Re: Dynamic Typing Efficiency

Jeff Kenton <jeffrey.kenton@comcast.net>
22 May 2005 00:56:07 -0400

          From comp.compilers
Related articles
[7 earlier articles]
Re: Dynamic Typing Efficiency jeffrey.kenton@comcast.net (Jeff Kenton) (2005-05-09)
Re: Dynamic Typing Efficiency clearm@comcast.net (2005-05-13)
Re: Dynamic Typing Efficiency alexc@TheWorld.com (Alex Colvin) (2005-05-13)
Re: Dynamic Typing Efficiency calumg@onetel.com (Calum Grant) (2005-05-13)
Re: Dynamic Typing Efficiency angray@beeb.net (Aaron Gray) (2005-05-16)
Re: Dynamic Typing Efficiency DrDiettrich@compuserve.de (Hans-Peter Diettrich) (2005-05-18)
Re: Dynamic Typing Efficiency jeffrey.kenton@comcast.net (Jeff Kenton) (2005-05-22)
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From: Jeff Kenton <jeffrey.kenton@comcast.net>
Newsgroups: comp.compilers
Date: 22 May 2005 00:56:07 -0400
Organization: Compilers Central
References: 05-05-041 05-05-066
Keywords: C++, types, performance
Posted-Date: 22 May 2005 00:56:07 EDT

Calum Grant wrote:
      ...


> I'm thinking that you could do something sneaky with C++ template
> meta-programming. You could construct a template
> ...


> and statically generate the appropriate function. Then you use
> meta-programming again to generate an array of these things, and put
> them into a large jump-table.


There's a difference between minimizing the number of lines of code
you have to write and optimizing runtime performance. This suggestion
sounds like it might make it easier to write the compiler (not a bad
thing, of course) but not have much effect on the performance of the
compiler or the generated code.


jeff

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