[debbugs-tracker] bug#6365: closed (bidi data structure inefficiencies)

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Your message dated Thu, 06 Oct 2011 17:22:40 -0400
with message-id <address@hidden>
and subject line Re: bug#6365: bidi data structure inefficiencies
has caused the debbugs.gnu.org bug report #6365,
regarding bidi data structure inefficiencies
to be marked as done.

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6365: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=6365
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> --- Begin Message ---
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> Subject: 
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> bidi data structure inefficiencies
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> Date: 
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> Sun, 06 Jun 2010 23:21:32 -0400
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> User-agent: 
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> Gnus/5.11 (Gnus v5.11) Emacs/22.1 (gnu/linux)
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> Some bidi data structures are bigger that they need to be, this
> probably results in additional cache misses.
> Examples:
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> struct bidi_saved_info could  use bitfields for the bidi_type_t members
> Same for bidi_stack
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> bidi_it could use bitfields for a lot of it's members.
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> --- Begin Message ---
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> Subject: 
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> Re: bug#6365: bidi data structure inefficiencies
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> Date: 
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> Thu, 06 Oct 2011 17:22:40 -0400
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> User-agent: 
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> Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/)
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> Eli Zaretskii wrote:
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> >>   https://lists.gnu.org/archive/html/emacs-devel/2010-06/msg00164.html
> >> 
> >> AFAIU, the conclusion was that there are no evident optimizations, and
> >> that only profiling the current code against an alternative can tell
> >> which one is better.
> >> 
> >> FWIW, I don't plan working o this any time soon.
> >
> > Oh, and I did convert 2 members of `struct bidi_it' from `int's to
> > 1-bit fields.
>
> OK; doesn't seem worth keeping this open as a bug then.
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