Files
corona/dkg2
zeekay b5905f9147 dkg2: rename gpu fan-out files to dkg2_parallel.go (honest labelling)
The two build-tagged files (dkg2_gpu_default.go, dkg2_gpu_accel.go)
implemented a goroutine fan-out, NOT a GPU dispatch. Real GPU NTT for
the underlying ring math lives in luxfi/lattice/v7/gpu and is reached
via the consensus engine accel pipeline.

Collapse to a single file dkg2_parallel.go with no build tag. Default
OFF (matching the prior non-gpu build); tests opt in via SetDKG2GPUForTest.

The exported helper name SetDKG2GPUForTest is left as-is to avoid breaking
existing test callers; the legacy `GPU` in the name is documented as a
historical misnomer.
2026-05-24 14:17:50 -07:00
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