Re: [PATCH] perf-test/tag: add maildir sync tests

2024-04-05 Thread David Bremner
David Bremner  writes:

> Today someone asked me the (reasonable) question of how much
> performance impact there is from synching tags to maildir flags. It
> turns out it is noticeable, about a 50% overhead compared to
> non-synched tags (according to these tests).  In practice I don't know
> if it's a big problem for users, since I don't know what fraction of
> tagging operations involve "special" tags.

Applied to master.

d
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[PATCH] perf-test/tag: add maildir sync tests

2023-09-30 Thread David Bremner
Today someone asked me the (reasonable) question of how much
performance impact there is from synching tags to maildir flags. It
turns out it is noticeable, about a 50% overhead compared to
non-synched tags (according to these tests).  In practice I don't know
if it's a big problem for users, since I don't know what fraction of
tagging operations involve "special" tags.
---
 performance-test/T02-tag.sh | 9 +
 1 file changed, 9 insertions(+)

diff --git a/performance-test/T02-tag.sh b/performance-test/T02-tag.sh
index 9c895d6a..47fdb0c2 100755
--- a/performance-test/T02-tag.sh
+++ b/performance-test/T02-tag.sh
@@ -11,4 +11,13 @@ time_run 'tag * +existing_tag' "notmuch tag +new_tag '*'"
 time_run 'tag * -existing_tag' "notmuch tag -new_tag '*'"
 time_run 'tag * -missing_tag' "notmuch tag -new_tag '*'"
 
+time_run 'tag * +maildir_flag F' "notmuch tag +flagged '*'"
+time_run 'tag * -maildir_flag F' "notmuch tag -flagged '*'"
+time_run 'tag * +maildir_flag P' "notmuch tag +passed '*'"
+time_run 'tag * -maildir_flag P' "notmuch tag -passed '*'"
+time_run 'tag * +maildir_flag D' "notmuch tag +draft '*'"
+time_run 'tag * -maildir_flag D' "notmuch tag -draft '*'"
+time_run 'tag * +maildir_flag S' "notmuch tag -unread '*'"
+time_run 'tag * -maildir_flag S' "notmuch tag +unread '*'"
+
 time_done
-- 
2.40.1

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