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Re: Multithreading question


From: Marcus G. Daniels
Subject: Re: Multithreading question
Date: Thu, 30 Jan 2003 01:18:03 -0700
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.2.1) Gecko/20021130



That sounds awfully like running out of DRAM and going into paging. How much DRAM have you got, and have you tried more? If you can't avoid paging, you need a fast disk subsystem with plenty of cache. Pentium 4 PCs are rather ordinary in this area because they only have 32bit 33MHz PCI.

Motherboards like Tyan Trinity GC-SL (for Pentium 4, not even a Xeon) have PCI-X slots run 64 bits wide @ 133 Mhz. With a SCSI RAID controller two U320 SCSI channels you could do 640 MB/sec and still have bandwidth to spare. Plain old bus-mastered PCI 2.2 can do 133 MB/sec.

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