OpenImageIO/oiio — pull request #809 by lgritz (2014-02-25 05:28:49+00:00)
Title: Speedup of iinfo/oiiotool --hash

By changing a large vector<> allocation (which zeroes out the vector)
to a scoped_array<> (which does not needlessly initialize the allocation),
this speeds up a SHA-1 hash of an 8k image by about 20%.