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Re: Making 'eq' == 'eql' in bignum branch

From: Eli Zaretskii
Subject: Re: Making 'eq' == 'eql' in bignum branch
Date: Fri, 03 Aug 2018 10:55:32 +0300

> Cc: address@hidden, address@hidden
> From: Paul Eggert <address@hidden>
> Date: Fri, 3 Aug 2018 00:40:16 -0700
> Eli Zaretskii wrote:
> > Well, the FP calculations in Lisp are certainly in places that get
> > used a lot: the line-move stuff and window.el stuff.
> OK, I constructed a little benchmark based on some of the window.el stuff, 
> and 
> timed it with immediate floats instead of the longstanding way of 
> implementing 
> floats as pointers into the heap, and on this benchmark Emacs was 82% faster 
> with immediate floats, i.e., the CPU time on my usual 64-bit platform for 
> (bench 
> 1000000) shrank from 10.776 now to 5.914 seconds with immediate floats. So it 
> looks promising. This was the only benchmark I tried.

That does sound promising, thanks.

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