bench 2 - Direct

% with default values of maxevals and maxits Direct stops immediately thus non-defaults were used

f = @(x) x(1)/(x(2)+1e-15) + x(3)/(x(4)+1e-15) + x(5)/(x(6)+1e-15) + x(6)/(x(1)+1e-15) + 10^-7*sum(x);
Problem.f = f;
bounds = [zeros(1,6);ones(1,6)]';
opts.tol = 1e-9;
opts.maxevals = 100000;
opts.maxits = 10000;
tic
[ret_minval,final_xatmin,history] = Direct(Problem,bounds,opts);
toc

Output:
...
Exceeded max fcn evals. Increase maxevals
Iter: 1946   f_min:    0.3889205538    fn evals:   100009
Elapsed time is 475.858316 seconds.