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Zach Brockway

@neverender.bsky.social
227 followers 851 following 79 posts

Senior virtual production programmer @ Epic Games. Previously: XR/firmware @ OptiTrack. Spare time: Getting up to speed on ML. Back in the Pacific Northwest. Also @Zach@mastodon.gamedev.place.

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Reposted by Zach Brockway
🐔 Brian Bucklew 🐔 ₑͤ>∿<ₑͤ ∞🌮 @unormal.bsky.social · 16/06/2026
everyone reading this post and some of the actual replies: "ah no he has a point i actually do hate programmers haha but we should destroy them ethically"
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Zach Brockway @neverender.bsky.social · 05/02/2026
Rust Cohle anxiously taking a drag of his cigarette and looking at his phone, except the cherry of the cigarette is the Claude logo.
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Zach Brockway @neverender.bsky.social · 27/01/2026
Deleting Signal now that I know it's compromised. Find me in AOL Instant Messenger Gaming Chat.
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Zach Brockway @neverender.bsky.social · 27/01/2026
Poor Gemini, man. It must be exhausting to be continually jump scared by any mention of a too-big version number, or god forbid the calendar year. How many tokens are collectively spent on its mini-existential crises?
A series of Gemini reasoning summaries:
- "Verifying Model Existence"
- "Clarifying Simulated Reality"
- "Confirming Future Scenario"
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Reposted by Zach Brockway
Ryan Moulton @moultano.bsky.social · 24/01/2026
After all this is over, we need to pass a law that makes social media posts from official agency accounts like this subject to perjury, equivalently to testimony before Congress. It is too destructive to the country to let them keep lying and lying and lying without any possible legal remedy.
Dhs lies
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Reposted by Zach Brockway
rev. howard arson @theophite.bsky.social · 10/06/2025
the key which unlocks Demis' entire deal is that he used to work for Peter Molyneux
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Zach Brockway @neverender.bsky.social · 05/06/2025
Headline with man smiling: "Heartwarming: The Worst People You Know Are All Fighting"

