text: template void GPUMatrix<float>::BatchNormalizationBackward(const GPUMatrix<float>& in, GPUMatrix<float>& grad, const GPUMatrix<float>& scale, double blendFactor, const GPUMatrix<float>& saveMean, const GPUMatrix<float>& saveInvStdDev, GPUMatrix<float>& scaleGrad, GPUMatrix<float>& biasGrad) const;
  