@FioraAeterna @tom_forsyth @cmuratori ..for over a decade, you ought to return your RISC membership card. :)
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Replying to @rygorous
@rygorous@tom_forsyth@cmuratori don't worry, they can find a new way to redefine RISC so it fits1 reply 0 retweets 0 likes -
Replying to @FioraAeterna
@rygorous@tom_forsyth@cmuratori for example, suppose every instruction length divides evenly into the largest length! that's okay, I swear1 reply 0 retweets 0 likes -
Replying to @FioraAeterna
@FioraAeterna@tom_forsyth@cmuratori Noo that means RISC-V is out! Can't do that! They have RISC in the name! Officially!1 reply 0 retweets 1 like -
Replying to @rygorous
@rygorous@tom_forsyth@cmuratori omg, wikipedia says GCN and the nvidia ISAs are "RISC", despite having *texture fetch instructions*1 reply 0 retweets 1 like -
Replying to @FioraAeterna
@FioraAeterna@tom_forsyth@cmuratori And GCN has variable-size instrs too. Anyway, RISC has been a worthless label for years.1 reply 0 retweets 1 like -
Replying to @rygorous
@FioraAeterna@tom_forsyth@cmuratori Turns out, many regs and code with lots of simple instrs=good. Everything else, not that important. :)1 reply 0 retweets 0 likes -
Replying to @rygorous
@FioraAeterna@tom_forsyth@cmuratori Everyone can agree that x86s encoding is a mess, but at the same time, if that's killing Intel,1 reply 0 retweets 0 likes -
Replying to @rygorous
@FioraAeterna@tom_forsyth@cmuratori then it sure isn't showing. :)2 replies 0 retweets 0 likes -
Replying to @rygorous
@FioraAeterna And the lesson in long-term system design, not just CPUs, is that being a mess is survivable but being dogmatic isn't.2 replies 3 retweets 10 likes
@rygorous @FioraAeterna I might suggest the term "intricate puzzle" instead of "mess", although both are appropriate.
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Replying to @cmuratori
@rygorous@FioraAeterna When I read the instruction encoding sections in the Intel architecture manual, it read a lot like bomb defusion.1 reply 0 retweets 4 likes -
Replying to @cmuratori
@rygorous@FioraAeterna "If the red wire crosses over the blue wire before the plug for the green wire, you can cut the orange wire if..."2 replies 0 retweets 5 likes - Show replies
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