[pypy-dev] Results NBabel benchmark CO2 production versus time: good new for PyPy map-improvements

Carl Friedrich Bolz-Tereick cfbolz at gmx.de
Tue Jan 26 03:10:20 EST 2021

Hi Pierre,

wow, those numbers are quite something! I suppose the C++ code could be
optimized some more?

Do you plan to submit that soon? Would it make your story easier if I
tried to push ahead with getting map-improvements merged?

Also, would you maybe be interested in (co-?)writing a blog post for the
PyPy blog?: https://morepypy.blogspot.com/


Carl Friedrich

On 1/25/21 8:44 PM, PIERRE AUGIER wrote:
> Hi,
> I did some timing and energy consumption measurements with https://www.grid5000.fr/w/Energy_consumption_monitoring_tutorial
> I think the results tend to validate the approach used in the branch map-improvements (https://foss.heptapod.net/pypy/pypy/-/tree/branch/map-improvements). I attach one of the first figure including a run using an interpreter build with these changes (http://buildbot.pypy.org/nightly/map-improvements-3.7/pypy-c-jit-latest-linux64.tar.bz2).
> To be compared with https://raw.githubusercontent.com/paugier/nbabel/master/py/fig/fig_ecolo_impact_transonic.png taken from Zwart (2020).
> The implementation run with PyPy map-improvements is faster than the implementations using Numba, Fortran and C++ (with flags like -Ofast and -march=native activated!) ! It's a great result! Congratulation!
> For people interested, the code for the benchmarks and the measurement is here https://github.com/paugier/nbabel
> Pierre
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