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Re: Emacs (Windows version) slow when transferring large amount of text
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From: |
Alexis |
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Subject: |
Re: Emacs (Windows version) slow when transferring large amount of text over pty or pipe |
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Date: |
Sun, 12 Oct 2014 12:11:30 +1100 |
speech.free@gmail.com writes:
> I am debugging a clang based completer. The completer running as a
> sub-process sends a large amount of text (about 1.8M) to emacs over a
> pty or pipe connection. The emacs connection buffer is about 4k, as
> seen from logging, that is the process filter is called for every 4k
> of text. The text is inserted into the process buffer and accumulated
> there and an EOT string is repeatedly searched for. Receiving the
> whole transfer takes close to 30 seconds, rendering the completer
> useless. The same problem is not seen on Linux. Any suggestion on why
> this is and how to deal with it? I have GNU Emacs 24.3.1
> (i386-mingw-nt6.2.9200)
Perhaps related:
https://lists.gnu.org/archive/html/emacs-devel/2014-10/msg00055.html
Alexis.