On Wed, 7 Jan 2009, Davide Libenzi wrote: > > xdiff allows for diffing ranges, and the most efficent method is exactly > how you did ;) No, the performance problem is how it needs to re-hash everything. xdiff doesn't seem to have any way to use a "subset of the hash", so what the patience diff does is to use a subset of the mmfile, and then that will force all the rehashing to take place, which is kind of sad. It would be nice (for patience diff) if it could partition the _hashes_ instead of partitioning the _data_. That way it wouldn't need to rehash. See? Linus -- 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
