Johan Hake wrote: > On Friday 12 February 2010 13:06:00 Garth N. Wells wrote: >> Garth N. Wells wrote: >>> I've tracked a leak in the Python interface down to the line: >>> >>> # Initialize base class >>> cpp.Form.__init__(self, self._compiled_form, self.function_spaces, >>> self.coefficients) >>> >>> on line 46 of form.py. If I do >>> >>> cpp.Form.__init__(self, self._compiled_form, self.function_spaces, []) >>> >>> then there is no observable leak. Any ideas? I checked dolfin::Form it >>> it looks ok. I even commented out all code in the dolfin::Form >>> constructor to be sure. >> Could the problem be in the SWIG wrapper for std::vector? The line >> >> res = SWIG_ConvertPtrAndOwn(py_item, &itemp, >> $descriptor(dolfin::TYPE *), 0, &newmem); >> >> looks suspicious. Johan? > > I can have a look at it. I see that you have reported a bug. >
Yes, I dug deep enough that I could identify the problem precisely enough for a bug report, but I couldn't fix it. Garth > Johan > >> Garth >> >>> Below is the script that I've been testing with. >>> >>> Garth >>> >>> >>> from dolfin import * >>> parameters["form_compiler"]["cpp_optimize"] = True >>> parameters["form_compiler"]["optimize"] = True >>> mesh = UnitSquare(16, 16) >>> for t in xrange(20000): >>> for level in xrange(100): >>> V = FunctionSpace(mesh, "CG", 1) >>> v = TestFunction(V) >>> u = Function(V) >>> u0 = Function(V) >>> L = v*(u-u0)*dx >>> b = assemble(L) >>> print "----" >>> >>> >>> >>> _______________________________________________ >>> Mailing list: https://launchpad.net/~dolfin >>> Post to : dolfin@lists.launchpad.net >>> Unsubscribe : https://launchpad.net/~dolfin >>> More help : https://help.launchpad.net/ListHelp >> _______________________________________________ >> Mailing list: https://launchpad.net/~dolfin >> Post to : dolfin@lists.launchpad.net >> Unsubscribe : https://launchpad.net/~dolfin >> More help : https://help.launchpad.net/ListHelp >> _______________________________________________ Mailing list: https://launchpad.net/~dolfin Post to : dolfin@lists.launchpad.net Unsubscribe : https://launchpad.net/~dolfin More help : https://help.launchpad.net/ListHelp
