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I suppose I've not tried it in any sort of extreme scenario, but it's not clear to me what dired would be slow at. Functions like copy-file are implemented in C.

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My response was from from emacs perspective. Here's a memory usage comparison: https://github.com/jhallen/joes-sandbox/tree/master/editor-p...

Looks like emacs uses at least double the memory.

I guess, but I think somebody using dired would be using Emacs anyway, and dired is unlikely to be the straw that breaks the camel's back.

Completely agree.

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