--- Log opened Wed Oct 05 00:00:38 2022
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07:11 < kanzure> rejoice and hear the screams of victory now that hearing aids no longer require a prescription
07:20 < L29Ah> what a nanny state
07:21 < L29Ah> can you get metformin at least?
07:23 < kanzure> only if it's already too late for you
07:24 < L29Ah> how's the black market doing?
07:47 < kanzure> .title https://www.youtube.com/watch?v=AEGlZkkXm2E
07:47 < saxo> Invited talk Building OpenTitan by Dominic Rizzo, Google - YouTube
07:47 < Muaddib> [AEGlZkkXm2E] Invited talk Building OpenTitan by Dominic Rizzo, Google (61:21)
07:47 < kanzure> cc lkcl 
10:19 < lkcl> kanzure, thx
10:19  * lkcl salutes juri_ 
10:26 < juri_> o/
10:55 < kanzure> spacex valuation is at $120 billion
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11:44 < kanzure> https://www.molecule.to/ https://www.vitadao.com/
13:24 < muurkha> lkcl: I enjoyed reading through the 6600 reference manual and some of Thornton's book the other night
13:25 < muurkha> I'm curious which aspects of its approach to superscalar execution you feel have been neglected
13:48 < docl> .title http://apm.bplaced.net/w/index.php?title=Same_absolute_speeds_for_smaller_machinery
13:48 < saxo> Same absolute speeds for smaller machinery - apm
13:49 < docl> .title http://apm.bplaced.net/w/index.php?title=Scaling_law
13:49 < saxo> Scaling law - apm
13:54 < docl> muurkha: I'm still trying to figure out what makes "projective" geometric algebra different from plain geometric algebra in that 2002.04509 paper. the history section seems to imply it has to do with ideal points which are somehow about parallel lines touching?
13:56 < docl> .t https://math.stackexchange.com/a/2089676
13:56 < saxo> geometry - How do you convince someone that parallel lines can touch/meet? - Mathematics Stack Exchange
13:56 < docl> I guess the idea is including a point at infinity so you can make the math work out despite the lines being parallel
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14:09 < docl> it sounds like naval gazing but I assume there is math that needs it somehow in the context of PGA based software. and it doesn't sound too different from the calculus concept of a limit anyway
14:21 < kanzure> image segmentation.. thing. https://epic-kitchens.github.io/VISOR/
14:42 < fenn> .title https://imagen.research.google/
14:42 < saxo> Imagen: Text-to-Image Diffusion Models
14:43 < fenn> https://phenaki.github.io/ an older google text to video generation AI
14:44 < fenn> unlike other systems, imagen seems pretty good at generating text https://imagen.research.google/main_gallery_images/sprouts-in-the-shape-of-text-imagen.jpg https://imagen.research.google/main_gallery_images/the-toronto-skyline-with-google-brain-logo.jpg
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15:33 < juri_> docl: have you watched the siggraph2019 talk on geometric algrbra?
16:08 < juri_> i think my favorite part of this is my matrix math is all in one place (and not really matrix math?), and no more dual quaternions. the types are much harder to screw up, and as a haskeller... any error you can prevent from compiling makes your program more reliable.
16:22 < docl> juri_: I was just reading the paper -- didn't see the video
16:22 < docl> very cool
16:24 < docl> .yt https://www.youtube.com/watch?v=tX4H_ctggYo
16:24 < Muaddib> [tX4H_ctggYo] Siggraph2019 Geometric Algebra (97:22)
16:25 < juri_> there are three or four geometry engines for PGA. mine's just 2D, and just for my application.
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16:57 < muurkha> docl: in a sense adding an intersection "point" for parallel lines is the same sort of maneuver as adding a "subtraction result" when you subtract greater from less, a "division result" for integers that leave a remainder, or a "square root" for negative numbers
16:57 < muurkha> as I understand it, anywah, which is not much
17:04 < juri_> so, this is really the first algebra system i've known this well. the infinite intersection point (I) is not used very often in my library. rotating, measuring angles, and placing a point on the perpendicular bisector of a line at a given point., 
17:32 < muurkha> I think the main reason for it is to avoid pesky special cases.  it's much nicer to be able to say "given foo, bar, and baz, there exists a quux such that blah blah blah", than to have to add "unless foo is parallel to bar, or bar is parallel to baz, or baz is parallel to foo"
17:39 < juri_> oh, they're still there, they just hide better. sin, cos, tan, and i hide a LOT. i only have to call sin and cos once each, and no tan.
17:39 < juri_> no more having to write that part of the algebra, it just 'falls out'.
17:45 < juri_> there are some cases, when you're doing graphics engine type stuff, where you can skip checks with this system (rotation around infinity is translation, etc). i'm just not doing that stuff, because i'm building an engineering tool. there are no infinite sized prints, and small error in my calculation is more than just a graphics glitch.
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18:36 < heath> https://news.ycombinator.com/item?id=33102059 open source firmware conference
20:59 < lsneff> its super tempting to stay, but I’ll absolutely regret it later if I don’t graduate. i won’t miss out on too much that won’t still be going on this summer
23:57 < fenn> "the talks are all about boot firmware, I wonder why there weren't any about peripheral firmware like for WiFi chips or keyboards etc.
23:58 < fenn> since when is "boot firmware" a phrase?
--- Log closed Thu Oct 06 00:00:39 2022