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Chris Crebolder

@ccrebolder

Research Computing Support Specialist for #matterlab @thematterlab.bsky.social https://matter.toronto.edu and pinch hitter for the Acceleration Consortium @accelerationc.bsky.social https://acceleration.utoronto.ca at #uoft @uoft.bsky.social

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29.11.2024
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Latest posts by Chris Crebolder @ccrebolder

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#JOB OPPORTUNITY: We’re hiring a Research Computing Support Specialist. In this role, you’ll apply your IT expertise to provide technical leadership, programming and software development skills to support the AC’s research in advanced materials discovery!

Apply ➡️ jobs.utoronto.ca/job/Toronto-...

19.03.2025 15:57 👍 2 🔁 4 💬 0 📌 0
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1/3 🧵Quantum conundrum: we want expressive circuits, but current hardware only allows short coherence times, and so more parameters = more problems. Check out our #NeurIPS2024 paper “Quantum Deep Equilibrium Models”.

09.12.2024 08:39 👍 13 🔁 6 💬 1 📌 1

If a proof of concept application does not include a schema for AuthN/AuthZ you are probably proving a different concept than you thought you were

12.12.2024 16:29 👍 0 🔁 0 💬 0 📌 0

It's frankly a complete joke that computer science graduates are not exposed to secure programming and secure by design as part of the CS curriculum. Drop a current required course and add this. There really isn't anything more important.

12.12.2024 16:02 👍 38 🔁 14 💬 7 📌 1

In fact I think they are tacitly encouraged to write programs insecurely, since it is not part of the assignment and skipping or actively bypassing secure design principles gets you to the end goal much faster

12.12.2024 16:21 👍 2 🔁 0 💬 0 📌 0
Cover image for PTB on the "The Journal of Chemical Physics".

Cover image for PTB on the "The Journal of Chemical Physics".

PTB (xtb-docs.readthedocs.io/en/latest/pt...) is finally available on all platforms in xtb>=6.7.0 (github.com/grimme-lab/xtb), including conda-forge – give it a try for electron densities at DFT-level with tight-binding speed and very accurate vibrational spectroscopy intensities! ⚡️ #compchem

12.12.2024 13:54 👍 31 🔁 8 💬 1 📌 0
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Something to Remember Us By: Device Confiscated by Russian Authorities Returned with Monokle-Type Spyware Installed - The Citizen Lab In a joint investigation with The First Department, The Citizen Lab uncovered spyware covertly implanted on the phone of a Russian programmer following his release from Russian custody. The Monokle-li...

Citizen Lab joined forced with First Dept and found spyware covertly implanted on a phone returned to a Russian programmer accused of sending money to Ukraine after he was released from custody.

Featuring the malware analysis stylings of @cooperq.com.

citizenlab.ca/2024/12/devi...

05.12.2024 19:22 👍 56 🔁 19 💬 1 📌 1

I will be at #NeurIPS next week, presenting work on Bayesian Optimization over curried functions at the AI4Mat workshop. We use it to identify general reaction conditions (see below)

If you are around and interested in talking #BayesOpt or #AI4Science, let’s meet

06.12.2024 12:50 👍 8 🔁 4 💬 1 📌 0

Scientists, academics, researchers: We’re excited to share that @altmetric.com is now tracking mentions of your research on Bluesky! 🧪

03.12.2024 14:10 👍 29668 🔁 5025 💬 458 📌 280

Springer wrapped just dropped. My top artist is "log in via an institution to check access."

04.12.2024 18:20 👍 180 🔁 45 💬 5 📌 2

Agreed, I now have to treat the microsoft junk email folder as essentially another inbox to check, so it is not really saving me any time or effort.

03.12.2024 18:09 👍 1 🔁 0 💬 0 📌 0
A visualisation of the nano-gpt LLM

A visualisation of the nano-gpt LLM

Really interesting interactive visualization and demonstration of how Large Language Models (LLMs) work. These form the basis of technologies such as ChatGPT. bbycroft.net/llm 🧪

02.12.2024 11:23 👍 15 🔁 7 💬 0 📌 1
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GitHub - OpenCHAMI/aria2-initrd: experimental repository for using aria2 to download the kernel/initrd over bittorrent experimental repository for using aria2 to download the kernel/initrd over bittorrent - OpenCHAMI/aria2-initrd

Inspired by conversations at #SC24, I've started experimenting with using bittorent for loading the #HPC kernel and initrd on large clusters.

Does anyone else have prior art for this that I couldn't find? Papers? Alternatives?

github.com/OpenCHAMI/ar...

30.11.2024 13:23 👍 7 🔁 4 💬 8 📌 0

You cannot send out $250 cheques to everyone but elderly and disabled people, so for real right now. You look insane. #cdnpoli

29.11.2024 19:08 👍 17 🔁 5 💬 4 📌 1
Critical Mass event
on Friday, November 29, 2024
It’s “Time to Fight Back” for Toronto’s bicycle lanes!
Meet at the main gates of High Park at 6:00 PM.

Critical Mass event on Friday, November 29, 2024 It’s “Time to Fight Back” for Toronto’s bicycle lanes! Meet at the main gates of High Park at 6:00 PM.

Hey, people who ride bicycles in #Toronto! This is happening tonight, Nov. 29, at 6 PM. Meet at the High Park main gate. Route is TBA. Wear warm clothes, clip on your bike lights & bring signs or banners letting motorists know they can thank Doug Ford for the disruption.

#BikeTO #BikeLanes #Bill212

29.11.2024 16:26 👍 98 🔁 35 💬 5 📌 1

Fridays are for closing tabs. And for systems that have been working fine for months or years to suddenly break, resulting in more tabs.

29.11.2024 17:34 👍 2 🔁 0 💬 0 📌 0
Senior Project Administrator Senior Project Administrator

First post is a job post: jobs.utoronto.ca/job/Toronto-...

Come work with us at DCS at #UofT! What HR's posting does not really capture is that the main "project" being administered here is sysadmin for the dept's #AI research group. Run their #slurm cluster, compile software, play with some H100s.

29.11.2024 17:17 👍 2 🔁 0 💬 0 📌 0