MenTaLguY on Concurrency

Posted by Nick Sieger Fri, 05 Jan 2007 05:13:00 GMT

Overheard on #rubinius, MenTaLguY, the modern-day concurrent programming guru, on memory barriers:

MenTaLguY: as far as memory barriers go, the issue is that modern processors do all kinds of crazy stuff behind the scenes
MenTaLguY: reordering reads/writes, deferring writethroughs, etc
MenTaLguY: it’s like one of those shady delis where they don’t seem to do much actual deli business, but people are always going in and out and there’s a room in back full of cigar smoke
MenTaLguY: you walk in at the wrong time, and ... well
MenTaLguY: memory barriers are like loudly announcing “WHY, HELLO THERE OFFICER, NICE DAY TODAY, I’M JUST GOING TO THE DELI NOW” before you come in


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