When searching for a good, clean working example other than perhaps writing out a "Hello World" string to the console in Netwide Assembler (NASM) for standard x86 architecture...
Tim Mattson (Intel) has authored an extensive series of excellent videos as in introduction to OpenMP*.
I have unintentionally raised a large debate recently concerning the question if it is legal in C/C++ to use the &P->m_foo expression with P being a null pointer.
My current gig is mostly about performance. I manage a group of software engineers dedicated to the languages becoming really important to the cloud and the datacenter.