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| From: | Markus Mützel |
| Subject: | [Octave-bug-tracker] [bug #55751] scatter3 performance regression bug in Octave 5.0.91 |
| Date: | Thu, 21 Feb 2019 14:18:14 -0500 (EST) |
| User-agent: | Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:66.0) Gecko/20100101 Firefox/66.0 |
Follow-up Comment #5, bug #55751 (project octave):
The attached patch fixes the performance regression of scatter3 for me by
completely skipping the co-planarity check if there won't be any faces or
edges to draw.
We are using svd's to check whether a set of points is in a plane. I am no
expert in this field. If someone knows of a check with faster performance, any
hint is welcome to improve this long term.
(file #46330)
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Additional Item Attachment:
File name: bug55751_scatter3_performance.patch Size:6 KB
<https://savannah.gnu.org/file/bug55751_scatter3_performance.patch?file_id=46330>
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