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From: phil@amdcad.UUCP
Newsgroups: comp.sys.m68k
Subject: Re: Comparing 68xxx's; really TLB misses
Message-ID: <14582@amdcad.UUCP>
Date: Tue, 3-Feb-87 15:34:22 EST
Article-I.D.: amdcad.14582
Posted: Tue Feb  3 15:34:22 1987
Date-Received: Wed, 4-Feb-87 07:05:40 EST
References: <809@imagen.UUCP> <561@elmgate.UUCP> <1090@msudoc.UUCP> <1701@hoptoad.uucp> <14561@amdcad.UUCP> <108@winchester.mips.UUCP>
Reply-To: phil@amdcad.UUCP (Phil Ngai)
Organization: Advanced Micro Devices, Sunnyvale, California
Lines: 17

In article <108@winchester.mips.UUCP> mash@winchester.UUCP (John Mashey) writes:
>
>1) A MIPS micro-TLB refill is actually 1 cycle: it's a refill of the tiny
>on-chip TLB from the 64-entry larger on-chip one.

When I saw the following text:
"TLB REFILL IN SOFTWARE.
Normal UTLBMISS refills are reasonably fast (10-14 125 nS cycles, or
1.2-1.7 microseconds in an 8MHz, 5 mips system).",
I assumed UTLBMISS was micro TLB but now that I go back I see that's
for a miss in kuseg. Sorry.
-- 
 They also surf who only stand on waves.

 Phil Ngai +1 408 982 7840
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