Nicolas Pitre <nico@xxxxxxx> writes: > this is still rough, hence it is disabled by default. You need to compile > with "make THREADED_DELTA_SEARCH=1 ..." at the moment. > > Threading is done on different portions of the object list to be > deltified. This is currently done by spliting the list into n parts and > then a thread is spawned for each of them. A better method would consist > of spliting the list into more smaller parts and have the n threads > pick the next part available. In my experience, the worst performance hit happens when the real memory is exhausted and things start paging. Threading on different portions of the object list is going to exacerbate the problem in the areas where it hits worst. -- David Kastrup, Kriemhildstr. 15, 44793 Bochum - 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
