From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (from majordomo@localhost) by pauillac.inria.fr (8.7.6/8.7.3) id XAA02619; Fri, 13 Jun 2003 23:38:40 +0200 (MET DST) X-Authentication-Warning: pauillac.inria.fr: majordomo set sender to owner-caml-list@pauillac.inria.fr using -f Received: from nez-perce.inria.fr (nez-perce.inria.fr [192.93.2.78]) by pauillac.inria.fr (8.7.6/8.7.3) with ESMTP id XAA06104 for ; Fri, 13 Jun 2003 23:38:39 +0200 (MET DST) Received: from bluejay.mail.pas.earthlink.net (bluejay.mail.pas.earthlink.net [207.217.120.218]) by nez-perce.inria.fr (8.11.1/8.11.1) with ESMTP id h5DLccT26331 for ; Fri, 13 Jun 2003 23:38:39 +0200 (MET DST) Received: from tcsndslgw9poolf147.tcsn.uswest.net ([67.41.20.147] helo=dylan) by bluejay.mail.pas.earthlink.net with asmtp (Exim 3.33 #1) id 19QwFp-0007Ce-00 for caml-list@inria.fr; Fri, 13 Jun 2003 14:38:37 -0700 Message-ID: <00c701c331f4$3a060480$0201a8c0@dylan> From: "David McClain" To: References: <003601c33177$324ecc40$0201a8c0@dylan> <20030613210751.A2264@pauillac.inria.fr> <20030613213354.GG14726@farrand.net> Subject: Re: [Caml-list] FP's and HyperThreading Processors Date: Fri, 13 Jun 2003 14:39:06 -0700 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 X-ELNK-Trace: 7a0ab3eafc8cf994b22988ad1c62733440683398e744b8a4fd768e82fc761f97caecee871c12614da7ce0e8f8d31aa3f350badd9bab72f9c350badd9bab72f9c X-Spam: no; 0.00; mcclain:01 dmcclain:01 caml-list:01 misses:01 overwhelm:01 flushes:01 arrays:01 thread:02 data:03 processor:08 processors:09 david:09 happens:10 running:10 isn't:11 Sender: owner-caml-list@pauillac.inria.fr Precedence: bulk > 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 ------------------- To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/ Beginner's list: http://groups.yahoo.com/group/ocaml_beginners