Date: Sat, 14 Sep 1996 18:48:54 -0400 (EDT) From: Chuck Robey <chuckr@Glue.umd.edu> To: FreeBSD-smp@FreeBSD.org Subject: Caching Message-ID: <Pine.OSF.3.95.960914184354.5468B-100000@protocol.eng.umd.edu>
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Can someone explain the added intricacies of caching in a multiprocessor environment a moment? I know this can be a really complicated subject if all the details are extruciatingly covered (write-thru, write-back, etc), but my question is really pointed at making me understand why it costs so much for a Pentium p6-200 if you include 512K of cache (it ups the price over 600 bucks per chip). Does the old P5 incur the same penalty? Does not getting the p6 with cache make me incur a large penalty? Would a p5 with cache be equivalently quicker, mhz for mhz, than a p6 without it? Thats the kind of stuff I'm flailing around with, in trying to determine what kind of smp platform to buy. Help! ----------------------------+----------------------------------------------- Chuck Robey | Interests include any kind of voice or data chuckr@eng.umd.edu | communications topic, C programming, and Unix. 9120 Edmonston Ct #302 | Greenbelt, MD 20770 | I run Journey2 and n3lxx, both FreeBSD (301) 220-2114 | version 2.2 current -- and great FUN! ----------------------------+-----------------------------------------------
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