Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!purdue!gatech!psuvax1!rutgers!caip.rutgers.edu!peskin From: peskin@caip.rutgers.edu (R. L. Peskin) Newsgroups: comp.lang.smalltalk Subject: Re: Re: Smalltalk for Scientific Applications Message-ID:Date: 16 Aug 89 15:40:59 GMT Organization: Rutgers Univ., New Brunswick, N.J. Lines: 20 > The problem is that no matter how you slice it, RPC can be >s-l-o-o-w. And when you add the overhead of argument type checking >in user primitives, even doing your arithmetic there can be awfully >time-consuming, unless you limit it to higher-level procedures like >FFT and statistical techniques. Agreed. We have also found that effective use of the userPrims generally means restricting them to cases where computation time dominates over "communication" %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Richard L. Peskin CAIP Parallel Computing Lab CAIP Center CN - 1390 Rutgers University Piscataway, N. J. 08855-1390 net: peskin@caip.rutgers.edu %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -- goodby