== c1m create threads=4  CPU-s: median of both copies of each arm (n legs); A/A = worst |X - X2| / min over the reps; verdict clears the A/A floor or is UNRESOLVED
      m |     fold    force     F/T |   aa_F   aa_T  floor | verdict |      wF      wT  wF/wT | foreign max | peak MB force/fold
    256 |    21.88    41.56   0.526 |   4.7%   2.1%   4.7% | fold    |    5.04    8.05  0.627 | 136% (8 legs) | 4386/394
    320 |    36.62    42.22   0.867 |   2.9%   1.7%   2.9% | fold    |    6.20    8.32  0.746 | 103% (8 legs) | 4452/500
    384 |    41.70    42.66   0.977 |   1.2%   0.9%   1.2% | fold    |    7.43    8.38  0.886 | 120% (8 legs) | 4517/598
    448 |    45.92    42.84   1.072 |   3.1%   4.6%   4.6% | ntt     |    8.59    8.52  1.008 | 106% (8 legs) | 4583/697
    512 |    51.70    43.24   1.195 |   4.9%   1.9%   4.9% | ntt     |   10.11    8.56  1.182 | 138% (8 legs) | 4649/797
  crossover (log-interpolated, median): CPU m ~ 399   wall m ~ 444
  foreign CPU over 40 legs: median 90% of a core, max 138% (after-leg median 72%)
== c1m create threads=16  CPU-s: median of both copies of each arm (n legs); A/A = worst |X - X2| / min over the reps; verdict clears the A/A floor or is UNRESOLVED
      m |     fold    force     F/T |   aa_F   aa_T  floor | verdict |      wF      wT  wF/wT | foreign max | peak MB force/fold
    256 |    40.41    66.20   0.610 |   3.1%   2.5%   3.1% | fold    |    3.39    4.70  0.721 | 97% (8 legs) | 4444/394
    320 |    59.64    65.34   0.913 |   8.3%   3.8%   8.3% | fold    |    3.98    4.75  0.839 | 123% (8 legs) | 4520/523
    384 |    69.56    67.30   1.034 |   5.2%   3.8%   5.2% | unres   |    4.60    4.78  0.962 | 106% (8 legs) | 4593/622
    448 |    80.08    67.09   1.194 |   3.8%   1.0%   3.8% | ntt     |    5.28    4.76  1.108 | 92% (8 legs) | 4657/720
    512 |    95.91    69.05   1.389 |   1.2%   5.5%   5.5% | ntt     |    6.38    4.93  1.292 | 123% (8 legs) | 4726/818
  crossover (log-interpolated, median): CPU m ~ 366   wall m ~ 400
  foreign CPU over 40 legs: median 49% of a core, max 123% (after-leg median 92%)