Feature: Improve Layout performance

[sconklin]

From @sconklin on April 29, 2017 13:1

Originally reported by: bespoketailor (Bitbucket: bespoketailoring, GitHub: Unknown)

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How does the Valentina team plan on improving performance when using layout mode/draw mode when working with an extremely large and complicated file?

Draw mode on a quick machine is pretty doable still, however, curving of lines is very slow.

Layout mode, going further than 21-40 pieces to "layout", starts taking ages.

What are the ideas to improve performance in these situations? Is use of multiple cores when using the layout algorithm an idea?

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• Bitbucket: https://bitbucket.org/dismine/valentina/issue/676

Copied from original issue: valentina-project/vpo2#676