14) · spack/spack
v1.1.0 features major improvements to compiler handling and configuration management, a significant refactoring of externals, and exciting new experimental features like a console UI for parallel i...
github.com
November 15, 2025 at 6:24 PM
Spack v1.1.0 and spack-packages v2025.11.0 are out!
🥳Features:
🏗️ Compiler control (unmixing, %%)
📦 Improved externals
⬇️ Git fetching
😌 Configurable config
👩🏻🔬Experimental:
👩🏻💻 New parallel console UI
🏎️ Concretization caching
More here!
github.com/spack/spack/...
🥳Features:
🏗️ Compiler control (unmixing, %%)
📦 Improved externals
⬇️ Git fetching
😌 Configurable config
👩🏻🔬Experimental:
👩🏻💻 New parallel console UI
🏎️ Concretization caching
More here!
github.com/spack/spack/...
Reposted by Todd Gamblin
Me in the airport after not having slept, passing -mcmodel=large to the compiler for the fifth time hoping it fixes my GOT relocation issues
October 14, 2025 at 5:44 AM
Me in the airport after not having slept, passing -mcmodel=large to the compiler for the fifth time hoping it fixes my GOT relocation issues
Reposted by Todd Gamblin
Reposted by Todd Gamblin
A Fedora fork called M’linux
Are you allowed to claim Linux cred if it’s Fedora
October 8, 2025 at 2:30 AM
A Fedora fork called M’linux
Reposted by Todd Gamblin
Ask not for whom the bell tolls, it tolls for ^G
October 6, 2025 at 4:53 PM
Ask not for whom the bell tolls, it tolls for ^G
Reposted by Todd Gamblin
Join us in Chicago in March, when we'll hold the second in-person Spack User Meeting in conjunction with HPSFCon 2026!
Stay tuned for details! #hpc #hpsf #spack
Stay tuned for details! #hpc #hpsf #spack
Great news! The date & location is locked in for #HPSFCon 2026. Save the date:
➡️ HPSF Conference
📅 March 16-20, 2026
📍 Chicago, IL
The 2nd annual HPSFCon will again bring together the brightest minds in high performance software. Stay tuned for CFP & registration details later this month.
➡️ HPSF Conference
📅 March 16-20, 2026
📍 Chicago, IL
The 2nd annual HPSFCon will again bring together the brightest minds in high performance software. Stay tuned for CFP & registration details later this month.
October 1, 2025 at 11:37 PM
Reposted by Todd Gamblin
Great news! The date & location is locked in for #HPSFCon 2026. Save the date:
➡️ HPSF Conference
📅 March 16-20, 2026
📍 Chicago, IL
The 2nd annual HPSFCon will again bring together the brightest minds in high performance software. Stay tuned for CFP & registration details later this month.
➡️ HPSF Conference
📅 March 16-20, 2026
📍 Chicago, IL
The 2nd annual HPSFCon will again bring together the brightest minds in high performance software. Stay tuned for CFP & registration details later this month.
October 1, 2025 at 6:42 PM
Great news! The date & location is locked in for #HPSFCon 2026. Save the date:
➡️ HPSF Conference
📅 March 16-20, 2026
📍 Chicago, IL
The 2nd annual HPSFCon will again bring together the brightest minds in high performance software. Stay tuned for CFP & registration details later this month.
➡️ HPSF Conference
📅 March 16-20, 2026
📍 Chicago, IL
The 2nd annual HPSFCon will again bring together the brightest minds in high performance software. Stay tuned for CFP & registration details later this month.
Reposted by Todd Gamblin
📢 Talk Announcement
"Reproducible software provisioning for high performance computing (HPC) and research software engineering (RSE) using Spack", by Martin Lang and Hans Fangohr.
📜 pretalx.com/pydata-paris-2025/talk/8C889E
📅 pydata.org/paris2025/schedule
🎟 pydata.org/paris2025/tickets
"Reproducible software provisioning for high performance computing (HPC) and research software engineering (RSE) using Spack", by Martin Lang and Hans Fangohr.
📜 pretalx.com/pydata-paris-2025/talk/8C889E
📅 pydata.org/paris2025/schedule
🎟 pydata.org/paris2025/tickets
September 16, 2025 at 7:01 AM
📢 Talk Announcement
"Reproducible software provisioning for high performance computing (HPC) and research software engineering (RSE) using Spack", by Martin Lang and Hans Fangohr.
📜 pretalx.com/pydata-paris-2025/talk/8C889E
📅 pydata.org/paris2025/schedule
🎟 pydata.org/paris2025/tickets
"Reproducible software provisioning for high performance computing (HPC) and research software engineering (RSE) using Spack", by Martin Lang and Hans Fangohr.
📜 pretalx.com/pydata-paris-2025/talk/8C889E
📅 pydata.org/paris2025/schedule
🎟 pydata.org/paris2025/tickets
Reposted by Todd Gamblin
Spack v1.0.2 is out! This release has a number of bug fixes and some improvements. #hpc #packaging
See the notes for details:
github.com/spack/spack/...
See the notes for details:
github.com/spack/spack/...
