> On Mar 7, 2020, at 7:33 PM, Peng Yu <pengyu...@gmail.com> wrote: > > Could you show me how you do the profiling for this specific case? > Based on what proof that you can conclude that it is not the `[[` > performance problem?
That's kind of a weird framing. The burden of proof is on *you* to prove your assertion that `[[`, specifically, is causing a problem. vq
