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Re: Inefficiency in Bgotoifnil byte-code instruction


From: Tom Tromey
Subject: Re: Inefficiency in Bgotoifnil byte-code instruction
Date: Mon, 02 Jul 2012 08:08:01 -0600
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1 (gnu/linux)

Tom> Maybe it is finally time to push in the token-threading patch.

John> What does that do?

It is a performance optimization that changes the emacs bytecode
interpreter to use token threading:

    http://en.wikipedia.org/wiki/Threaded_code#Token_threading

The old patch is here, I haven't updated it yet:

    http://debbugs.gnu.org/cgi/bugreport.cgi?bug=4470

Tom



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