========================== CPU to ISA Version Mapping ========================== Mapping of some CPU versions to relevant ISA versions. ========= ==================================================================== CPU Architecture version ========= ==================================================================== Power9 Power ISA v3.0B Power8 Power ISA v2.07 Power7 Power ISA v2.06 Power6 Power ISA v2.05 PA6T Power ISA v2.04 Cell PPU - Power ISA v2.02 with some minor exceptions - Plus Altivec/VMX ~= 2.03 Power5++ Power ISA v2.04 (no VMX) Power5+ Power ISA v2.03 Power5 - PowerPC User Instruction Set Architecture Book I v2.02 - PowerPC Virtual Environment Architecture Book II v2.02 - PowerPC Operating Environment Architecture Book III v2.02 PPC970 - PowerPC User Instruction Set Architecture Book I v2.01 - PowerPC Virtual Environment Architecture Book II v2.01 - PowerPC Operating Environment Architecture Book III v2.01 - Plus Altivec/VMX ~= 2.03 ========= ==================================================================== Key Features ------------ ========== ================== CPU VMX (aka. Altivec) ========== ================== Power9 Yes Power8 Yes Power7 Yes Power6 Yes PA6T Yes Cell PPU Yes Power5++ No Power5+ No Power5 No PPC970 Yes ========== ================== ========== ==== CPU VSX ========== ==== Power9 Yes Power8 Yes Power7 Yes Power6 No PA6T No Cell PPU No Power5++ No Power5+ No Power5 No PPC970 No ========== ==== ========== ==================================== CPU Transactional Memory ========== ==================================== Power9 Yes (* see transactional_memory.txt) Power8 Yes Power7 No Power6 No PA6T No Cell PPU No Power5++ No Power5+ No Power5 No PPC970 No ========== ====================================