I have done some simple bench marking of Python against Fortran, C++ and Java.
The source files can be found at
http://www.rhymneyconsulting.co.uk/python/examples/
c2701.py
c2702.f90
c2703.cxx
c2704.java
A spreadsheet with the timing is also available
27.xls
at the above site in the same directory.
Python Fortran C++ Java
Nag Intel Microsoft g++
3.6.5 6.2 19 17.x 7.3.0 1.8.0_131
Initialisation 12.314372 0.433094 0.589469 0.394777 0.420932 0.609
Summation 14.283259 0.125 0.132813 0.148464 0.158285 0.164
Total 26.597631 0.558094 0.722282 0.543241 0.579217 0.773
Percentage 2.10% 2.72% 2.04% 2.18% 2.91%