new multithreaded GPU multiply
new multithreaded GPU multiply

codeaudit/BIDMat,phlip9/BIDMat,phlip9/BIDMat,codeaudit/BIDMat,phlip9/BIDMat,phlip9/BIDMat,codeaudit/BIDMat,codeaudit/BIDMat,phlip9/BIDMat,codeaudit/BIDMat