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| From: | Stefan Monnier |
| Subject: | Re: eval proposals |
| Date: | Fri, 06 Jun 2014 13:14:06 -0400 |
| User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux) |
> Choose a power-of-two SPECPDL_SHRINK_FACTOR so that you can do the
> overflow test quickly by division (unsigned right shift) instead.
IIUC this is done once per GC, so speed of this division should be
a complete non-issue.
Stefan
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