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Re: Inefficiency in Bgotoifnil byte-code instruction


From: Stefan Monnier
Subject: Re: Inefficiency in Bgotoifnil byte-code instruction
Date: Thu, 28 Jun 2012 00:41:25 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1.50 (gnu/linux)

> I've been doing some byte-code profiling, and have discovered that the
> opcodes Bgotoifnil and Bgotoifnonnil are high up, in the top ten:

BTW, I do not regard the performance of dynamically-scoped code as worth
optimizing nowadays.  So, when you do such profiling, make sure you do
it for code that was compiled with lexical-binding (it shouldn't make
much difference w.r.t Bgotoifnil, tho).


        Stefan




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