mma-shadow bench  pack "igneum-genesis"  class mx8+mm8xR  R = 32  mm8 per hash = 256  path = reference (shuffles + byte products)
mm8 table seed 0x79f1fc5b6ed6112e (first steps: see mm8_block.h)
GPU: NVIDIA GeForce RTX 4090  (128 SMs, cc 8.9, 24092 MiB)  SM clock 2520 MHz, mem clock 10501 MHz, bus 384 bits, L2 72 MiB, max 1536 threads/SM
CUDA: driver 12.8, runtime 12.8
igneum_hash_info: 151 registers/thread, 12 resident blocks/SM at 1 warp(s)/block = 12 resident warps/SM (25.0% of 48)
cache fill (GPU): 1.80 ms first, 1.77 ms second (256 MiB)
cache check: PASS  (device FNV-1a 64 48c4f5bf24166b2e vs Mac 48c4f5bf24166b2e PASS, head PASS, last line PASS)
dataset build (GPU, 1024 MiB): 30.57 ms first, 30.52 ms second
dataset self-test: PASS  (head 16 PASS, [MASK] PASS, 64 random points vs host derivation PASS, 64 Mac samples PASS)
pack vectors: not applicable at R = 32 (checked at R = 0 only)
warm-up batch: 16777216 hashes in 265.96 ms wall
fingerprint: 26e83a65f519c865  (FNV-1a 64 over the 2^24 outputs at base nonce 0, little-endian u64 bytes)
SUMMARY R=32 regs=151 blocksPerSM=12 mhs=0.000 mhs_wall=0.000 mhs_sustain=0.000 fingerprint=26e83a65f519c865 cache=PASS dataset=PASS vectors=n/a
OVERALL: PASS