POV-Ray : Newsgroups : povray.general : How much does memory bandwidth affect Pov? : Re: How much does memory bandwidth affect Pov? Server Time
30 Jul 2024 00:27:27 EDT (-0400)
  Re: How much does memory bandwidth affect Pov?  
From: "Jérôme M. Berger"
Date: 23 Mar 2010 17:29:15
Message: <4ba932ab@news.povray.org>
clipka wrote:
> Also note that neither memory clock speed nor DDR nor number of channel
s
> give you /any/ benefit at all if latency is your issue. All they do is
> increase your bandwidth (which, as pointed out before, doesn't seem to
> be such an issue with POV-Ray); latency hasn't improved much in recent
> years. Typically, the average high-speed super-RAM needs just so many
> more clock cycles to complete a read operation that the latency remains

> as bad as (or occasionally even worse than) what you'd get with slower
> chips.
> 
> So all that can be done about it is more L1 and L2 cache or praying for

> a RAM technology breakthrough.

	Well, Rambus had a much lower latency than DDR...

		Jerome
-- 
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