diff README @ 18093:9c76da468a19

rebase: use lazy ancestor membership testing For a repository with over 400,000 commits, rebasing one revision near tip, this avoids one walk up the DAG, speeding the operation up by around 0.8 seconds.
author Siddharth Agarwal <sid0@fb.com>
date Mon, 17 Dec 2012 20:51:21 -0800
parents df5ecb813426
children 4b0fc75f9403
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