Remove tool performance issues
I'm stunned how much of a delay there is when starting to paint over an area using the Remove tool. The behavior is often random. Sometimes it takes several seconds before it even accepts any mouse/pen input drawing over an area, sometimes it is alost instant. I tried to see if I can see a pattern. Definitely if I move to the next photo and start removing objects, it's slow. Sometimes it gets faster after the first delay, but sometimes the delays happen again on the same photo I've been working on for a while.
The remove tool always had performance issues in Lightroom since I can remember. I understand it needs to decode the raw data first to be able to determine the area I'm trying to remove, but also a greater area to find a good source to clone from. But here is the thing, when I start drawing over an area I want to remove/clean up, the software doesn't need to do anything but draw an overlay showing the brush stroke. It doesn't need to process anything. Let me just draw the area out. This cannot take up any significant CPU/GPU time. Only once I let go (finish drawing) the software can start processing. If it takes a while, so be it. The annoying and frustrating part is when it won't let me draw the area. It litterelly won't follow the mouse/pen movement for seconds. Obviously Lightroom can do this flawlessly when drawing mask with a brush. They have no delay and zero lag.
My system is a MacBook Pro M1 max with 64 gb RAM. It definitely is not the laptop being old or slow as Lightoom can accept drawing the remove brush very fast some of the times. Just 50% of the times it isn't because it wnts to do something in the background that is unneccessary when just drawing the area.
If anyone has a solution, I'd love to hear.
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