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kitty: Make kitty startup fast

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Starting a new kitty process is quite slow. With --single-instance "new
invocations will instead create a new top-level window in the existing
kitty instance"[^1] to allow "kitty to share a single sprite cache on
the GPU"[^1], so that startup is almost instant.

For this to work best, launch one hidden "daemon" instance at startup so
that the kitty process is always running, even when no OS windows
exists.

[^1]: kitty(1)

Link: https://github.com/kovidgoyal/kitty/issues/330
This commit is contained in:
Julian Prein
2025-05-22 15:04:36 +02:00
parent 9b0c97b003
commit d89fd6653c
1 changed files with 13 additions and 1 deletions
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14
.config/i3/config
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@@ -11,7 +11,8 @@ floating_modifier $mod
default_border pixel 1
hide_edge_borders smart
set $TERMINAL kitty
# Use --single-instance for faster startup. See the "daemon" exec below
set $TERMINAL kitty --single-instance
set $TERM_CLASS kitty
set $TERM_DIR_FLAG -d
set $TERM_TITLE_FLAG -T
@@ -29,6 +30,17 @@ set $TERM_CMD_FLAG
# Execs ########################################################################
# Starting a new kitty process is quite slow. With --single-instance (see
# $TERMINAL definition above) "new invocations will instead create a new
# top-level window in the existing kitty instance"[^1] to allow "kitty to share
# a single sprite cache on the GPU"[^1], so that startup is almost instant.
#
# For this to work best, launch one hidden "daemon" instance at startup so that
# the kitty process is always running, even when no OS windows exists.
#
# [^1]: kitty(1)
exec --no-startup-id $TERMINAL --start-as hidden --detach
# Multi monitor support
exec_always --no-startup-id ~/.config/i3/monitor-setup.sh &