Messages in this thread | | | Date | Tue, 27 Apr 2004 18:02:05 +0200 | From | Jörn Engel <> | Subject | Re: File system compression, not at the block layer |
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On Tue, 27 April 2004 11:42:11 -0400, Timothy Miller wrote: > Paul Jackson wrote: > > >To heck with disk compression - it's time for main memory compression. > > I think nVidia and ATI chips do that with the Z buffer. Definately > improves bandwidth utilization. ^^^^^^^^^
Well stated. For general purpose cpus with unpredictable access patterns, compression makes latency even worse, so you need even bigger caches.
On the other hand, memory compression makes memory bigger, and memory of course is a disk cache, so it does improve latency somewhere.
Jörn
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