On Tue, 10 Feb 2004 15:06:41 -0800 Andy Ross <[EMAIL PROTECTED]> wrote:
Norman Vine wrote:Jon S. Berndt wrote: > It is thought that the use of a RAM disk might help.
On Windows I have found that increading disk cache size and / or using memory mapped files is more productive then a DAM disk
My interpretation was that their problem was latency, not I/O throughput. The program cooks along using 100% of the CPU, then it needs to load a giant data set off the disk, so it has to wait (making 0% use of the CPU) while the I/O system does its job. If they could ensure that the dataset was in memory they could avoid this delay.
Andy
Yes, it seems to be a latency issue.
Thanks for all the inputs - at least we have somewhere to start, if not viable solutions.
Jon
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