Date: Tue, 4 Feb 1997 09:47:09 -1000 From: richard@pegasus.com (Richard Foulk) To: freebsd-hardware@freebsd.org Subject: Re: 64 MB ECC or 128 MB non ECC ? Message-ID: <199702041947.JAA06691@pegasus.com> In-Reply-To: asami@vader.cs.berkeley.edu (Satoshi Asami) "Re: 64 MB ECC or 128 MB non ECC ?" (Feb 4, 4:05am)
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} * From: roberto@keltia.freenix.fr (Ollivier Robert) } } * One thing to consider is that you'll suffer a 10-15% speed penalty with ECC } * RAM. (number from some -hardware mails in the past). } } To clarify: 10-15% penalty on maximum memory bandwidth. (E.g., 70MB/s } vs. 64MB/s on TritonII with 66MHz bus and P5-133.) } } This is NOT the same as application speed penalty, which obviously } varies depending on how memory-intensive it is. } That's kinda what I thought. So closer to 1%. Richard
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