many improvements to CUDA densemat computations: created fast versions for non-scattered densemats, use GOTO macros everywhere, added instrumentation regions
many improvements to CUDA densemat computations: created fast versions for non-scattered densemats, use GOTO macros everywhere, added instrumentation regions

RRZE-HPC/GHOST,RRZE-HPC/GHOST,RRZE-HPC/GHOST,RRZE-HPC/GHOST