US Patent 7996801 Methods and systems for on-the-fly chip verification

Methods and systems for on-the-fly chip verification method for tracking non-contiguous events. A method includes comparing a first search marker associated with a first check vector to a search key associated with an output vector of a design under test (DUT). The method also includes performing either: verifying a validity of the output vector when the first search marker equals the search key, or comparing a second search marker associated with a second check vector to the search key when the first search marker does not equal the search key.