Changes

Low memcpy/compute overlap is related to the Concurrent Kernel Execution. In theory, you can pass chunks of the input array asynchronously into each kernel in the array. However, it seems to be hard to partition the inout data in any meaningful way.

==== Switching to x86 from x64 ====

Although the result of the program did not change, the console showed this warning massage:

==4500== Warning: Unified Memory Profiling is not supported on the underlying platform. System requirements for unified memory can be found at: http://docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#um-requirements