Displaying 1 result from an estimated 1 matches for "nothot".
2015 Dec 16
3
RFC: Hotness thresholds in profile header
Hi,
The problem we're trying to address:
PGO transforms that are based on block counts need some way to answer
isHotBlock() query. A simple comparison of the form block_count > N, for
some constant N is not useful since even for the same program different
profile inputs can cause different answers for isHotBlock() on the same
block. This can be addressed by comparing against a reference