text:                     memcpy_s(&m_featuresBufferMultiIO[id].get()[(k * m_numSeqsPerMB + channelIndex) * dim], sizeof(ElemType) * dim, &m_featuresBufferMultiUtt[sourceChannelIndex].get()[j * dim + m_featuresStartIndexMultiUtt[id + sourceChannelIndex * numOfFea]], sizeof(ElemType) * dim);
  