cuda_nvtx_init Subroutine

   SUBROUTINE cuda_nvtx_init()
#if defined( __CUDA_PROFILING )
      CHARACTER(len=default_string_length)     :: threadname
      INTEGER                                  :: ithread

!$OMP     PARALLEL DEFAULT (NONE), PRIVATE (ithread,threadname)
      ithread = 0
!$    ithread = OMP_GET_THREAD_NUM()
      WRITE (threadname, "(I3,A,I2,A)") ithread
      CALL cuda_nvtx_name_osthread_cu(TRIM(threadname)//c_null_char)
!$OMP     END PARALLEL
#endif
   END SUBROUTINE cuda_nvtx_init