[pypy-issue] [issue1547] Speed regressions vs. CPython for project euler programs

[Carl Friedrich Bolz]

New submission from Carl Friedrich Bolz <cfbolz at gmx.de>:

serge_sans_paill on IRC said the following:

I have been running pypy on the benchmarks from this repo:
https://github.com/serge-sans-paille/pythran/tree/master/pythran/tests/euler
and found a few situations where pypy performs slower than cpython
for the following test cases, pypy is slower than cpython on my machine
('euler05', 27.2) 13
('euler06', 17.4) 6.89
('euler13', 12.1) 4.1
('euler15', 20.9) 5.22
('euler19', 409) 378
('euler20', 142) 85.5
('euler24', 48.8) 14.8
('euler29', 14600.0) 13900.0
('euler40', 24.3) 13.3
('euler57', 13000) 2790.0
first enrty is the test case name, second entry is pypy's timing measuer by
timeit, last entry is cpython timing I ran timeit -n 10 -r 3

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messages: 5949
nosy: cfbolz, pypy-issue
priority: performance bug
status: unread
title: Speed regressions vs. CPython for project euler programs

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