viewer.nvidia.com/get/hw/doc/gpu/turing/turing/design/IAS/SM/ISA/IAS_Turing_ISA.htm#Architecture_State__Special_Registers
* https://p4viewer.nvidia.com/get/hw/doc/gpu/ampere/ampere/design/IAS/SM/ISA/IAS_Ampere_ISA.htm#Architecture_State__Special_Registers