[PATCH] D44823: [libcxx] Improving std::vector<char> and std::deque<char> perfomance

Tue Jan 29 12:42:32 PST 2019

lebedev.ri added a comment.

In D44823#1375654 <https://reviews.llvm.org/D44823#1375654>, @mclow.lists wrote:

> In D44823#1375590 <https://reviews.llvm.org/D44823#1375590>, @mclow.lists wrote:
>
> > I just tried this (on Compiler Explorer) using LLVM 7, and the code for my original test in https://bugs.llvm.org/show_bug.cgi?id=35637 is now optimal.
>
>
> Pilot error - it's still the same.

Not too surprising, i don't recall any of the `memset` llvm differentials progressing.
Though i think there was a consensus in some one of them that the transform itself is valid.
Not sure which patch was the closest one to completion, or what it would take though.

Repository:
  rCXX libc++

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D44823/new/

https://reviews.llvm.org/D44823