I know that 100k heads is kindof absurd. Perhaps handling this many heads is unrealistic for other reasons. But I vaguely recall numbers like this being mentioned on the mailing list.
It would be pretty trivial to reduce the work to O(N) by using a hash set to keep track of the references that have already been seen.
I don't plan to work on this, but I thought I would point it out in case it is causing somebody pain.
Michael -- Michael Haggerty mhagger@xxxxxxxxxxxx http://softwareswirl.blogspot.com/ -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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