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From: | Stefan Monnier |
Subject: | Re: The Emacs master is much slower than the emacs-27 branch. |
Date: | Fri, 04 Dec 2020 11:49:25 -0500 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
> system-configuration-features > "XPM JPEG TIFF GIF PNG RSVG SOUND DBUS GSETTINGS GLIB NOTIFY INOTIFY ACL > GNUTLS LIBXML2 FREETYPE HARFBUZZ XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 > XDBE XIM MODULES THREADS LIBSYSTEMD PDUMPER LCMS2 GMP" [...] > system-configuration-features > "XPM JPEG TIFF GIF PNG RSVG CAIRO SOUND DBUS GSETTINGS GLIB NOTIFY > INOTIFY ACL GNUTLS LIBXML2 FREETYPE HARFBUZZ ZLIB TOOLKIT_SCROLL_BARS > GTK3 X11 XDBE XIM MODULES THREADS XWIDGETS LIBSYSTEMD PDUMPER LCMS2" Hmm... so in Emacs-28, "you" removed XFT and GMP and replaced them with CAIRO and XWIDGETS. I doubt GMP and XWIDGETS make any difference, but maybe XFT or CAIRO have something to do with the difference. It might be worth fiddling with `--with(out)-xft` and `--with(out)-cairo` to see if you can get closer to the origin of the difference. Stefan
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