kinke at gmx.net
Tue Sep 24 16:48:48 UTC 2019
On Tuesday, 24 September 2019 at 07:41:35 UTC, Martin
> Thank you, I found this too, but it is more an example of the
> principle, but what is the use case?
> It is only useful if the instruction set of the compiling
> computer differ from target
> hardware and by this you get
>> using host processor instruction set
If you don't want to ship 10 fine-tuned binaries for 10 different
CPUs (see `-mcpu=?`), you can use JIT to compile and tune
performance-critical pieces for the executing/target CPU. E.g.,
letting the auto-vectorizer exploit the full register width for
AVX-512 CPUs etc.
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