public void SpatialBatchNormalizationBackward()
        {
            BatchNormalizationLayerBase
                cpu = new BatchNormalizationLayer(TensorInfo.Volume(12, 12, 13), NormalizationMode.Spatial, ActivationType.ReLU),
                gpu = new CuDnnBatchNormalizationLayer(cpu.InputInfo, NormalizationMode.Spatial, cpu.Weights, cpu.Biases, cpu.Iteration, cpu.Mu.AsSpan().ToArray(), cpu.Sigma2.AsSpan().ToArray(), cpu.ActivationType);

            TestBackward(cpu, gpu, 400);
        }
        public void PerActivationBatchNormalizationBackward()
        {
            BatchNormalizationLayerBase
                cpu = new BatchNormalizationLayer(TensorInfo.Linear(250), NormalizationMode.PerActivation, ActivationType.ReLU),
                gpu = new CuDnnBatchNormalizationLayer(cpu.InputInfo, NormalizationMode.PerActivation, cpu.Weights, cpu.Biases, cpu.Iteration, cpu.Mu.AsSpan().ToArray(), cpu.Sigma2.AsSpan().ToArray(), cpu.ActivationType);

            TestBackward(cpu, gpu, 400);
        }