From: Joel de Guzman (joel_at_[hidden])
Date: 2006-10-06 02:11:28
Eric Niebler wrote:
> Chris Weed wrote:
> > On 10/5/06, Eric Niebler <eric_at_[hidden]> wrote:
> >> The idea of segmented fusion sequences and algorithms has been discussed
> >> here several times, and Joel has made some reference to some earlier
> >> work I did in this area. I had done some tests at the time that
> >> suggested that a segmented sequences and algorithms could significantly
> >> outperform nonsegmented variants Fusion currently uses. Per Joel's
> >> suggestion, I went ahead and checked my code into CVS HEAD. All
> >> segmented-specific code is quarantined in separate ext_ directories.
>> This sounds cool. These seems similar to having iteration on rows of an image.
>> Is it possible to iterate from segment to segment at the same position
>> of each segment.
> Not in general. Not all the segments of a sequence necessarily have the
> same number of elements. Some, in fact, may be empty.
However, since we can also detect at compile time the sizes of
sequences, we can enforce that requirement. I think the zip_view
does that already.
-- Joel de Guzman http://www.boost-consulting.com http://spirit.sf.net
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