Switched to direct interface; performance doubled.
Switched to direct interface; performance doubled.

maxhutch/libxsmm,egeor/libxsmm,egeor/libxsmm,hfp/libxsmm,egeor/libxsmm,maxhutch/libxsmm,egeor/libxsmm,hfp/libxsmm,hfp/libxsmm,egeor/libxsmm,hfp/libxsmm,hfp/libxsmm,maxhutch/libxsmm,egeor/libxsmm,maxhutch/libxsmm,hfp/libxsmm