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enh: rewrite echo area only when needed #50

Merged

kiennq merged 1 commit into kiennq:master from AmaiKinono:update-on-need

Jul 25, 2021

Contributor

AmaiKinono commented Dec 21, 2020

It's mentioned in #45 (comment):

What this (package) does is modify a non-current buffer at high frequency, so the main redisplay optimization of updating only the selected window will be disabled. And when that happens, Emacs examines all the windows on all the frames to see which ones need to be updated, something that takes more cycles.

In this patch, we compare the calculated content with the cache, and only rewrite echo area when they are different.

I don't know how to test this though. My Emacs is snappy without this patch. But maybe it's good to have anyway.


          enh: rewrite echo area only when needed

e903442

AmaiKinono force-pushed the update-on-need branch from 9c316e8 to e903442 Compare

December 22, 2020 12:41

kiennq merged commit fb2fc86 into kiennq:master

Owner

kiennq commented Jul 25, 2021

Thank you.

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