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[rew <684859@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Although nona is said to use all available CPUs, my CPU graph shows
otherwise.

The issue is that when i'm working on a big project (where i'd expect
the multi-cpu to be extra useful), the images are downscaled
significantly. Thus the phase that nona executes multi-cpu is short. The
single-threaded pre and post processing take up about half the time.

As I have plenty of memory I'd gladly tell make to start two or three
concurrent nona processes to keep my CPU busy.

Suggestion: preference setting: how many nona processes should run
concurrently ?

** Affects: hugin
     Importance: Wishlist
         Status: Triaged


** Tags: multi-cpu nona

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https://bugs.launchpad.net/bugs/684859

Title:
  Nona phase should use all CPUs on big stitch

Status in Hugin - Panorama Tools GUI:
  Triaged

Bug description:
  Although nona is said to use all available CPUs, my CPU graph shows otherwise. 

The issue is that when i'm working on a big project (where i'd expect the multi-cpu to be extra useful), the images are downscaled significantly. Thus the phase that nona executes multi-cpu is short. The single-threaded pre and post processing take up about half the time. 

As I have plenty of memory I'd gladly tell make to start two or three concurrent nona processes to keep my CPU busy. 

Suggestion: preference setting: how many nona processes should run concurrently ?