Re: [libcxx] r278147 - Update in-tree Google Benchmark to current ToT.

2016-08-09 Thread Craig, Ben via cfe-commits
This is probably more of a comment on the compare_bench.py side of things, but here goes anyway... When comparing two results, both the percentage and absolute differences can be very important. It is very easy to be misled by percentages. It is harder to be misled with absolute differences.

[libcxx] r278147 - Update in-tree Google Benchmark to current ToT.

2016-08-09 Thread Eric Fiselier via cfe-commits
Author: ericwf Date: Tue Aug 9 13:56:48 2016 New Revision: 278147 URL: http://llvm.org/viewvc/llvm-project?rev=278147&view=rev Log: Update in-tree Google Benchmark to current ToT. I've put some work into the Google Benchmark library in order to make it easier to benchmark libc++. These changes h