% should take just over 30min on a gigahertz pentium

for level=1:9 % skip value
  k=(2^(1/3))^level;
  matfile=sprintf("Jsum%02d.mat",level); % comparsum input
  % cls_fast uses 256 equations in 256 unknowns
  cls_fast(matfile, k);
  cls_fast(matfile, k,1); % do scraggly version
  cls(matfile, k); % 65536 equations in 256 unknowns
end%for

