<a href="http://hal.inria.fr/inria-00602216/">INRIA RR-7653</a>.
If you are using the \c ucontext or \c raw context factories, you can
request to execute the user code in parallel. Several threads are
launched, each of them handling as much user contexts at each run. To
actiave this, set the \b contexts/nthreads item to the amount of
<a href="http://hal.inria.fr/inria-00602216/">INRIA RR-7653</a>.
If you are using the \c ucontext or \c raw context factories, you can
request to execute the user code in parallel. Several threads are
launched, each of them handling as much user contexts at each run. To
actiave this, set the \b contexts/nthreads item to the amount of