Performance differences: POSIX threads vs. ADA threads?
@res.raytheon.com wrote: > thanks in advance to any replies to this post, they are much > appreciated. this is the situation: i am trying to debug a real-time > system running on a solaris. it was implemented using ada threads. the > question i have and the issue i am not to clear on is the relationship > between posix threads and realtime systems. is there an advantage to > using posix threads besides portability? i know that solaris implements > posix and that there are posix bindings (florist) for ada. i read > somewhere that posix threads have less overhead than ada threads. i > guess my ultimate question is… in a realtime system running on > solaris, written in ada, would there be any significant performance > difference in implementing posix threads over ada threads, or vice > versa? Though I don’t know the internals of the Ada runtime you’re using, most likely “Ada tasks” and “POSIX threads” are no different at all below the surface layers. Ada likely uses either the POSIX or
