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Subject: Re: What's with DDR ram ?

Author: Robert Hyatt

Date: 08:24:25 10/29/02

Go up one level in this thread


On October 29, 2002 at 09:38:06, pavel wrote:

>On October 29, 2002 at 09:30:47, Gian-Carlo Pascutto wrote:
>
>>On October 29, 2002 at 09:18:10, James T. Walker wrote:
>>
>>>It's supposed to mean "double data rate" since the data is supposed to be
>>>transferred on both the leading and trailing edges of the clock cycle.  However
>>>it seems to have a negligible effect on chess program performance.  Can someone
>>>explain what the problem is
>>
>>The problem is that the transfer speed is not very important for
>>chessprograms. More important is access speed (latency).
>>
>>--
>>GCP
>
>Like database?

Like any program that spins thru large arrays.  EG graphics applications do
well, large
numeric simulations do well.  Etc.




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