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To: Tenchusatsu who wrote (25895)7/28/1999 8:30:00 PM
From: Scumbria  Respond to of 93625
 
Ten,

And like I said before, Scumbria, if you have a solution to the latency problem, we'd all like to hear it. None of the alternatives to DRDRAM reduces latency by any significant amount.

I'll bet even Intel's management is aware of the latency issue, that there isn't as much "confusion" over the problem as you mention. There are several other reasons why Intel is going gung-ho with DRDRAM, such as low pin count, more efficient use of bandwidth (thereby reducing average latency in a loaded system), viability for Timna platform, performance for the high-end, etc.


The confusion I was referring to was with respect to bandwidth. I saw numerous comments from Intel stating that CPU performance had become bandwidth limited, which is not correct for most desktop applications.

By the way, why is your company going with DRDRAM for your graphics design? In other words, what are the main advantages with going to DRDRAM over the alternatives, in specific terms?


The advantage of DRDRAM for a high end graphics design is that it allows for multiple ports to memory. The narrow datapath makes it practical to have separate buses to texture memory, color buffers, depth buffers, etc.

Scumbria



To: Tenchusatsu who wrote (25895)7/28/1999 8:44:00 PM
From: Scumbria  Read Replies (1) | Respond to of 93625
 
Ten,

if you have a solution to the latency problem, we'd all like to hear it.

I have posted several times about EDRAM, which services page hits from an SRAM cache, and does produce a significant improvement in latency.

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Scumbria