Not sure if your explaination is correct, I think the Apple team explained Speedup <1.0x is slower under Regression and >1.0x is faster under improvement.
The table seriously need improvement or everyone will be confused. On Fri, Apr 21, 2017 at 12:27 AM, Saagar Jha <saa...@saagarjha.com> wrote: > Delta is (OLD_MIN - NEW_MIN) / OLD_MIN expressed as a percent; speedup is > (OLD_MIN - NEW_MIN) / NEW_MIN as a decimal. A negative delta corresponds to > a speedup less than 1 (i.e the newer one is slower) and a positive delta to > a speedup greater than one (i.e. the newer one is faster). > > Saagar Jha > > On Apr 20, 2017, at 07:48, Proyb P via swift-users <swift-users@swift.org> > wrote: > > What those PR in Swift CI benchmark shown "Regression", "Old_min", > "new_min", "delta" and "speedup" really mean? Speedup can be confusing when > Delta is either a positive or negative value. > > https://github.com/apple/swift/pull/3796 > > > > > _______________________________________________ > swift-users mailing list > swift-users@swift.org > https://lists.swift.org/mailman/listinfo/swift-users > > >
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