From 608f2f1e0b4a64553cfd334a4db35b0cd6512e05 Mon Sep 17 00:00:00 2001
From: "http://smcv.pseudorandom.co.uk/" <smcv@web>
Date: Sun, 23 Feb 2014 13:58:54 -0400
Subject: [PATCH] performance problem

---
 ...iting_gitbranch_template_is_really_slow.mdwn | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 doc/bugs/editing_gitbranch_template_is_really_slow.mdwn

diff --git a/doc/bugs/editing_gitbranch_template_is_really_slow.mdwn b/doc/bugs/editing_gitbranch_template_is_really_slow.mdwn
new file mode 100644
index 000000000..028a5b2fa
--- /dev/null
+++ b/doc/bugs/editing_gitbranch_template_is_really_slow.mdwn
@@ -0,0 +1,17 @@
+On this wiki, editing `templates/gitbranch.mdwn` causes a really slow
+refresh, orders of magnitude slower than a full rebuild: a large number of
+pages depend on that template, or link to a page that embeds that template,
+and so on.
+
+I suspect that, as with my optimization pass for `album`'s benefit, the
+costly thing is evaluating lots of pagespecs. I'm profiling it to see
+whether the problem is there are any low-hanging fruit.
+
+Easy to reproduce offline:
+
+* comment out the `exclude` option in `docwiki.setup`
+* `/usr/bin/perl -Iblib/lib ikiwiki.in -setup docwiki.setup -rebuild`
+* `touch templates/gitbranch.mdwn`
+* `/usr/bin/perl -Iblib/lib ikiwiki.in -setup docwiki.setup -refresh`
+
+--[[smcv]]
-- 
2.39.5