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From: "David McClain" <dmcclain1@mindspring.com>
To: <caml-list@inria.fr>
Subject: Re: [Caml-list] FP's and HyperThreading Processors
Date: Fri, 13 Jun 2003 14:39:06 -0700	[thread overview]
Message-ID: <00c701c331f4$3a060480$0201a8c0@dylan> (raw)
In-Reply-To: <20030613213354.GG14726@farrand.net>

> Isn't the point of hyperthreading that the CPU doesn't stall on cache
> misses, but instead is able to run another process?  Or am I

True enough, if your computer has anything else to do... But if not, then
only one processor becomes involved in the running of the program thread.
But secondly, what happens when I so overwhelm the cache with my huge data
arrays that it flushes much of what might be needed by another thread?

- DM


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  reply	other threads:[~2003-06-13 21:38 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-06-13  6:44 David McClain
2003-06-13  8:06 ` John Max Skaller
2003-06-13 10:03   ` [Caml-list] Type safe affectation ? Christophe Raffalli
2003-06-14 13:35     ` Xavier Leroy
2003-06-15 18:53       ` brogoff
2003-06-15 19:49         ` Brian Hurt
2003-06-16  1:38           ` Jacques Garrigue
2003-06-13 18:38 ` [Caml-list] FP's and HyperThreading Processors Kip Macy
2003-06-13 21:23   ` David McClain
2003-06-13 21:39     ` Kip Macy
2003-06-13 21:56       ` David McClain
2003-06-14 22:08         ` John Max Skaller
2003-06-14  6:11     ` Ville-Pertti Keinonen
2003-06-13 19:07 ` Xavier Leroy
2003-06-13 21:33   ` Jim Farrand
2003-06-13 21:39     ` David McClain [this message]
2003-07-02 10:26   ` David Monniaux

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