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Implementation of the forward and backward passes in Halide. The schedule is created using Halide's auto scheduler.
Apart from this, the PR also vectorises the addition post processing function when AVX is present.
To use Halide for example in a forward pass, one would have to first call the singleton
HalideMulFactoryto obtain the operation asconst HalideMulForward &mul = HalideMulFactory::getInstance().getHalideMulForward(ip, op, groups, false);and then call the multiplication function as
mul.execute(input_features.data<T>(), d_output_features.data<T>(), &r[0], w.data<T>(), dw.data<T>(), d_input_rows.data<T>(), nActive);to exectute the desired matrix multiplication.