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

From: Stefan Monnier
Subject: Re: Making 'eq' == 'eql' in bignum branch
Date: Fri, 10 Aug 2018 11:15:30 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

> That sounds promising! However, I wonder whether NaN-boxing isn't the
> right thing to do once we have bignums (on platforms that support it,
> by limiting pointers to 48 bits like x86-64 does). I'm doing that in

NaN boxing implies 64bit boxes, which on 32bit platforms imposes
a non-negligible overhead.  So, I think it'd end up costing
significantly more than the tentative patch with which Paul and I have
been playing.


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