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May 6, 2016 at 07:41
Microsoft have written a SSA optimiser for their C++ toolchain! https://blogs.msdn.microsoft.com/vcblog/2016/05/04/new-code-optimizer/ (pretty accessible blog post for a compiler)
Introducing a new, advanced Visual C++ code optimizer - C++ Team Blog
Introducing a new, advanced Visual C++ code optimizer - C++ Team Blog
We are excited to announce the preview release of a new, advanced code optimizer for the Visual C++ compiler backend. It provides many improvements for both code size and performance, bringing the optimizer to a new standard of quality expected from a modern native compiler. This is the first public release and we are encouraging […]

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Nov 11, 2017 at 00:38
C++ compiler beating hand written assembly: https://stackoverflow.com/questions/40354978/why-is-this-c-code-faster-than-my-hand-written-assembly-for-testing-the-collat If you haven't measured the cycle time of the different instructions, the optimiser can often do better!
performance - Why does C++ code for testing the Collatz conjecture run faster than hand-written assembly? - Stack Overflow
performance - Why does C++ code for testing the Collatz conjecture run faster than hand-written assembly? - Stack Overflow
Aug 23, 2017 at 20:33
The Sista VM, an incredible JIT optimiser for Smalltalk, has now released an alpha:
Sista: open alpha release
Sista: open alpha release
Hi everyone, It is now time to make an open alpha release of the Sista VM. As all alpha releases, it is reserved for VM developers (the release is not relevant for non VM developers, and clearly no…
Sep 29, 2016 at 01:01
It's remarkable how much of Emacs' byte-compiler optimiser is unchanged from 1992!
Blaming emacs/lisp/emacs-lisp/byte-opt.el at master · emacs-mirror/emacs
Blaming emacs/lisp/emacs-lisp/byte-opt.el at master · emacs-mirror/emacs
Mirror of GNU Emacs. Contribute to emacs-mirror/emacs development by creating an account on GitHub.