corr -- correlation
  option dim backend support           type biased
  ------ --- ------- ------- -------------- ------
     -1   1    n/a     full           float   yes
     -2   1    n/a     same           float   yes
     -3   1    n/a     min            float   yes
     -4   1    n/a     full           float    no
     -5   1    n/a     same           float    no
     -6   1    n/a     min            float    no
     -7   1    n/a     full  complex<float>   yes
     -8   1    n/a     same  complex<float>   yes
     -9   1    n/a     min   complex<float>   yes
    -10   1    n/a     full  complex<float>    no
    -11   1    n/a     same  complex<float>    no
    -12   1    n/a     min   complex<float>    no
    -13   2    [O]     full           float   yes
    -14   2    [O]     same           float   yes
    -15   2    [O]     min            float   yes
    -16   2    [O]     full           float    no
    -17   2    [O]     same           float    no
    -18   2    [O]     min            float    no
    -19   2    [O]     full  complex<float>   yes
    -20   2    [O]     same  complex<float>   yes
    -21   2    [O]     min   complex<float>   yes
    -22   2    [O]     full  complex<float>    no
    -23   2    [O]     same  complex<float>    no
    -24   2    [O]     min   complex<float>    no
    -25   2    [G]     full           float   yes
    -26   2    [G]     same           float   yes
    -27   2    [G]     min            float   yes
    -28   2    [G]     full           float    no
    -29   2    [G]     same           float    no
    -30   2    [G]     min            float    no
    -31   2    [G]     full  complex<float>   yes
    -32   2    [G]     same  complex<float>   yes
    -33   2    [G]     min   complex<float>   yes
    -34   2    [G]     full  complex<float>    no
    -35   2    [G]     same  complex<float>    no
    -36   2    [G]     min   complex<float>    no
  
   Notes:
    [O] -- optimized generic backend
    [G] -- generic backend
  
   Parameters:
    -param N      -- size of coefficient vector
                     (default 16)
    -start N      -- starting problem size 2^N
                     (default 4, or 16 points)
    -loop_start N -- initial number of calibration
                     loops (default 5000)