On Sat, Apr 04, 2015 at 08:32:45PM +0200, erik elfström wrote: > In my scenario get_ref_cache will be called 10000+ times, each time > with a new path. The final few calls will need to search through and > compare 10000+ entries before realizing that there is no existing > entry. This quickly ads up to 100 million+ calls to strcmp(). > > From what I can understand, the calls to get_ref_cache in this > scenario will never do any useful work. Is this correct? If so, would > it be possible to bypass it, maybe by calling > resolve_gitlink_ref_recursive directly or by using some other way of > checking for the presence of a git repo in clean.c:remove_dirs? I think this is the same issue that was discussed here: http://thread.gmane.org/gmane.comp.version-control.git/265560/focus=265585 There is some discussion of a possible fix in that thread. I was hoping that Andreas was going to look further and produce a patch, but I imagine he got busy with other things. Do you want to try picking it up? -Peff -- 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