Author: Eugene Nalimov
Date: 20:53:38 01/16/03
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I believe it's Huffman decode on a top of some other compression level, but I don't know the details. If you are really want to know ask Andrew Kadatch. Thanks, Eugene On January 16, 2003 at 20:50:48, Tom Likens wrote: >On January 16, 2003 at 16:46:10, Eugene Nalimov wrote: > >>David, *fast* SCSI drive is noticeable faster than best IDE drive. Problem is >>not only 15k or 10k rpm vs. 7.2k rpm. Problem is also seek time. On best IDE >>drive I had seen it's something ~8-9ms. On *average* SCSI drive it's ~4-5ms. >> >>More, I have Itanium 2 system with one SCSI drive with 320Mb/sec SCSI disk >>drive, and one with "only" 160Mb/sec. And I regularly see the difference. Drive >>with 320Mb/sec is really faster when I am doing something with tens of gigabytes >>of data :-) >> >>Thanks, >>Eugene > >Actually, this is almost exactly what I see when I profile my engine. >The routine do_decode takes about 10ms per call, which tells me that it is >*all* disk I/O. By the way Eugene what does do_decode actually do? >I'm guessing it performs the Huffman decode. > >regards, >--tom
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