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Re: Emacs Lisp JIT Compiler

From: Eli Zaretskii
Subject: Re: Emacs Lisp JIT Compiler
Date: Wed, 15 Aug 2018 19:41:51 +0300

> From: Paul Eggert <address@hidden>
> Date: Tue, 14 Aug 2018 15:38:44 -0700
> Cc: Tom Tromey <address@hidden>, address@hidden
> On 08/14/2018 02:03 PM, Daniel Colascione wrote:
> > Randomly
> > varying the performance of loaded elisp code to such a degree depending on
> > the presence of various system tools is unacceptable
> Are you're saying you'd rather have predictably bad performance, than 
> have an application that sometimes has the bad performance in some 
> situations, and 3x better performance in other situations?

I agree with Daniel here: having vastly different performance due to
factors more or less out of end-user's control is bad for UX.

That doesn't mean we want to have predictably bad performance, but it
does mean that we should choose our JIT library so that it doesn't
suffer from such issues.

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