tic; 
for i=1:100 
   sort([7 2 4 6 27 32 9 4 1 76 27 33 43 41 19 23]); 
end; 
toc

tic; 
for i=1:100 
   merge_sort([7 2 4 6 27 32 9 4 1 76 27 33 43 41 19 23]); 
end; 
toc