POSplit sp11 = GenPhyOp.topSplitOp();
POSplit sp21 = GenPhyOp.topSplitOp();
php.add(sp11);
php.add(sp21);
php.connect(fl1, sp11);
php.connect(fl2, sp21);
POFilter fl11 = GenPhyOp.topFilterOp();
fl11.setRequestedParallelism(10);
POFilter fl21 = GenPhyOp.topFilterOp();
fl21.setRequestedParallelism(20);