Discarding incorrectly speculated pipeline instructions.

Temporary halt caused by an unresolved dependency or resource conflict.

Pipeline conflict caused by data dependencies.

Pipeline conflict caused by unavailable hardware resources.

Pipeline uncertainty caused by branching instructions.

Independent processing unit within a processor.

Logical execution context supported by a processor.

Simultaneous multithreading technology allowing multiple logical threads per core.

Intel's implementation of simultaneous multithreading.

Physical package containing one or more processor dies.