On Tue, Aug 19, 2008 at 08:15:31PM -0400, Seung Jun wrote:

> 1. It's a text file about 30,000 lines with each line 80-200
> characters wide.  Since it's an application log file of proprietary
> software, I can't really ship it.  However, I don't think the behavior
> shouldn't be content-specific, so hopefully you can pick a file that
> reproduces the problem.

How slow? When I cat'ed a 75000 line on my system, using a transparent
mrxvt with Xft + anti-aliasing (which is always the slowest at drawing
text), it finished in 5 seconds. Doing the same in an inactive tab or
obscured window finished in less than a second.

Doing the same on xterm took over 2 minutes. (Same when the xterm window
was hidden. And it flickered a *lot*).

> 2. Yes, I ran it on different terms.  It works best with
> gnome-terminal, very smooth and fast scrolling.  Xterm works well too,
> slightly slower but still smooth.

Did you have Xft enabled in both mrxvt and xterm?

Anyway, if you want this to perform better / worse look at the
documentation about --skipPages / --refreshLimit.

GI

PS: I find it surprising that 0.5.4 performs *worse* than it's
    predecessors. The --skipPages / --refreshLimit options were
    introduced in 0.5.3 (I think), after which mrxvt outperforms it's
    predecessors and xterm by a *large* margin.

    There was such an issue raised before, which was because the debug
    option was enabled. Did you disable debug in your 0.5.4
    installation?

-- 
The 10 Commandments of DOS:
6. Thou shall edit and shuffle the sacred lines of CONFIG.SYS and
AUTOEXEC.BAT until DOS functions adequately for the likes of you. Giving
up in disgust is not allowed.

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