Re: Runtime of record/play feature

Manas <manas18244@iiitd.ac.in> wrote:
> Hi, I was recently working on a large CSV file in Vim. I needed to do
> some changes in the file and I utilized the recording feature for it.
> Recording feature is really awesome and worked well for my use case.
>
> However working on a file whenever applied on multiple lines, it is slow
> till the point where we can actually see the edit being done on every line.
>
> I would like to know why is it so slow? Has it something to do with the
> design pattern?
>
> Also, is there any consideration of making it faster (if possible)?

It's not exactly clear what the problem is based on your limited
description, but my guess is that you are operating on a file that is
huge relative to available RAM and the system is starting to swap to
accommodate the state save for the undo command.

If that's it, disabling undo before you run it might be a good idea.
Usually when I hit that limit, I switch to editing via Perl filter.
The undo.txt help file has a section on "undo-remarks" that provides
guidance on disabling undo effectively to avoid the memory hit.

Elijah

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