def op_impl(self):
        # timing is stored by node, we compute timing by Op on demand
        rval = {}
        for node in self.apply_callcount:
            if self.apply_cimpl[node]:
                rval[node.op] = 'C '
            else:
                rval[node.op] = 'Py'
        return rval
Wrapper around Django's `value_from_object`.
dataset/ETHPy150Open rizar/attention-lvcsr/libs/Theano/theano/compile/profiling.py/ProfileStats.op_impl--crossover with--dataset/ETHPy150Open lsaffre/lino/lino/modlib/extjs/elems.py/FieldElement.value_from_object