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Received: by minnie.vk1xwt.ampr.org with NNTP id AA1384 ; Tue, 23 Feb 93 14:38:43 EST Path: sserve!manuel.anu.edu.au!munnari.oz.au!sgiblab!zaphod.mps.ohio-state.edu!uwm.edu!ogicse!psgrain!ee.und.ac.za!ford.ee.up.ac.za!hippo!kudu!g89r4222 From: g89r4222@kudu.ru.ac.za (Geoff Rehmet) Newsgroups: comp.unix.bsd Subject: Re: [386BSD patch] inline byte-swapping Message-ID: <g89r4222.729758403@kudu> Date: 15 Feb 93 06:40:03 GMT Article-I.D.: kudu.g89r4222.729758403 References: <1lmk3hINNbvc@life.ai.mit.edu> Sender: news@hippo.ru.ac.za (Usenet News Admin) Organization: Rhodes University, Grahamstown, South Africa Lines: 18 In <1lmk3hINNbvc@life.ai.mit.edu> mycroft@hal.gnu.ai.mit.edu (Charles Hannum) writes: >Here is a patch to inline the byte-swapping macros on the 386. >__byte_swap_long() can be made faster on the 486. INHO this is all very nice, and all very well, but 386bsd was supposed to be for 386's & upwards - things like this are starting to kill portability - unless you can tell at compile time what CPU you have. How much efficiency will this really gain you (how about having a look at Amdahl's law). Geoff. -- ==========================g89r4222@alpha.ru.ac.za============================ Geoff Rehmet, Comp Sci Dept, |#define DISCLAIMER These are my ramblings \ Rhodes University, Grahamstown, | not the Univerisity's RSA,