@won3d

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 NYC
Joined May 2011
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Chun's law of academic clarity: the clearest description of a paper result is in the related works section of a followup paper.
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1/7 For the past decade, our team at Meta Reality Labs (previously CTRL-labs) has been dedicated to developing a neuromotor interface. Our goal is to address the Human Computer Interaction challenge of providing effortless, intuitive, and efficient input to computers.
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Won Chun retweeted
LEGO
@LEGO_Group2 Dec 2023
Get ready for an all new survival crafting adventure! 🦙 #LEGOFortnite launches in Fortnite on December 7 Find out more: lego.com/fortnite?cmp=OBS-20…
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Fredkin was a big academic influence of mine, although I never met him. A real original thinker. nytimes.com/2023/07/04/scien…

Edward Fredkin, 88, Who Saw the Universe as One Big Computer, Dies (Published 2023)

An influential M.I.T. professor and an outside-the-box scientific theorist, he gained fame with unorthodox views as a pioneer in digital physics.

nytimes.com
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Replying to @cmuratori
@cmuratori from last night's conversation, re: approximation mathworld.wolfram.com/RemezA…
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Also: cbloomrants.blogspot.com/201… (not exactly what we were talking about, but this was one of the things that I was trying to remember)
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And some stuff on cache coherence: stackoverflow.com/questions/…
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Replying to @cmuratori
@cmuratori I only watched the lightboard part of youtube.com/watch?v=gj0ypC0R… but what you describe about active/inactive regions for simulation reminds me alot of guard bands.
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The idea of guard bands for rasterization: clipping in pixel space is easy (simply don't visit pixels outside viewport) but your rasterizer has limited range, so you sometimes need to process the geometry. However, if your range has some margin, then you rarely have to do this...
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...because you only have to clip primitives that have both pixels in the viewport AND extend beyond the margin (the guard band). This should be very rare, and in your case you can just assume that it never happens.
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Negabinary! Looks kind of related to ZigZag encoding with some interesting alternation of bits. Also, does this mean there are nega p-adics?
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Wow, this thread is super cool! h/t @pervognsen
Keenan Crane
@keenanisalive6 May 2020
Very excited to share #SIGGRAPH2020 paper w/ @rohansawhney1 on "Monte Carlo Geometry Processing" cs.cmu.edu/~kmcrane/Projects… We reimagine geometric algorithms without mesh generation or linear solves. Basically "ray tracing for geometry"—and that analogy goes pretty deep (1/n)
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Replying to @nothings
@nothings watching your talk with Jon re: C99 compiler and tokenizing/parsing speed: early V8 implementation didn't have any fancy intermediate representations, it would just re-parse the JS when it needed to. Fast enough for a JIT (for a while, at least).
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Speaking of compacting men, I question the idea that you'll run out of mem bandwidth with a only about one core accessing memory. I mean I guess that could have just been a proxy for cache hotness/utilization, but not bandwidth
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*mem hah
Anyway, I was thinking recently that there is very little language support for heterogeneously structured things packed together. Like VLAs and that's it? Risky things with virtuals and placement new?
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These vector panels at #SIGGRAPH2019 are magic
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Who else is going to #SIGGRAPH2019 ?
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