Even dedicated supercomputer processors (e.g. A2, SW26010, VIIIfx) use virtual memory. In fact, most GPUs nowadays include an MMU as well, something they historically never had.
(SC applications tend to be huge fans of using enormous page sizes, like 2 GB, which mitigates page table walk costs)
(SC applications tend to be huge fans of using enormous page sizes, like 2 GB, which mitigates page table walk costs)