Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!cs.utexas.edu!tut.cis.ohio-state.edu!pt.cs.cmu.edu!MATHOM.GANDALF.CS.CMU.EDU!lindsay From: lindsay@MATHOM.GANDALF.CS.CMU.EDU (Donald Lindsay) Newsgroups: comp.arch Subject: Cache Size Message-ID: <8168@pt.cs.cmu.edu> Date: 26 Feb 90 00:24:48 GMT References: <7393@pdn.paradyne.com> <76700146@p.cs.uiuc.edu> <1990Feb22.175317.12898@utzoo.uucp> Organization: Carnegie-Mellon University, CS/RI Lines: 16 In article wayne@dsndata.uucp (Wayne Schlitt) writes: >i am sure there _are_ real programs that can fit entirely in the 68030's >massive (:-) 256 byte data and instruction caches. i am sure there >are a lot more real programs that can fit entirely in a 8k cache. i >am sure that a lot of real programs will fit nicely in 32k-128k >caches. Programs certainly do vary. The transaction people at Concurrent say that their idea of a cache is a megabyte. There may also be programs with essentially no locality: this has been claimed for some network communications software. (The point was that the packets would be processed exactly once, and then passed along, never to be seen again.) -- Don D.C.Lindsay Carnegie Mellon Computer Science