That's to say, python is still much faster? I am a c++ newbie but I think c++ should be faster here. Maybe someone can post this to the c++ maillist and they will tell how to accelerate it. Tim N. van der Leeuw wrote: > Mc Osten wrote: > > Fredrik Lundh <[EMAIL PROTECTED]> wrote: > > > > > Python's memory allocator is also quite fast, compared to most generic > > > allocators... > > > > In fact also in the two "slow" versions Python outperforms C++. > > I didn't notice it in the first place. > > > > -- > > blog: http://www.akropolix.net/rik0/blogs | Uccidete i filosofi, > > site: http://www.akropolix.net/rik0/ | tenetevi riso e > > forum: http://www.akropolix.net/forum/ | bacchette per voi. > > Well, I guess I'm getting really obsessed with this. But anyways. I > installed MinGW on my Windows-XP (sp2) laptop. It is g++ version 3.4.5 > -- ancient, yes, but on windows it's the latest available. > > I compiled Mc Osten's C++ program (tweaked the output a little) and ran > it; ran his version of the python code too. > Oh boy; yes indeed the slow python is faster than the fast C++ > version... Must be something really awful happening in the STL > implementation that comes with GCC 3.4! > > Here's the output from my console: > > [EMAIL PROTECTED] ~/My Documents/Python > $ g++ -O3 -march=pentium-m -o SpeedTest SpeedTest.cpp > > [EMAIL PROTECTED] ~/My Documents/Python > $ ./SpeedTest.py > Begin Test > Number of unique string objects: 4 > so long... > What do you know > fool > chicken crosses road > Number of unique string objects: 40000 > so long... > What do you know > fool > chicken crosses road > Fast - Elapsed: 0.037574 seconds > Slow - Elapsed: 0.081520 seconds > > [EMAIL PROTECTED] ~/My Documents/Python > $ ./SpeedTest.exe > Begin Test > What do you know? > chicken crosses road > fool > so long... > What do you know? > chicken crosses road > fool > so long... > Fast - Elapsed: 2.089 seconds > Slow - Elapsed: 6.303 seconds > > [EMAIL PROTECTED] ~/My Documents/Python > > > Cheers, > > --Tim
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