To avoid the two memory reads on every access, the 386 includes a 32-entry Translation Lookaside Buffer (TLB) organized as 8 sets with 4 ways each. Each entry stores the virtual-to-physical mapping along with the combined PDE+PTE permission bits.
This doesn't mean all maps must be brand new, just from the same batch/pre-calculation period.
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"I feel like he's at the point where he wants to bring his music to as many people as possible," she adds.
The system, designed in Devon by a company called Fishtek Marine, was tested by Swansea University in the Severn Estuary.