Re: [hugin-ptx] Memory saving and performance issues in control point editor

2022-02-17 Thread Gunter Königsmann
Scrolling tends to be a place where wxWidgets might issue a excess number of redraw steps. In all other cases if the intervals at which onDraw is called are strange I would wonder where Hugin triggers that. The wxWidgets application I maintain (wxMaxima) draws the whole worksheet as a bitmap

Re: [hugin-ptx] Memory saving and performance issues in control point editor

2022-02-17 Thread johnfi...@gmail.com
On Thursday, February 17, 2022 at 1:23:54 PM UTC-5 gunter.ko...@gmail.com wrote: > I don't know if that is the case here. But if the GUI feels sluggish one > typical reason is that you try to update the display for every single mouse > event you get sent (which means that if you draw

Re: [hugin-ptx] Memory saving and performance issues in control point editor

2022-02-17 Thread Gunter Königsmann
The same "speedup" method is used by the real time Linux kernel: The default kernel acts on every interrupt as fast as possible and by doing that saves every CPU cycle it can. But on slow computers that feels sluggish. The real time kernel patch makes every interrupt set a flag that tells the

Re: [hugin-ptx] Memory saving and performance issues in control point editor

2022-02-17 Thread Gunter Königsmann
I don't know if that is the case here. But if the GUI feels sluggish one typical reason is that you try to update the display for every single mouse event you get sent (which means that if you draw slightly slower than your 19200dpi-7ms-latency-mouse sends data you start to fall behind with

[hugin-ptx] Memory saving and performance issues in control point editor

2022-02-17 Thread johnfi...@gmail.com
I recently rewrote my local change for saving memory in the CP editor, to make it more suitable for committing on the branch with my other changes. I ran into a bunch of performance side issues (yes, it saves memory, but the savings vs. cost in cpu time are a much trickier topic). I have only

Re: [hugin-ptx] Re: Need help to sticth

2022-02-17 Thread Mihai Dobrescu
Hi, still not getting it working. When I run the assistant, it goes and goes, at some point I spot -'nan units' values. Is this expected? Thank you! On Wednesday, February 9, 2022 at 10:02:36 AM UTC+2 Mihai Dobrescu wrote: > Hello, I've been through a system update, something may be broken. >