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From: jfh@rpp386.cactus.org (John F. Haugh II)
Newsgroups: comp.unix.admin,comp.unix.internals
Subject: Re: RAM disk.
Message-ID: <18560@rpp386.cactus.org>
Date: 1 Oct 90 13:20:17 GMT
References: <900908.7074@franklin.com> <1990Sep12.084002.5575@hq.demos.su> <1223@tardis.Tymnet.COM> <1990Sep13.002300.15266@mlb.semi.harris.com> <6167@titcce.cc.titech.ac.jp> <143190@sun.Eng.Sun.COM>
Reply-To: jfh@rpp386.cactus.org (John F. Haugh II)
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In article <143190@sun.Eng.Sun.COM> lm@slovax.Sun.COM (Larry McVoy) writes:
>In article <6167@titcce.cc.titech.ac.jp> mohta@necom830.cc.titech.ac.jp (Masataka Ohta) writes:
>>If you use elaborated and complicated memory disk, it can be only as
>>slow as ordinary disk, but not faster.
>
>Bullsh*t.  Tmpfs is orders of magnitude faster than a disk.  

I suspect this was a typo - if tmpfs can only be as slow, and not
any faster, then it must be the same speed.

As for 5MB/sec transfer limitations - does the SS1 have a DMA
setup that can handle memory to memory transfers?  I would hope
that the memory subsystem can handle more than 5MB/sec ...
-- 
John F. Haugh II                             UUCP: ...!cs.utexas.edu!rpp386!jfh
Ma Bell: (512) 832-8832                           Domain: jfh@rpp386.cactus.org
"SCCS, the source motel!  Programs check in and never check out!"
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