I've tried a small test using the parallel for openmp pragma. The test compiles but the performance looks similar to a serial version. Also, the compiler complains when I use omp_set_num_threads and omp_get_num_threads. Is there a flag I need to use when compiling? Tom On Thu, 1 Jun 2006, Tim Prince wrote: > Thomas Yeh wrote: > > Hi All, > > > > According to the gcc news, gcc 4.X seems to support openMP. Can anyone > > point me to the libraries I need for both tru64 linux and x86 linux? > > > > Maybe I don't understand your question. Inclusion of OpenMP in gcc-4.1 > isn't going to affect gcc-4.0. Unless someone has tested gcc 4.1 on > tru64, that part of the question seems moot. > On linux (32 bit?), reading the gcc build instructions should give you > some clue about library updates which may be required on top of a > reasonably current distro with gcc development components installed. > For example, gmp with mpfr enabled would be needed for a full > installation of gcc-4.1. That might be there already if your distro > includes gcc-4.0. >