Should I expect TBB to outperform OpenMP and MPI?
No, TBB may offer a competitive alternative but in general TBB exists to help where OpenMP cannot, and to be far easier to program than MPI. With TBB, we’re looking to provide a unique solution that provides acceptable scalability for multi-core platforms. OpenMP and MPI continue to be good choices in High Performance Computing applications; TBB has been designed to be more conducive to application parallelization on client platforms such as laptops and desktops, going beyond data parallelism to be suitable for programs with nested parallelism, irregular parallelism and task parallelism.