Release v1.0.2 (2025-09-11) · spack/spack
Bug Fixes
spack config edit can now open malformed YAML files. (#51088)
spack edit -b supports specifying the repository path or its namespace. (#51084)
spack repo list escapes the color code for ...
github.com
September 16, 2025 at 9:10 PM
Spack v1.0.2 is out! This release has a number of bug fixes and some improvements. #hpc #packaging
See the notes for details:
github.com/spack/spack/...
See the notes for details:
github.com/spack/spack/...
Reposted by Todd Gamblin
Installing your software packages with Spack
YouTube video by Sharcnet HPC
www.youtube.com
September 16, 2025 at 4:28 AM
Reposted by Todd Gamblin
Don't miss our 4️⃣ day tutorial - Intro to Performance Portable #HPC Development with Spack, Kokkos, & Trilinos - at International Conference on Parallel Processing (ICPP) in San Diego, CA from September 8-11
Early registration savings end on August 20th 👉 Register: icpp2025.sdsc.edu/registration
Early registration savings end on August 20th 👉 Register: icpp2025.sdsc.edu/registration
August 14, 2025 at 7:15 PM
Don't miss our 4️⃣ day tutorial - Intro to Performance Portable #HPC Development with Spack, Kokkos, & Trilinos - at International Conference on Parallel Processing (ICPP) in San Diego, CA from September 8-11
Early registration savings end on August 20th 👉 Register: icpp2025.sdsc.edu/registration
Early registration savings end on August 20th 👉 Register: icpp2025.sdsc.edu/registration
Reposted by Todd Gamblin
Spack v1.0.1 is out!
github.com/spack/spack/...
This is a bug fix release -- check out the release notes for details! #hpc #spack
github.com/spack/spack/...
This is a bug fix release -- check out the release notes for details! #hpc #spack
Release v1.0.1 (2025-08-11) · spack/spack
Bug Fixes
Ensure forward compatibility of package hashing with the upcoming Python 3.14 release. (#51042)
The spack diff command now shows differences in runtime dependencies (e.g., gcc-runtime, g...
github.com
August 13, 2025 at 7:36 PM
Spack v1.0.1 is out!
github.com/spack/spack/...
This is a bug fix release -- check out the release notes for details! #hpc #spack
github.com/spack/spack/...
This is a bug fix release -- check out the release notes for details! #hpc #spack
Reposted by Todd Gamblin
We're looking forward to participating in the 2025 International Conference on Parallel Processing (ICPP) 🤓
We'll be having a hands on workshop showcasing an introduction to Performance Portable HPC Development with Spack, Kokkos, and Trilinos.
See you there ✨ hpsf.io/blog/2025/hp...
We'll be having a hands on workshop showcasing an introduction to Performance Portable HPC Development with Spack, Kokkos, and Trilinos.
See you there ✨ hpsf.io/blog/2025/hp...
July 31, 2025 at 4:13 PM
We're looking forward to participating in the 2025 International Conference on Parallel Processing (ICPP) 🤓
We'll be having a hands on workshop showcasing an introduction to Performance Portable HPC Development with Spack, Kokkos, and Trilinos.
See you there ✨ hpsf.io/blog/2025/hp...
We'll be having a hands on workshop showcasing an introduction to Performance Portable HPC Development with Spack, Kokkos, and Trilinos.
See you there ✨ hpsf.io/blog/2025/hp...
Reposted by Todd Gamblin
Further update as of ~9:20pm Pacific Time on 7/29: There has been a *localized* upgrade to Tsunami Warning for segment of NorCal coast due to potential for <6 ft inundation near Crescent City. Rest of U.S./Canada West Coast remain under (lesser) Advisory. tsunami.gov/events/P...
July 30, 2025 at 4:24 AM
Further update as of ~9:20pm Pacific Time on 7/29: There has been a *localized* upgrade to Tsunami Warning for segment of NorCal coast due to potential for <6 ft inundation near Crescent City. Rest of U.S./Canada West Coast remain under (lesser) Advisory. tsunami.gov/events/P...
Reposted by Todd Gamblin
Congratulations! That’s a huge milestone and so cool to see
July 20, 2025 at 10:34 PM
Congratulations! That’s a huge milestone and so cool to see
Reposted by Todd Gamblin
💥Spack v1.0 is out!💥
This is a huge milestone. We reworked the core to add compiler dependencies, and we're introducing a stable package API.
🚀1.0 also adds concurrent builds, better includes, and much more -- read it all in the release notes!
github.com/spack/spack/...
This is a huge milestone. We reworked the core to add compiler dependencies, and we're introducing a stable package API.
🚀1.0 also adds concurrent builds, better includes, and much more -- read it all in the release notes!
github.com/spack/spack/...
github.com
July 20, 2025 at 10:45 AM
💥Spack v1.0 is out!💥
This is a huge milestone. We reworked the core to add compiler dependencies, and we're introducing a stable package API.
🚀1.0 also adds concurrent builds, better includes, and much more -- read it all in the release notes!
github.com/spack/spack/...
This is a huge milestone. We reworked the core to add compiler dependencies, and we're introducing a stable package API.
🚀1.0 also adds concurrent builds, better includes, and much more -- read it all in the release notes!
github.com/spack/spack/...