pvm_get_timer - Gets the system's notion of the current time.
pvm_get_timer returns the time elapsed since the last call of pvm_get_timer or the last call of pvm_set_timer. The time is expressed in elapsed microseconds. The resolution of the system clock is hardware dependent; the time may be updated continuously or in clock ticks.
The returned value timewill be >= 0 if the call is successful and will be will be -1 if some error occurs.
B = rand(100,100); A = rand(100,100); pvm_set_timer();C=A*B;t=pvm_get_timer()