SPEC CPU® 2006 (Retired: January 2018) The SPEC CPU® 2006 benchmark is SPEC's industry-standardized, CPU-intensive benchmark suite, stressing a system's processor, memory subsystem and compiler. BENCHMARK RETIREMENT: With the release of the SPEC CPU 2017 benchmark suite, the CPU 2006 suite has been retired. See below for details on the retirement schedule and result publication. This benchmark sui