A computer has its programs in instructions and operand descriptors to specify the operands of the instructions. Apparatus for specifying data timeliness requirements of individual pieces of data pointed by the instruction operands is described hereby. The data timeliness requirements range from the...http://www.google.ca/patents/US20060015780?utm_source=gb-gplus-sharePatent US20060015780 - Specifying data timeliness requirement and trap enabling on instruction operands of a processor