Apparatus for storing all logic simulation signal values generated by a logic simulator during a simulation run is provided. The apparatus includes a runtime array for storing a plurality of signal values for each time instance in a predetermined time period, and a checkpoint cache for selectively storing...http://www.google.com.tw/patents/US8050903?utm_source=gb-gplus-share專利 US8050903 - Apparatus and method for checkpointing simulation data in a simulator
