nx_bench_metrics_test.nx

nx_bench_metrics_test.nx -- KAT for the retrieval-quality kernels. Native sovereign lane: nx_compile_x86_native.elf -> as -> ld -> run. Exit 0 = all pass; exit N = assertion N failed. Goldens (Q16.16, FX_ONE = 65536): DCG[3,2,3,0,1,2]@6 = 6.8610 * 65536 ~= 449640 IDCG (sorted desc) = 7.1410 * 65536 ~= 467989 nDCG = 0.96081 * 65536 ~= 62968 precision@4 (2 rel) = 0.5 -> 32768 (exact) recall@4 (2 of 3) = 0.6667 -> 43690 (exact, truncated) RR (first rel @ 2) = 0.5 -> 32768 (exact) AP [a,b,c,d] rel{a,c}= (1 + 2/3)/2 = 0.8333 -> 54613 (exact, trunc) primary@4 [1,0,1,1] = 0.75 -> 49152 (exact) canonical_rate[1,1,2,3]= 0.75 -> 49152 (exact)