ctalkeb on 27 October 2009
According to the lead graphic programmer at ND, "a lot" of the systems currently running on the SPEs are written in C++ and they can get "much higher" performance by rewriting in assembly. They're also currently working on improving performance on the RSX.
Sauce: http://www.dagbladet.no/2009/10/14/kultur/spill/uncharted_2/playstation_3/8570358/
^In Norwegian, so it might not be much use.
