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"


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 Richard L. Peskin     CAIP Parallel Computing Lab                      
 CAIP Center CN - 1390  Rutgers University       
 Piscataway, N. J. 08855-1390             
         net: peskin@caip.rutgers.edu              
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