c857fa27d7
- Add MNN_FORWARD_MUSA forward type in MNNForwardType.h - Implement MUSA backend core framework (MusaBackend.hpp/cpp) - Implement MUSA runtime wrapper (MusaRuntime.hpp/cpp) - Add MUSA backend registration (Register.cpp) - Add CMakeLists.txt for MUSA backend build configuration - Implement basic operators: - UnaryExecution (ReLU, Sigmoid, TanH, etc.) - BinaryExecution (Add, Sub, Mul, Div, etc.) - SoftmaxExecution - PoolExecution (MaxPool, AvgPool) - Update main CMakeLists.txt to include MUSA backend option (MNN_MUSA) This enables MNN to run on Moore Threads GPUs using the MUSA platform. Co-authored-by: dong.yang <hiyangdong@hotmail.com>