Only talk to girls vid chat - Validating memory
Therefore, your test results might not apply to the next generation of that same hardware, which in turn might result in your code breaking horribly.
One of the difficulties with atomic instructions and especially with memory barriers is that the documentation for the underlying machine instructions can be a bit difficult to understand.
It is not hard to work around obtuse documentation for arithmetic instructions: Simply test them.
I suspect you built the ppcmem curses UI but not the web interface?
Some of the most obscure corners of the Linux kernel are those employing the dark arts of atomic instructions and memory barriers.