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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