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Vectorize inner loop of get_tiles and out_transform with SIMD #3

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I'm ICC compiler TCE. I tried to add omp simd to vectorize the inner loop in get_tiles and out_transform functions which is much more effective than current partial auto-vectorization. Measured the overall performance can improve 10% by this. It also makes layer 3 perform better over MKL DNN.

Add omp simd to vectorize the inner loop in get_tiles and out_transform functions which is more effective than current partial auto-vectorization. Measured the overall performance can improve 10% by this. It also makes layer 3 perform better over MKL DNN.
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