Precompile version: > git clone https://github.com/halide/Halide.git > cd Halide > curl -L -O http://llvm.org/releases/3.7.0/clang+llvm-3.7.0-x86_64-apple-darwin.tar.xz > tar zxf clang+llvm-3.7.0-x86_64-apple-darwin.tar.xz > export LLVM_CO…

x = PReLU()(x) This type of description does not work for variable input image size. Please use the below code instead. x = PReLU(shared_axes=[1,2])(x)