1. A method for verifying data from a multimedia application, the method comprising: directing a command issued by the multimedia application and intended for a first driver to the first driver executed by a unit; directing, in parallel, the command intended for the first driver to a second driver executed by a second processing unit; causing the first processing unit to execute the command to generate a first output; causing the second processing unit to execute the command to generate a second output; and in response to a condition indicative of having available data to compare, comparing the first output generated by the first processing unit associated with the first driver and the second output generated by the second processing unit associated with the second driver, wherein the first output is retrieved from a first local memory accessible by the first processing unit, and the second output is retrieved from a second local memory accessible by the second processing unit.