where? Can you send me a patch? Massimo
On Dec 29, 9:01 am, Timothy Farrell <tfarr...@swgen.com> wrote: > You might want to switch back to list comprehensions. Granted the code is > uglier but there are two big reasons. > 1) Speed. Seehttp://www.daniweb.com/forums/thread32869.htmlfor more info. > You could wrap the inner loop inner workings in a function and still reap > massive benefits > by not having to call list.append() n^2 times. > 2) It's recommended for building lists in Py3k. > The results of the above linked test are:[0, 2, 4, 6, 8, 10, 12, 14, 16, 18, > 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, > 58] > [0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, > 40, 42, 44, 46, 48, 50, 52, 54, 56, 58] > Profile of evenList1(), check the time consumed by the many append() calls: > (ignore time consumed by the profiler itself) > 50005 function calls in 0.174 CPU seconds > Ordered by: standard name > ncalls tottime percall cumtime percall filename:lineno(function) > 50000 0.066 0.000 0.066 0.000 :0(append) > 1 0.002 0.002 0.002 0.002 :0(range) > 1 0.005 0.005 0.005 0.005 :0(setprofile) > 1 0.001 0.001 0.168 0.168 <string>:1(<module>) > 1 0.100 0.100 0.168 0.168 Script1.py:5(evenList1) > 1 0.000 0.000 0.174 0.174 profile:0(evenList1()) > 0 0.000 0.000 profile:0(profiler) > Profile of evenList2(): > (ignore time consumed by the profiler itself) > 5 function calls in 0.018 CPU seconds > Ordered by: standard name > ncalls tottime percall cumtime percall filename:lineno(function) > 1 0.002 0.002 0.002 0.002 :0(range) > 1 0.000 0.000 0.000 0.000 :0(setprofile) > 1 0.001 0.001 0.018 0.018 <string>:1(<module>) > 1 0.015 0.015 0.017 0.017 Script1.py:15(evenList2) > 1 0.000 0.000 0.018 0.018 profile:0(evenList2()) > 0 0.000 0.000 profile:0(profiler) > mdipierro wrote:OK. it is in trunk but slightly different. The representation > is now independent on the database backend. Massimo On Dec 29, 8:04 am, > Timothy Farrell<tfarr...@swgen.com>wrote:Massimo, would it help if I made a > bzr branch? Timothy Farrell wrote:I've been using this in my setup (my setup > has a few customizations) since the thread linked below. Just to say that it > works! -tim vince > wrote:http://groups.google.com/group/web2py/browse_thread/thread/8e3e33879974663f/64f76c562366aec4?lnk=gst&q=json#64f76c562366aec4willit > be added or we'll have to wait? i think it's hard to avoid all dependency > contrib / thirdparty package. as long as it's include i think that's fine. > -vince-- Timothy Farrell<tfarr...@swgen.com>Computer Guy Statewide General > Insurance Agency (www.swgen.com)-- Timothy > Farrell<tfarr...@swgen.com>Computer Guy Statewide General Insurance Agency > (www.swgen.com)-- Timothy Farrell<tfarr...@swgen.com>Computer Guy Statewide > General Insurance Agency (www.swgen.com) --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "web2py Web Framework" group. To post to this group, send email to web2py@googlegroups.com To unsubscribe from this group, send email to web2py+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/web2py?hl=en -~----------~----~----~----~------~----~------~--~---
