Author: Robert Hyatt
Date: 09:13:32 04/06/03
Go up one level in this thread
On April 06, 2003 at 06:28:28, Matt Taylor wrote: >On April 05, 2003 at 23:35:45, Robert Hyatt wrote: > >>On April 05, 2003 at 23:23:39, George Wilson wrote: >> >>>Exactly how much of a speed increase do you get,if at all? Is it worth it to >>>upgrade from SDRam to DDR for computer chess? >> >>As always, it depends on the program and processor. SDRAM seems to have a >>better >>latency, but DDR is not bad and can produce significantly better bandwidth. > >SDRAM and DDR SDRAM have roughly identical latency (+/- 1/2 bus clock). DDR >SDRAM has twice the bandwidth, at least on paper. > >-Matt I know, "in theory". However, in practice, SDRAM always seems to be faster when I run lmbench. Usually about 10 ns, approximately...
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