Author: Dann Corbit
Date: 23:02:58 06/20/02
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On June 21, 2002 at 01:39:11, Eugene Nalimov wrote: [snip] >And each hash table probe (main memory access) costs several hundred CPU cycles >on both 32-bit and 64-bit system. This is an interesting statement. What if the CPU has 4 megs of on-die cache and the hash table is 2 megs? Will it make a difference if the ram is 500 MHz DDR? Rambus? Does the CPU always wait that long period? Been a long time since I delved into timings, though I do know a memory fetch and a missed branch prediction are heavy blows.
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