Merge branch 'approx_hpvm_reorg' into onnx_frontend

hpvm/lib/Transforms/DFG2LLVM_CPU/DFG2LLVM_CPU.cpp

hpvm/lib/Transforms/DFG2LLVM_CUDNN/DFG2LLVM_CUDNN.cpp

...ib/Transforms/DFG2LLVM_WrapperAPI/DFG2LLVM_WrapperAPI.cpp

...ib/Transforms/FuseHPVMTensorNodes/FuseHPVMTensorNodes.cpp

hpvm/projects/hpvm-rt/CMakeLists.txt

hpvm/projects/hpvm-tensor-rt/CMakeLists.txt

...pvm-tensor-rt/tensor_runtime/include/tensor_cpu_runtime.h

...pvm-tensor-rt/tensor_runtime/include/tensor_signatures.cc

...ts/hpvm-tensor-rt/tensor_runtime/src/approx_simulation.cu

...ts/hpvm-tensor-rt/tensor_runtime/src/approx_techniques.cu

...jects/hpvm-tensor-rt/tensor_runtime/src/configuration.cpp

hpvm/projects/hpvm-tensor-rt/tensor_runtime/src/fp16_gemm.cu

.../projects/hpvm-tensor-rt/tensor_runtime/src/group_conv.cu

...s/hpvm-tensor-rt/tensor_runtime/src/half_precision_api.cu

.../hpvm-tensor-rt/tensor_runtime/src/hpvm-rt-controller.cpp

hpvm/projects/hpvm-tensor-rt/tensor_runtime/src/profiling.cc

...rojects/hpvm-tensor-rt/tensor_runtime/src/tensor_utils.cu

...ects/hpvm-tensor-rt/tensor_runtime/src/wrapper_runtime.cu

hpvm/scripts/download_weights.sh

hpvm/scripts/llvm_installer.sh