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Re: Gets vertical skylines from grob stencils (issue 5626052)
From: |
address@hidden |
Subject: |
Re: Gets vertical skylines from grob stencils (issue 5626052) |
Date: |
Sun, 19 Feb 2012 22:20:37 +0200 |
On Feb 19, 2012, at 9:59 PM, David Kastrup wrote:
> "address@hidden" <address@hidden> writes:
>
>> I've now optimized the crap out of this sucker and cached as much as I
>> can cache.
>
> I'm not sure the caching is of much help. What kind of information
> would save recalculation?
>
Storing the vertical skylines of a glyph in a cache instead of recomputing them
every time from the beziers.
I get the sense that in a score that takes a minute to compile, this'll shave
off about a half second for common grobs (accidentals, for example).
> "Merging" sounds like O(n^2) unless one takes precautions.
>
You'd have to look at the skyline code. It looks really concise and elegant to
me, but I have no clue if it could be sped up.
Cheers,
MS
- Re: Gets vertical skylines from grob stencils (issue 5626052), (continued)
- Re: Gets vertical skylines from grob stencils (issue 5626052), Han-Wen Nienhuys, 2012/02/16
- Re: Gets vertical skylines from grob stencils (issue 5626052), address@hidden, 2012/02/17
- Re: Gets vertical skylines from grob stencils (issue 5626052), Han-Wen Nienhuys, 2012/02/17
- Re: Gets vertical skylines from grob stencils (issue 5626052), David Kastrup, 2012/02/17
- Re: Gets vertical skylines from grob stencils (issue 5626052), Han-Wen Nienhuys, 2012/02/17
- Re: Gets vertical skylines from grob stencils (issue 5626052), address@hidden, 2012/02/18
- Re: Gets vertical skylines from grob stencils (issue 5626052), David Kastrup, 2012/02/19
- Re: Gets vertical skylines from grob stencils (issue 5626052), David Kastrup, 2012/02/19
- Re: Gets vertical skylines from grob stencils (issue 5626052), address@hidden, 2012/02/19
- Re: Gets vertical skylines from grob stencils (issue 5626052), David Kastrup, 2012/02/19
- Re: Gets vertical skylines from grob stencils (issue 5626052),
address@hidden <=
- Re: Gets vertical skylines from grob stencils (issue 5626052), Joe Neeman, 2012/02/19
- Re: Gets vertical skylines from grob stencils (issue 5626052), address@hidden, 2012/02/19
- Re: Gets vertical skylines from grob stencils (issue 5626052), Joe Neeman, 2012/02/19
Re: Gets vertical skylines from grob stencils (issue 5626052), joeneeman, 2012/02/16
- Re: Gets vertical skylines from grob stencils (issue 5626052), address@hidden, 2012/02/16
- Re: Gets vertical skylines from grob stencils (issue 5626052), Joe Neeman, 2012/02/16
- Re: Gets vertical skylines from grob stencils (issue 5626052), address@hidden, 2012/02/17
- Re: Gets vertical skylines from grob stencils (issue 5626052), Joe Neeman, 2012/02/17
- Re: Gets vertical skylines from grob stencils (issue 5626052), Joe Neeman, 2012/02/17
- Re: Gets vertical skylines from grob stencils (issue 5626052), address@hidden, 2012/02/17