TEE · Trusted Execution Environment
A hardware-isolated, encrypted region of a processor that protects code and data even from the host operator.
Current numbers
under ~3%Blackwell CC overhead on large matrix ops (encrypted HBM + TEE-I/O over NVLink); Hopper far heavier on small/PCIe transfers
single-GPUHopper-class confidential-computing scope; multi-GPU TEE-I/O across NVLink is Blackwell-and-later