-bench 4, 1, $diag, \@res;
-bench 4, 4, $diag, \@res;
-bench 4, 16, $diag, \@res;
-bench 4, 64, $diag, \@res;
-bench 4, 256, $diag, \@res;
-bench 16, 1, $diag, \@res;
-bench 16, 4, $diag, \@res;
-bench 16, 16, $diag, \@res;
-bench 16, 64, $diag, \@res;
-bench 64, 1, $diag, \@res;
-bench 64, 4, $diag, \@res;
-bench 64, 16, $diag, \@res;
-bench 256, 1, $diag, \@res;
-bench 256, 4, $diag, \@res;
-bench 1024, 1, $diag, \@res;