看板 FB_chat 關於我們 聯絡資訊
On Sat, 06 Mar 2004 21:53:51 +0000 Colin Percival <colin.percival@wadham.ox.ac.uk> wrote: > At 21:44 06/03/2004, stephan mantler wrote: > >Also, to get a bit closer to the original topic. I can't remember > >where I > >read this (DDJ probably), but apparently programmers who have a deep > >understanding of computer architecture through low level programming > >also produce "better" code in high level languages. My interpretation > >is that they are simply feeding the compiler a better foundation to > >work with. > > Having seen quite a lot of undergraduate "computer science" students > over past decade, I can certainly support that interpretation. Nobody > quite understands why hash tables are not a perfect data structure > until they've tried to implement one in assembly language. (And, > after performing such a task, few people will use hash tables without > asking themselves, at least for a moment, if there might be a cheaper > solution to the problem at hand.) > > Colin Percival Not sure what you mean here... surely it's no easier to implement (say) an AVL tree or a red-black tree in assembly? In fact, I'd think a hash function would often be a good candidate for hand-coded assembly - if you want to play "Beat the Compiler" :) -Chris _______________________________________________ freebsd-chat@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-chat To unsubscribe, send any mail to "freebsd-chat-unsubscribe@freebsd.org"