Rev 4610: NEWS about potential speed improvement. in http://bazaar.launchpad.net/~jameinel/bzr/1.18-faster-iter-ancestry

[John Arbash Meinel]

At http://bazaar.launchpad.net/~jameinel/bzr/1.18-faster-iter-ancestry

------------------------------------------------------------
revno: 4610
revision-id: john at arbash-meinel.com-20090814173603-m2bfkj5haqgvzl7r
parent: john at arbash-meinel.com-20090814173054-xhcmnasb8523zi4y
committer: John Arbash Meinel <john at arbash-meinel.com>
branch nick: 1.18-faster-iter-ancestry
timestamp: Fri 2009-08-14 12:36:03 -0500
message:
  NEWS about potential speed improvement.
-------------- next part --------------
=== modified file 'NEWS'
--- a/NEWS	2009-08-14 16:45:57 +0000
+++ b/NEWS	2009-08-14 17:36:03 +0000
@@ -81,6 +81,13 @@
 * RemoteBranch.open now honours ignore_fallbacks correctly on bzr-v2
   protocols. (Robert Collins)
 
+* The index code now has some specialized routines to extract the full
+  ancestry of a key in a more efficient manner.
+  ``CombinedGraphIndex.find_ancestry()``. This is not fully exposed to the
+  higher levels yet, but has the potential to improve grabbing the full
+  ancestry tremendously. (Time to get ancestry for bzr.dev drops from 1.5s
+  down to 300ms. For OOo from 33s => 10.5s) (John Arbash Meinel)
+
 Testing
 *******