thodg/libgit2

2014-05-08T17:14:59

pack: preallocate a 64-element chain Dependency chains are often large and require a few reallocations. Allocate a 64-element chain before doing anything else to avoid allocations during the loop. This value comes from the stack-allocated one git uses. We still allocate this on the heap, but it does help performance a little bit.