On Thu, Jul 31, 2014 at 06:12:11PM -0700, Walter Bright via Digitalmars-d wrote: > On 7/31/2014 3:21 PM, Daniel Gibson wrote: > >And I agree with your stance on those fine-grained optimization > >switches from your other post. GCC currently has 191 flags the > >influence optimization[1] > > Just consider this from a testing standpoint. As I mentioned > previously, optimizations interact with each other to produce emergent > behavior. GCC has 191 factorial different optimizers. Google's > calculator puts 191! at infinity, which it might as well be. [...]
It's actually a number with "only" 360+ digits. :-) There are far larger numbers between it and infinity, but I get the point, it's impractically huge, and certainly poorly covered by tests. T -- "Uhh, I'm still not here." -- KD, while "away" on ICQ.
