pypy on windows much slower than linux/mac when using complex number type?

[Chris Angelico]

On Wed, Sep 21, 2016 at 8:50 AM, Irmen de Jong <irmen.NOSPAM at xs4all.nl> wrote:
>> Dunno if it's the cause or not, but you're running a 32-bit PyPy on a
>> 64-bit Windows. I could well imagine that that has some odd
>> significance.
>>
>> ChrisA
>
>
> Perhaps. Though I can't really imagine what's going on there then. The one on Linux is
> 32 bits as well and it's also much faster...
> Unfortunately there's no 64 bits pypy expected for windows, so I can't test that

Yeah, but the Linux one is running in a 32-bit OS. I don't know how
the "32-bit on 64-bit" subsystem of Windows works and how fast it is;
it could be that the thunking defeats some optimizations relating to
floating-point. Who knows. Hard to test.

ChrisA