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From: erik quanstrom <quanstro@coraid.com>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] Re: what about microkernel?
Date: Mon,  8 Oct 2007 10:50:42 -0400	[thread overview]
Message-ID: <546ad2649cbc93791073f5b40499e60e@coraid.com> (raw)
In-Reply-To: <283f5df10710080620x5a5ec548pa530b38df41833ab@mail.gmail.com>

> His original Kernel, L3, was written in pure assembly for x86, using every
> trick possible.
> 

there's nothing wrong with assembly per ce, but i don't follow this logic.
generally speaking, compilers are better than humans at doing instruction
scrabble.  and worse, optimal instructions are a function of (at least) the
cpu model, northbridge and memory, as slightly different memory latency
or bandwidth could alter the tradeoff between cycles and code size.

- erik


  parent reply	other threads:[~2007-10-08 14:50 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-06 13:25 [9fans] " Andrew Wingorodov
2007-10-06 16:07 ` Lorenzo Fernando Bivens de la Fuente
2007-10-06 16:08 ` johnny
2007-10-06 16:26 ` Charles Forsyth
2007-10-06 20:24   ` [9fans] " Andrew Wingorodov
2007-10-06 20:50     ` Charles Forsyth
2007-10-07 16:18       ` David Leimbach
2007-10-07 16:30         ` ron minnich
2007-10-07 18:05           ` erik quanstrom
2007-10-07 20:28           ` David Leimbach
2007-10-07 20:49             ` Francisco J Ballesteros
2007-10-08 13:20               ` LiteStar numnums
2007-10-08 13:27                 ` Charles Forsyth
2007-10-08 14:50                 ` erik quanstrom [this message]
2007-10-08 15:58                   ` Eric Van Hensbergen
2007-10-08 16:01                     ` Francisco J Ballesteros
2007-10-08 17:16                     ` erik quanstrom
2007-10-08 19:14                       ` Eric Van Hensbergen
2007-10-08 19:53                         ` Charles Forsyth
2007-10-08 20:18                           ` Eric Van Hensbergen
2007-10-10 18:26                             ` David Leimbach
2007-10-10 20:42                               ` ron minnich
2007-10-10 21:38                                 ` David Leimbach
2007-10-08 17:46                     ` Charles Forsyth
2007-10-08 18:39                       ` David Leimbach
2007-10-08 19:11                       ` Eric Van Hensbergen
2007-10-08 18:34                     ` David Leimbach
2007-10-07 16:31         ` LiteStar numnums
2007-10-07 18:36         ` Andrew Wingorodov
2007-10-07 18:54           ` LiteStar numnums
2007-10-07 20:20           ` David Leimbach
2007-10-13  7:08 ` Andrew Wingorodov

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