On Wednesday, 4 October 2017 at 13:15:17 UTC, Ilya Yaroshenko wrote:
On Wednesday, 4 October 2017 at 12:11:54 UTC, Kagamin wrote:
On Sunday, 1 October 2017 at 14:38:04 UTC, Ilya Yaroshenko wrote:
[1] https://github.com/tamediadigital/asdf/tree/master/benchmarks/sajson

AFAIK, ldc translates dmd's -O option to llvm's -O3.

sajson loops are manually unrolled already. Very aggressive optimisation makes no sense and may unroll loops additionally and slowdown the program.

Any reason clang++ is only -O2, not -O{3,s,z}?

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