(Variation on classic Clickhole "Heartbreaking: Worst Person You Know Made a Great Point" post)
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Zach Brockway @neverender.bsky.social · 29/05/2025
There are dozens of us—DOZENS!
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Reposted by Zach Brockway
Ryan Moulton @moultano.bsky.social · 30/04/2025
We should have a made a world where giving a child a tablet was as wholesome and enriching as giving them Encarta 95 or a stack of DK books. I still don't entirely understand why we failed.
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Reposted by Zach Brockway
Tim Duffy @timfduffy.com · 29/04/2025
I've cobbled together syco-bench, a benchmark of model sycophancy. It consists of tests measuring three things: bias towards user in an argument, mirroring user views, and overestimating user IQ. Here are the results, higher scores are worse. See the following tweet for important caveats:
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Zach Brockway @neverender.bsky.social · 06/04/2025
Rare Anthropic tokenizer alpha. (h/t @andersonbcdefg.bsky.social)
"We will introduce our methodology for constructing attribution graphs while working through a case study regarding the model’s ability to write acronyms for arbitrary titles. In the example we study, the model successfully completes a fictional acronym. Specifically, we give the model the prompt `The National Digital Analytics Group (N` and sample its completion: `DAG)`. The tokenizer the model was trained with uses a special “Caps Lock” token, which means the prompt and completion are tokenized as follows: `The` `National` `Digital` `Analytics` `Group`  `(``⇪``n``dag`.""The tokenizer used by Claude 3.5 Haiku includes some special tokens which are depicted in some of our plots. These include two capitalization tokens (↑, ⇪) and a new-line token (⏎)."
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Zach Brockway @neverender.bsky.social · 28/11/2024
Don’t mind me, I’ll just be over here using my Super FX chip to design stealth aircraft.
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Zach Brockway @neverender.bsky.social · 18/11/2024
Really great talk. How do you take a microbenchmark from a noisy ~637ns* per iteration (with spikes to 10+µs!), to an extremely tight ~163ns? TIL you can isolate cores from the Linux kernel scheduler. Also, if Intel Processor Trace turns out not to be really usable on Windows, I will be very sad.
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Reposted by Zach Brockway
Eugene Vinitsky 🍒 @eugenevinitsky.bsky.social · 16/11/2024
A physical reasoning agent, trained on millions of problems, that you can test out by coming up with physics puzzles and seeing if it can solve them. It's fun to see if you can stump it: kinetix-env.github.io
kinetix-env.github.io
Investigating large-scale training of RL agents in a vast and diverse space of simulated tasks
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Zach Brockway @neverender.bsky.social · 13/11/2024
"When I choose to see the good side of things, I'm not being naive. It is strategic and necessary. It's how I've learned to survive through everything."
"CEO" Waymond from the film Everything Everywhere All at Once.
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Reposted by Zach Brockway
Keenan Crane @keenancrane.bsky.social · 12/11/2024
Even though Newton's laws are deterministic, the behavior of many interacting bodies is so chaotic that it looks essentially "random." Statistical mechanics effectively says: why bother with all those complex trajectories? Just go ahead and replace them with truly random motion.
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Zach Brockway @neverender.bsky.social · 12/11/2024
Unreal 5.5 is out! Including shiny new Virtual Scouting documentation for the shiny production-ready Virtual Scouting! dev.epicgames.com/documentatio...
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Zach Brockway @neverender.bsky.social · 12/11/2024
"In the video we visualize the analytically computed input space partition formed by the neuron-thresholds (black lines) and decision boundary (red line) of a ReLU-MLP, around three MNIST training samples (white stars)." Also, @theophite.bsky.social has a singular gift for explaining this stuff.
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Reposted by Zach Brockway
Eugene Vinitsky 🍒 @eugenevinitsky.bsky.social · 11/11/2024
This is kinda wild but the first edition of RLJ, the first journal on reinforcement learning, is out! rlj.cs.umass.edu
rlj.cs.umass.edu
RLJ · Home
Reinforcement Learning Journal (RLJ)
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Reposted by Zach Brockway
Ryan Schmidt @rms80.bsky.social · 11/11/2024
just posted an update to my UE Toolbox, fixing a few bugs and adding some new drawing tools. A great thing about not being tied to the UE release cycle is that I can do this every week, not twice a year!
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Reposted by Zach Brockway
Nikita Lisitsa @lisyarus.bsky.social · 10/11/2024
The next 3 articles in my CPU rasterizer tutorial series are done! These are all about adding full 3D support, with perspective projection, perspective interpolation, triangle clipping, and a depth buffer. lisyarus.github.io/blog/posts/i...
lisyarus.github.io
Implementing a tiny CPU rasterizer | Part 4: Changing perspective
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Reposted by Zach Brockway
thebes @vgel.me · 08/11/2024
going and going
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Eugene Vinitsky 🍒 @eugenevinitsky.bsky.social · 07/11/2024
You can ask an ML question here and have it answered! Everything trending up
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Reposted by Zach Brockway
rev. howard arson @theophite.bsky.social · 06/11/2024
the money which Harris spent in the last three months could have bought Sinclair Media and had 400 million left over to run the Obama 2008 campaign
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Zach Brockway @neverender.bsky.social · 03/11/2024
Thread of threads I've enjoyed reading as I try to wrap my head around Bluesky/atproto, how it relates to Mastodon/ActivityPub, decentralization, et cetera. I expect I'll keep adding to this over time. 🧵
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Reposted by Zach Brockway
Nikita Lisitsa @lisyarus.bsky.social · 01/11/2024
I'm starting the tutorial series on writing your own CPU rasterization engine! It will be huge, so I'll publish it piece by piece. The first three articles are already live 🥰 lisyarus.github.io/blog/posts/i...
lisyarus.github.io
Implementing a tiny CPU rasterizer
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Reposted by Zach Brockway
Kathryn Tewson @kathryntewson.bsky.social · 01/11/2024
And, indeed, Musk’s action has not remained in federal court. Judge Pappert makes swift and nearly disdainful work of Musk’s attempts to grasp at federal jurisdiction. storage.courtlistener.com/recap/gov.us...
storage.courtlistener.com
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Zach Brockway @neverender.bsky.social · 25/10/2024
Cancelled Amazon Prime and would encourage anyone reading this to do the same. It’s all fake reviews and bootleg inventory contamination at this point anyway.
Email: “Confirmation: Your Prime membership will not renew.”
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Reposted by Zach Brockway
Dave Weigel @daveweigel.bsky.social · 25/10/2024
"The decision not to publish was made by The Post’s owner — Amazon founder Jeff Bezos." I worked at the paper for seven years and Bezos never interfered with a thing. This is five-alarm fire stuff. www.washingtonpost.com/style/media/...
washingtonpost.com
The Washington Post says it will not endorse a candidate for president
For the first time in 40 years, The Washington Post’s editorial board announced Friday that it will not make an endorsement in this year’s presidential contest.
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Zach Brockway @neverender.bsky.social · 24/10/2024
Biden / Harris “I did that!” / “I helped!” sticker.
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Zach Brockway @neverender.bsky.social · 24/10/2024
I remember when, unfamiliar with the mythology, I found out why they called it the orthogonal Procrustes problem. I think I did a double take. en.wikipedia.org/wiki/Orthogo...
en.wikipedia.org
Orthogonal Procrustes problem - Wikipedia
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Zach Brockway @neverender.bsky.social · 22/10/2024
Get ‘em! No sketchy javascript pasting required.
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Zach Brockway @neverender.bsky.social · 14/02/2024
Indescribably disappointed that this was not a Herman Miller x Mass Effect crossover.
Adjacent marketing emails. One from Bungie, advertising Mass Effect cosmetics for Destiny. The other from Herman Miller, advertising 20% off "the Asari Chair."
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