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Re: Performance 21.3.50 W2K
From: |
Eli Zaretskii |
Subject: |
Re: Performance 21.3.50 W2K |
Date: |
Wed, 30 Oct 2002 19:21:36 +0300 |
> Date: Wed, 30 Oct 2002 09:32:13 UT
> From: "Dhruva Krishnamurthy" <address@hidden>
>
> I tried opening a 58Mb file (Yes, I know it was a stupid thing to do) in
> Emacs. It just froze for couple of minutes (2 to 3 mins) and opened the
> file. What surprises me is, the same file when I open in XEmacs (latest
> beta), it took less than 5 seconds. I see a very big performance
> difference in this regard.
Perhaps your XEmacs was built without Mule. In that case, "M-x
find-file-literally" instead of "C-x C-f" should be as fast as XEmacs.
The reason for this performance hit is that "C-x C-f" by default tries
to detect whether the file has encoded non-ASCII characters, and if
so, decodes them into internal representation used for non-ASCII
characters within Emacs buffers. XEmacs compiled without Mule doesn't
do that, so visiting a large file is faster.