Yunqing Wang f9404f2406 Revert "Revert "SSSE3 convolution optimization""
This reverts commit b645257121da20b422dbbebf02aae0fc6dff95d4.

Change-Id: I60d1bf57ae8e9eb6127f42f2d5a780124ac51b45
2014-01-13 12:29:55 -08:00
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