[BBLISA] RAM speed difference?

[Scott Ehrlich]

On Mon, 24 Dec 2007, Dean Anderson wrote:

> The difference is 16Gig (4 x 4Gb) vs 4Gig (2 x 2Gb), which could be
> pretty substantial--that is, if it matters at all: If your
> compute-intensive applictation runs in say 1Gb, but with a lot of loops
> (the compute part), then having 16 Gig is a waste. But if your compute
> part uses (or could use) a great deal of memory, (eg random access on a
> large (16gb+) memory mapped file, then the 16Gig will make a big
> difference. But we don't know if this is the case. And
> "compute-intensive" doesn't necessarilly mean "memory-hog".  There are
> plenty of numerical algorithms that run with a relatively small fixed
> amount of memory, but require fast CPU to memory access, because memory
> locations are being repeatedly updated or read.  We don't know if this
> is the case.
>
> The correct choice depends on things we don't know, yet.
>
> 		--Dean

You just found a big type on my end - thanks -

Corrected question as follows:

What is the speed difference between 1 x 4GB vs 2 x 2GB modules?

Thanks.

Scott