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Chris Green

@aachrisg@mastodon.gamedev.place
mastodon 4.6.6
  • Open on mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

0 Followers
0 Following
33 Posts
Joined August 26, 2024
The least toxic and most interesting social network:
https://www.goodreads.com/user/show/28185427-chris-green
Me talking about doing texture mapping in the 80s/early 90s:
https://youtu.be/xn76r0JxqNM?si=KXGhgSAyUxubHAXp

Posts

Open post
Chris Green @aachrisg@mastodon.gamedev.place · May 15, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @tante@tldr.nettime.org
@tante@tldr.nettime.org Value is what people are willing to pay for it. Overwhelmingly, people have shown that they do not value it enough to pay as much for it as it costs to make/provide. I'm not aware of any meaningfully large counterexamples?
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Chris Green @aachrisg@mastodon.gamedev.place · May 09, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @TomF@mastodon.gamedev.place
@TomF@mastodon.gamedev.place switch in Eigen for the vector math library?
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Chris Green @aachrisg@mastodon.gamedev.place · May 07, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place

I have no idea if it is the actual _best_ open source screenshot program for windows, but Flameshot certainly blows away any of the ones included with the OS (it runs on linux as well).

https://flameshot.org/

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Open post
Chris Green @aachrisg@mastodon.gamedev.place · May 04, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place

I had an afternoon last week with no internet and a service call so I used the downtime to straighten up and tweak my home office slash #homelab

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Open post
Chris Green @aachrisg@mastodon.gamedev.place · May 03, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place

Man, George Clinton landing the mothership at the NOLA Essence festival in July is hard to resist even with the insane heat and crowds. They should do it at that vegas dome, it's the only thing I could imagine that would draw me there.

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Open post
Chris Green @aachrisg@mastodon.gamedev.place · May 01, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place

I wonder just how much ethernet traffic these ryzen mini-pc's can handle? Quite a lot actually:

2x10g built in
25GB RDMA NIC card added to the pci slot.

and...

2x USB-C 10Gbe NICs!!
These systems have two high end USB4 ports, and Iperf3 has no problem exceeding 9Gb/s with this $99 USB NIC.

I tried out the 10GB USB just out of curiosity. I'm not actually going to buy and plug in 8 of those 🙂
#homelab

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Open post
Chris Green @aachrisg@mastodon.gamedev.place · May 01, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place

RE: @wilfredh@mastodon.social

There is an #emacs wrapper of course (haven't tried it). https://github.com/pkryger/difftastic.el

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Open post
Chris Green @aachrisg@mastodon.gamedev.place · May 01, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place

If you took the word embeddings from an LLM model and fed them to phylogenetic tree construction software such as MrBayes, I wonder if the results would be interesting either in terms of actual word origin or (more likely) hierarchical categorization.

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Open post
Chris Green @aachrisg@mastodon.gamedev.place · Apr 30, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place

As the stochastic parrots run out of anything to consume except their own excreta, I wonder if there will be monetary value in large "obsolete" codebases that have never been on the internet as training data.

