NightStrike writes: > On 10/19/07, Andrew Haley <aph-gcc@xxxxxxxxxxxxxxxxxxx> wrote: > > NightStrike writes: > > > Does gcj support setting priorities for threads in a java process? > > > > Yes, it does. It passes the priority down to the underlying thread system. > > What is the underlying thread system? Does it incorporate pthreads, > or some other thing? That depends on the OS. Usually pthreads. > > > Also, is garbage collection preemptible? > > > > You'll have to explain what you mean by that. > > In a Sun virtual machine environment, garbage collection can run at > any arbitrary time, and there is nothing that the application can > do to prevent this. In the case of timing-critical applications, > the user is at a loss, and thus there can be no determinism in that > environment. I am looking to see how well gcj can perform as an > avenue for real time deterministic java applications. Well, you have the source. The boehm gc, which gcj uses, isn't really designed as a real-time gc. However, you don't have to use the Boehm gc. Andrew.
