ID_AA_Carmack
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@ How does left/right side matter for music, assuming no visual element?
19 minutes ago
via web
in reply to BenjaminCousins
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Minor irritation of the day: headphones that don't label the left and right side. No big deal for music, but annoying for gaming.
about 7 hours ago
via web
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@ I saw someone with a full torso tattoo of the Doom cover art. I don't think it was a wise move...
11:14 PM May 26th
via Twitter for iPhone
in reply to TbrGames
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It's a good day when you can remove an epsilon from an algorithm!
7:14 PM May 24th
via Twitter for iPhone
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@ I can't think of a CPU that gives threads private cache -- if you are duplicating cache, you might as well add functional units...
5:02 PM May 24th
via web
in reply to ShawnKC
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@ the actual cost of the lock isn't bad, but another thread out of my control sometimes preempts while it is held, stalling the rest
2:19 PM May 24th
via web
in reply to _Humus_
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I can’t think of any valid reason to have a SW thread locked to a particular HW thread, as opposed to a particular HW core. Anyone?
12:03 PM May 24th
via web
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@ You are right, of course -- in a fresh design you want essentially no contention, but when working with an existing codebase...
11:08 AM May 24th
via web
in reply to olson_dan
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It can be startling how much a mutex can hurt with a half dozen threads running. Atomic interlocked variables FTW!
10:17 AM May 24th
via web
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@ I hope we get more intra-company feedback in the next product cycle than we did during Rage
10:05 AM May 24th
via web
in reply to mrshlubb
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@ I usually use hz when talking about displays or games running at display limits, but I agree, FPS is often more appropriate.
5:33 AM May 24th
via Twitter for iPad
in reply to smoke_tetsu
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@ I was around in sci.space.* a long time ago, and comp.sys.next a very long time ago.
4:38 PM May 22nd
via web
in reply to MPSebar
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Congratulations to SpaceX on a successful Falcon 9 + Dragon launch! @ uses his wealth well.
7:40 AM May 22nd
via web
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The collection of VGA / DVI / HDMI / mini-HDMI / DP / mini-DP adapters cluttering my office is getting a bit ridiculous.
2:55 PM May 21st
via web
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@ A Deepness in the Sky
7:35 AM May 21st
via web
in reply to Gedmark
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@ thanks, that is interesting; if the software buffering can be configured efficiently, latency could be quite small.
10:26 AM May 20th
via Twitter for iPhone
in reply to divideconcept
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@ There will still be lots of 30hz games, which I don't think it is a good trade. If TVs didn't add lag, it would be more clear cut
5:55 PM May 19th
via web
in reply to Razor81_
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A multi-source ultrasonic Doppler sensor seems like a good idea, the positional equivalent of rate gyros. One integration is ok, two isn’t.
5:06 PM May 19th
via web
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@ @ Hooray internet -- extrapolate and infer from a non-hatred of Derbyshire that I "hate black people". I don't.
6:34 AM May 19th
via Twitter for iPhone
in reply to MoritzPGKatz
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@ "humans don't see more than 24 hz" is wrong on many levels; I wish the meme would die.
6:29 AM May 19th
via Twitter for iPhone
in reply to int_SiPlus_void
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- Name John Carmack
- Location Dallas, TX
- Web http://www.idsoft...
- Bio Founder and technical director of Id Software (Wolfenstein, Doom, Quake, Rage) and Armadillo Aerospace
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