Performance problem in reverse algorithm

[David Nadlinger via digitalmars-d-ldc]

On Monday, 25 August 2014 at 18:04:02 UTC, Fool wrote:
> Introducing pragma(LDC_never_inline) slightly improves 
> execution time of the ldc result to 5.4s. Still, this is more 
> than three times slower than the fast version produced by 
> clang++.

I just tested this, and on the machine I ran this on the code LDC 
produces with inlining disabled is just as fast as the one 
produced by Clang.

---
$ ldc2 -version
LDC - the LLVM D compiler (c8b9f6):
   based on DMD v2.066 and LLVM 3.5.0
   Default target: x86_64-unknown-linux-gnu
   Host CPU: corei7-avx
[…]

$ clang++ --version
clang version 3.5.0 (tags/RELEASE_350/final)
Target: x86_64-unknown-linux-gnu
Thread model: posix
---

David