>> Navigating certain messages (e.g., with many attachments or images) >> may become very slow in notmuch-show-mode. I see this rarely, but when >> it happens, it takes >1s to simply move the point so that the buffer >> is barely usable. The CPU profiler shows that >> notmuch-show-command-hook calls redisplay and that's that all where >> the time goes. Not sure if anything can be done about this. > > Hmm. Hard to debug without a sample message, or a more definite > pattern. Do you notice a threshold in terms of numbers of attachements? > I can imagine there is some bad behaviour involving large numbers of > buttons when running redisplay.
I've tracked it down: it happens when multiple large images are attached to the email (and displayed inline) and global-hl-line-mode is turned on. The former slows down redisplay, the latter makes redisplay do something with every cursor movement. _______________________________________________ notmuch mailing list -- firstname.lastname@example.org To unsubscribe send an email to notmuch-le...@notmuchmail.org