tree 98514498e160c0ee851338842cee9b201da672e0
parent 306fde233ab1f2983fc755e2ee77ce555d6d47fc
author Kecheng Hao <kecheng@fb.com> 1486615161 -0800
committer Facebook Github Bot <facebook-github-bot@users.noreply.github.com> 1486615597 -0800

Optimize computation for top-K accuracy using heaps

Summary: Per the task request, replace the original partial_sort solution by using heap.

Differential Revision: D4529118

fbshipit-source-id: 3dc01fc3a552ad020a0370f8d26cbc8be58bca6b