[pjmlp]

One possible way would be to revisit such ideas while using AVX-512, the surviving pieces out of Larrabee.

[anthk]

llvmpipe/lavapipe under MESA, too.

Lavapipe on Vulkan makes VKQuake playable even con Core Duo 2 systems. Just as a concept, of course. I know about software rendered Quakes since forever.