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Open post
Chris Green @aachrisg@mastodon.gamedev.place · Apr 30, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @kickingvegas@sfba.social
@kickingvegas@sfba.social thanks! One thing I would say though is that it should be impossible for these commands to do anything "catastrophic" if your emacs backup file settings are solid (ie keeping a LOT of versions).
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Open post
Chris Green @aachrisg@mastodon.gamedev.place · Apr 25, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @dgar@aus.social
@dgar The simplest models have 3 terms. https://en.wikipedia.org/wiki/Compartmental_models_(epidemiology)
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Open post
Chris Green @aachrisg@mastodon.gamedev.place · Apr 18, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @code_disaster@mastodon.gamedev.place
@code_disaster @lritter @grumpygamer Just need to be able to invert those cost functions in your navigation to get the enemies to seek out your bullets.
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Open post
Chris Green @aachrisg@mastodon.gamedev.place · Apr 17, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @grumpygamer@mastodon.gamedev.place
@grumpygamer Good games rely on artificial stupidity to balance the artifical intelligence.
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Open post
Chris Green @aachrisg@mastodon.gamedev.place · Apr 14, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @xkcd@mastodon.com.br
@xkcd Dee Dee nailed it, no need to change.
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Open post
Chris Green @aachrisg@mastodon.gamedev.place · Apr 11, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @mcmartin@mastodon.gamedev.place
@mcmartin@mastodon.gamedev.place uranium is so lame that its stable decay product is at least as toxic. it's so lame that when Marie Curie chemically removed it from uranium ore, it got _more_ radioactive. https://youtu.be/9vQaVIoEjOM?si=T88uu9EO0A9lnNIJ
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Open post
Chris Green @aachrisg@mastodon.gamedev.place · Apr 11, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @icecreamjonsey@mastodon.gamedev.place
@icecreamjonsey@mastodon.gamedev.place Overhyped for billions of years. Get over yourself uranium. Oklo was a long time ago and those days are never coming back.
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Open post
Chris Green @aachrisg@mastodon.gamedev.place · Apr 11, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @icecreamjonsey@mastodon.gamedev.place
@icecreamjonsey@mastodon.gamedev.place Uranium is only slightly more radioactive than dirt, go for it!
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Open post
Chris Green @aachrisg@mastodon.gamedev.place · Apr 06, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @kimu@wandering.shop
@kimu@wandering.shop It's also the closest thing we have to a dementia vaccine.
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Open post
Chris Green @aachrisg@mastodon.gamedev.place · Apr 05, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @NohatCoder@mastodon.gamedev.place
@NohatCoder cache misses :(
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Open post
Chris Green @aachrisg@mastodon.gamedev.place · Mar 19, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @Lana@beige.party
Perhaps reading them one of the many nice age-appropriate children's books on the subject like "Heather has two mommies" instead of trying to take those books out of the schools and libraries :)
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Open post
Chris Green @aachrisg@mastodon.gamedev.place · Mar 19, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @rovarma@mastodon.gamedev.place
@rovarma@mastodon.gamedev.place @aras@mastodon.gamedev.place Thanks, I'll have to take a look. I had to figure out what was going on with a non-booting mini-pc recently and it sure would have been nice to watch kernel log output on my main desktop (and 200K faster throughput as a bonus).
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Open post
Chris Green @aachrisg@mastodon.gamedev.place · Mar 19, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @rovarma@mastodon.gamedev.place
@rovarma@mastodon.gamedev.place @aras@mastodon.gamedev.place Its not about $, it's about getting a 1:N connection for kernel-level logs for about the same cost as 1:1. And w/o running any (severely limited length) thick cables. My home office is kind of sprawling :-). I tend to use tablets as log displayers too.
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Open post
Chris Green @aachrisg@mastodon.gamedev.place · Mar 18, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @rovarma@mastodon.gamedev.place
@rovarma@mastodon.gamedev.place @aras@mastodon.gamedev.place Will a cheap rs232 to ethernet adapter + rs232 card work for kernel debuggjng? The advantage would be that you only need this on the target machine to gain access to it from any computer that can see its ip addr.
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Open post
Chris Green @aachrisg@mastodon.gamedev.place · Mar 02, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @cmconseils__dup_986@mastodon.social
@cmconseils@mastodon.social Phylogenetic bracketing says no 🙂
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Open post
Chris Green @aachrisg@mastodon.gamedev.place · Feb 22, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @jyrgenn@mas.to
@jyrgenn @jguillaumes @javerous @drikanis @ludicity I first used it under rsts/e on a pdp-11/70 so when I got access to a vax 780 I stuck with it.
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Chris Green @aachrisg@mastodon.gamedev.place · Feb 22, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @jguillaumes@mastodont.cat
@jguillaumes @jyrgenn @javerous @drikanis @ludicity TECO! (I was using paper terminals, mainly a Silent 700).
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Open post
Chris Green @aachrisg@mastodon.gamedev.place · Feb 22, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @aachrisg@mastodon.gamedev.place
Nowadays you could memory leak a string big enough to hold the entire DCL manual and barely notice. @jguillaumes @javerous @drikanis @ludicity
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Chris Green @aachrisg@mastodon.gamedev.place · Feb 22, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @jguillaumes@mastodont.cat
I remember those big binders for VMS and RSTS! @jguillaumes @javerous @drikanis @ludicity
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Chris Green @aachrisg@mastodon.gamedev.place · Feb 21, 2026
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @javerous@social.sourcemac.com
@javerous @drikanis @ludicity The same thing happened with the web years ago.. programmers who claim to be fluent in a language or algorithms who are completely unable to program without constant googling for even basic stuff.
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Chris Green @aachrisg@mastodon.gamedev.place · Nov 26, 2025
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @catsalad__dup_5@infosec.exchange
@catsalad@infosec.exchange
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Chris Green @aachrisg@mastodon.gamedev.place · Sep 06, 2025
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @IngloGamesDev@mastodon.gamedev.place
@IngloGamesDev@mastodon.gamedev.place If a company had actually developed tech with the programming productivity improvements they claim, what they are doing with it (selling it at a loss) would be insane. The smart move would be to keep it to yourself and become a top tier software development company. If Copilot delivered, why the hell would MS let their competitors use it?
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Chris Green @aachrisg@mastodon.gamedev.place · Sep 01, 2025
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @RickiTarr@beige.party
@RickiTarr@beige.party Especially at the top. Ask one of the LLMs "If you were the CEO of what would be your strategy for growing the company and what products would you develop?". It seems to spit out vague BS as well as most "real" CEOs.
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Chris Green @aachrisg@mastodon.gamedev.place · Jan 19, 2025
Chris Green
@aachrisg@mastodon.gamedev.place

Valve software from hl2 on. Retired for the 2nd time. gfx,simulation,parallelism,math,AI,HW,VR,game engines. Magic Online,Ultima Underworld,AmigaOS,Flight Sim ii, Scuba,Paleontology. ~40years experience.

mastodon.gamedev.place
Replying to @johncarlosbaez@mathstodon.xyz
@johncarlosbaez@mathstodon.xyz @metaweta@mathstodon.xyz cool but "life form" is a stretch as they lack metabolism.
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