Added some data scaling and error calculation in model check.

compiler/tests/testutils.py

@@ -62,6 +62,7 @@ class openram_test(unittest.TestCase):
         delay_obj.set_load_slew(load, slew)
         delay_obj.set_probe(probe_address="1"*sram.addr_size, probe_data=(sram.word_size-1))
         test_port = delay_obj.read_ports[0] #Only test one port, assumes other ports have similar period.
+        delay_obj.create_measurement_objects()
         delay_obj.find_feasible_period_one_port(test_port) 
         return delay_obj.period