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. 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
