https://forums.adobe.com/people/Ian+Lyons wrote dj_paige wrote Speed of what? Develop module will not be helped by SSD. Library module will be helped by SSD.
Actually, if the OP is using proprietary raw files (CR2, NEF, etc) and the Camera Raw cache used by Develop module is located on an SSD (configured in Lr Performance tab), then Develop module performance (walking and loading images) is improved over what it would be if left on a traditional spinning disk. |
Okay, true, but editing performance will not benefit.
The OP says:
also i often get a bit of lag (sometimes very bad) when using brush tools and grad and radial filters, and also when i do general editing on slightly larger files like panoramics. None of that functionality has improved with the SSD over the HDD. |
Brushing and other local adjustments will cause lag, especially on a 4K or larger screen. An SSD will not help this because the slowdown is that the CPU (and GPU if enabled) has to do lots of calculations, and calculations don't depend on the disk speed.
There are some things you can do to boost performance
- Turn off the GPU acceleration (Preferences->Performance tab->Uncheck "Use Graphics Processor") but this may make some things slower with 4K or larger monitors
- Do the local adjustments as the next to last adjustment in your editing, and then as the last adjustment, turn on lens corrections and transforms
- do the local adjustments in Photoshop or Photoshop Elements
- get a faster CPU
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