From: Austin Clements <amdragon@mit.edu>
To: notmuch@notmuchmail.org
Subject: Re: [PATCH 0/5] Fetch all message metadata in a single pass
Date: Sun, 13 Feb 2011 15:25:48 -0500 [thread overview]
Message-ID: <AANLkTiknTgHruLKKYsVo-r9319VHxmuXcw5oxOLPzHQ_@mail.gmail.com> (raw)
In-Reply-To: <1291928396-27937-1-git-send-email-amdragon@mit.edu>
I've rebased this against current master and fixed a few merge
conflicts. The rebased patches are on the eager-metadata-v3 branch of
http://awakening.csail.mit.edu/git/notmuch.git
On Thu, Dec 9, 2010 at 3:59 PM, Austin Clements <amdragon@mit.edu> wrote:
> This is the second of the two optimizations I described a while ago,
> and brings my inbox search down to 1.811 seconds, 2.5X faster than it
> was originally.
>
> This optimization is based on the observation that Xapian decompresses
> a document's term list every time you iterate over it. As a result,
> notmuch can decompress the beginning of a single term list quite a few
> times. This patch series combines all of this into a single pass that
> is only slightly more expensive than fetching one metadata field used
> to be, but offers a huge win in the common case where a message object
> is used for multiple metadata fields.
>
> _______________________________________________
> notmuch mailing list
> notmuch@notmuchmail.org
> http://notmuchmail.org/mailman/listinfo/notmuch
>
next prev parent reply other threads:[~2011-02-13 20:25 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-09 20:59 [PATCH 0/5] Fetch all message metadata in a single pass Austin Clements
2010-12-09 20:59 ` [PATCH 1/5] Use a single unified pass to fetch scalar message metadata Austin Clements
2010-12-09 20:59 ` [PATCH 2/5] Implement an internal generic string list and use it Austin Clements
2010-12-23 2:44 ` Austin Clements
2010-12-09 20:59 ` [PATCH 3/5] Add a generic function to get a list of terms with some prefix Austin Clements
2010-12-09 20:59 ` [PATCH 4/5] Add the file name list to the unified message metadata pass Austin Clements
2010-12-09 20:59 ` [PATCH 5/5] Add the tag " Austin Clements
2011-02-13 20:25 ` Austin Clements [this message]
2011-03-11 3:48 ` [PATCH 0/5] Fetch all message metadata in a single pass Carl Worth
2011-03-21 6:56 ` Austin Clements
2011-04-25 20:52 ` Carl Worth
2011-04-25 21:42 ` Carl Worth
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