FWIW: this thread has been the best holy war I've read in a long time. :-)
On Aug 17, 2013, at 11:51 PM, "Alexander Shorin" <kxe...@gmail.com> wrote: > On Sun, Aug 18, 2013 at 10:29 AM, Benoit Chesneau <bchesn...@gmail.com> wrote: >> On Sun, Aug 18, 2013 at 6:51 AM, Thanos Vassilakis <than...@gmail.com>wrote: >> >>> Build views performance gains: >>> Python 4-6 times faster + less memory >> >> >> Whatever the results of this benchmark are, this not the first time, I >> heard that the python engine is faster than the Javascript one. I wonder >> what could make it faster than the javascript engine. Since the protocol >> and encode/decode steps are the same, this is likely an issue in the >> couchjs program. That would be interesting to see where the JS engine lost >> times and eventually fix it. > > As for my experience, Python is not faster than JS until you don't > have to use stdlib or other packages actively. Lack of stdlib power > forces you write/ship a lot of routine code, that mostly not so fast > and effective as some C-extension on disk "that does magic" for > Python. For simple cases like > > def map(doc): > if 'foo' in doc: > yield doc['foo'], 1 > > you will not see the profit. > > -- > ,,,^..^,,,
