[pypy-dev] Updated 'High Performance Python' tutorial (the one from EuroPython 2011)
ian at ianozsvald.com
Wed Nov 16 15:25:08 CET 2011
>From memory the 'native' flag made a difference (I think it allows use
of SSE?). I guess that is something I'll normalise for a future v0.3
release of my handbook :-)
2011/11/15 Jérémie Roquet <arkanosis at gmail.com>:
> 2011/11/15 Armin Rigo <arigo at tunes.org>:
>> On Tue, Nov 15, 2011 at 15:54, Ian Ozsvald <ian at ianozsvald.com> wrote:
>>> ShedSkin (from memory)
>>> requests fast math and a few other things in the generated Makefile.
>> Ah, it is cheating that way. Indeed, I didn't try to play with gcc
>> options; I just used -O2 (or -O3, which made no difference).
> FYI, here is the default FLAGS file for shedskin:
> CCFLAGS=-O2 -march=native -Wno-deprecated $(CPPFLAGS)
> LFLAGS=-lgc -lpcre $(LDFLAGS)
> But of course you can change the compiler and play with its flags to
> improve performance.
> Best regards,
Ian Ozsvald (A.I. researcher)
ian at IanOzsvald.com
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