setstream(1);
loop(10); NullKernel; H2D; streamsync; endloop(1);
loop(10); NullKernel; H2D; streamsync; endloop(1);
loop(100); NullKernel; H2D; streamsync; endloop(1);
loop(100); NullKernel; H2D; streamsync; endloop(1);
loop(1000); NullKernel; H2D; streamsync; endloop(1);
loop(1000); NullKernel; H2D; streamsync; endloop(1);
loop(10000); NullKernel; H2D; streamsync; endloop(1);
loop(10000); NullKernel; H2D; streamsync; endloop(1);