rocm-systems/samples/1_Utils/hipCommander/perf/latency_nosync.hcm

setstream,1;
NullKernel; streamsync;
loop,100000; NullKernel; streamsync; endloop,1;
loop,100000; H2D;  NullKernel; streamsync; endloop,1;
loop,100000; H2D;  NullKernel; D2H;  streamsync; endloop,1;