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Re: removing an ext2fs file forces disk activity


From: Thomas Bushnell, BSG
Subject: Re: removing an ext2fs file forces disk activity
Date: 04 May 2002 13:48:27 -0700
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2

nisse@lysator.liu.se (Niels Möller) writes:

> I'd like to know if implementing the new scheme would really help
> making the statement "The Hurd is significantly slower than Linux for
> things like big compiles" false. If it's an optimization that's worth
> the effort.

I'm quite sure it would help a lot.  You are confusing two different
things:

A: The number of times that doing active synchronization makes things
slower than doing on-demand synchronization;

B: The number of times that one particular race conditionhappen ,
which happens to complicate on-demand synchronization in at
interesting way.

Number (A) is quite large.  Number (B), which is the case you asked
about, is quite small.




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