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From: mitchalsup@aol.com (MitchAlsup1)
Newsgroups: comp.arch
Subject: Re: Making Lemonade (Floating-point format changes)
Date: Tue, 14 May 2024 17:48:49 +0000
Organization: Rocksolid Light
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Scott Lurndal wrote:

> mitchalsup@aol.com (MitchAlsup1) writes:
>>Anton Ertl wrote:
>>
>>> mitchalsup@aol.com (MitchAlsup1) writes:
>>>>I recall that MIPS could emulate a TLB table walk in something like
>>>>19 cycles. That is:: a few cycles to get there, a hash table access,
>>>>a check, a TLB install, and a few cycles to get back.
>>
>>> Which MIPS?  R2000? R10000? Something else? Was this an inverted page
>>> table?
>>
>>R3000 and it was a hast table ~1MB in size.

> Would would have been a significant fraction (25%?)of the
> total memory available on a R3k based system in 1990.

I heard numbers in the 10% range, so we are within a factor of 2 in
our memory. The smaller main memory was, the less can be co-resident
and the smaller the effective table size.

{{But my MIPS info is mostly 3rd hand}}