Dot product processors, methods, systems, and instructions

(canceled)

An apparatus comprising:

• a plurality of packed data registers;
• and
• an execution unit coupled with the plurality of the packed data registers, the execution unit operable, in response to a dot product instruction indicating a first source packed data including at least four data elements, indicating a second source packed data including at least eight data elements, and indicating a destination storage location, to store a result packed data in the destination storage location, the result packed data including a plurality of data elements that each include a dot product result, each of the dot product results including a sum of products of the at least four data elements of the first source packed data with corresponding data elements in a different subset of at least four data elements of the second source packed data.

(canceled)

An article of manufacture comprising:

• a machine-readable storage medium including one or more solid data storage materials, the machine-readable storage medium storing a dot product instruction,
• the dot product instruction to indicate a first source packed data including at least four data elements A0, A1, A2, A3, to indicate a second source packed data including at least eight data elements B0, B1, B2, B3, C0, C1, C2, C3, and to indicate a destination storage location, and the dot product instruction if executed by a machine operable to cause the machine to perform operations comprising:
• storing a result packed data in the destination storage location, the result packed data including at least a first data element that includes A0*B0+A1*B1+A2*B2+A3*B3 and a second data element that includes A0*C0+A1*C1+A2*C2+A3*C3.

(canceled)