The three lectures give a quick and fast intro to this extension to C: http://supertech.csail.mit.edu/cilk/lecture-1.ppt http://supertech.csail.mit.edu/cilk/lecture-2.ppt http://supertech.csail.mit.edu/cilk/lecture-3.ppt The main problem I see is combining this form of parallelism with other ones. Bye, bearophile