Date: Thu, 16 May 1996 10:09:14 -0700 (MST) From: Terry Lambert <terry@lambert.org> To: babkin@hq.icb.chel.su (Serge A. Babkin) Cc: hackers@freebsd.org Subject: Re: EDO & Memory latency Message-ID: <199605161709.KAA17364@phaeton.artisoft.com> In-Reply-To: <199605160309.JAA29241@hq.icb.chel.su> from "Serge A. Babkin" at May 16, 96 09:09:12 am
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> I have just tried lmbench and the numbers it gives are looking > slightly strange for me. It shows memory latency upto 500ns while > I have 60-ns EDO memory in a Pentium/75 box. Okay, its external > clock is 25MHz, this gives 40ns, one wait state, it gives another 40ns, > it gives 80ns, but why the overhead is over 400ns ? 25 * 3 = 75 Multiply access latency by 3. Then multiply the whole deal by 100/60 because you probably didn't set HZ to 100. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.
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