public void BackwardData(CudnnFilterDescriptor filter, double[] filterData, CudnnTensorDescriptor diffTensor, double[] diffData, CudnnConvolutionDescriptor convolution, CudnnTensorDescriptor gradient, double[] gradientData, CudnnAccumulateResult accumulate)
        {
            Contract.Requires(filter != null);
            Contract.Requires(filterData != null);
            Contract.Requires(diffTensor != null);
            Contract.Requires(diffData != null);
            Contract.Requires(convolution != null);
            Contract.Requires(gradient != null);
            Contract.Requires(gradientData != null);

            ThrowIfNotInitialized();
            CheckIfCompatible(CudnnType.Double, filter, diffTensor, gradient);

            using (var filterDataGpu = new CudaDeviceVariable <double>(filterData.Length))
                using (var diffDataGpu = new CudaDeviceVariable <double>(diffData.Length))
                    using (var gradientDataGpu = new CudaDeviceVariable <double>(gradientData.Length))
                    {
                        filterDataGpu.CopyToDevice(filterData);
                        diffDataGpu.CopyToDevice(diffData);

                        Invoke(() => CudnnNativeMethods.cudnnConvolutionBackwardData(handle, filter.Handle, filterDataGpu.DevicePointer, diffTensor.Handle, diffDataGpu.DevicePointer, convolution.Handle, gradient.Handle, gradientDataGpu.DevicePointer, accumulate));

                        gradientDataGpu.CopyToHost(gradientData);
                    }
        }
        public void BackwardData(CudnnFilterDescriptor filter, CudaDeviceVariable <double> filterData, CudnnTensorDescriptor diffTensor, CudaDeviceVariable <double> diffData, CudnnConvolutionDescriptor convolution, CudnnTensorDescriptor gradient, CudaDeviceVariable <double> gradientData, CudnnAccumulateResult accumulate)
        {
            Contract.Requires(filter != null);
            Contract.Requires(filterData != null);
            Contract.Requires(diffTensor != null);
            Contract.Requires(diffData != null);
            Contract.Requires(convolution != null);
            Contract.Requires(gradient != null);
            Contract.Requires(gradientData != null);

            ThrowIfNotInitialized();
            CheckIfCompatible(CudnnType.Double, filter, diffTensor, gradient);

            Invoke(() => CudnnNativeMethods.cudnnConvolutionBackwardData(handle, filter.Handle, filterData.DevicePointer, diffTensor.Handle, diffData.DevicePointer, convolution.Handle, gradient.Handle, gradientData.DevicePointer, accumulate));
        }
        public void BackwardData(CudnnFilterDescriptor filter, CudaDeviceVariable<float> filterData, CudnnTensorDescriptor diffTensor, CudaDeviceVariable<float> diffData, CudnnConvolutionDescriptor convolution, CudnnTensorDescriptor gradient, CudaDeviceVariable<float> gradientData, CudnnAccumulateResult accumulate)
        {
            Contract.Requires(filter != null);
            Contract.Requires(filterData != null);
            Contract.Requires(diffTensor != null);
            Contract.Requires(diffData != null);
            Contract.Requires(convolution != null);
            Contract.Requires(gradient != null);
            Contract.Requires(gradientData != null);

            ThrowIfNotInitialized();
            CheckIfCompatible(CudnnType.Float, filter, diffTensor, gradient);

            Invoke(() => CudnnNativeMethods.cudnnConvolutionBackwardData(handle, filter.Handle, filterData.DevicePointer, diffTensor.Handle, diffData.DevicePointer, convolution.Handle, gradient.Handle, gradientData.DevicePointer, accumulate));
        }
Esempio n. 4
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        public CudnnConvolutionDescriptorParameters(CudnnConvolutionMode mode, CudnnTensorDescriptor tensor, CudnnFilterDescriptor filter,
                                                    int paddingHeight, int paddingWidth,
                                                    int verticalStride, int horizontalStride,
                                                    int upscaleVertical = 1, int upscaleHorizontal = 1)
        {
            if (tensor == null)
            {
                throw new ArgumentNullException("tensor");
            }

            if (filter == null)
            {
                throw new ArgumentNullException("tensor");
            }

            if (upscaleVertical != 1 || upscaleHorizontal != 1)
            {
                throw new NotSupportedException("The parameter upscaleVertical or upscaleHorizontal is not 1");
            }

            if (verticalStride < 1 || horizontalStride < 1)
            {
                throw new ArgumentException("One of the parameters verticalStride or horizontalStride is negative.");
            }

            if (tensor.Parameters.Type != filter.Parameters.Type)
            {
                throw new ArgumentException("The Type of the tensor and filter descriptors differ or have invalid values.");
            }

            if (filter.Parameters.Input != tensor.Parameters.Channels)
            {
                throw new ArgumentException("The number of feature maps of the tensor descriptor and the number of input feature maps of the filter differ.");
            }

            Contract.EndContractBlock();

            this.Mode   = mode;
            this.Tensor = tensor;
            this.Filter = filter;

            this.HeightPadding = paddingHeight;
            this.WidthPadding  = paddingWidth;
            this.HeightStride  = verticalStride;
            this.WidthStride   = horizontalStride;
            this.HeightUpscale = upscaleVertical;
            this.WidthUpscale  = upscaleHorizontal;
        }
        public void Forward(CudnnTensorDescriptor srcTensor, double[] srcData, CudnnFilterDescriptor filter, double[] filterData, CudnnConvolutionDescriptor convolution, CudnnTensorDescriptor destTensor, double[] destData, CudnnAccumulateResult accumulate)
        {
            Contract.Requires(srcTensor != null);
            Contract.Requires(srcData != null);
            Contract.Requires(filter != null);
            Contract.Requires(filterData != null);
            Contract.Requires(convolution != null);
            Contract.Requires(destTensor != null);
            Contract.Requires(destData != null);

            ThrowIfNotInitialized();
            CheckIfCompatible(CudnnType.Double, srcTensor, destTensor, filter);

            using (var srcDataGpu = new CudaDeviceVariable <double>(srcData.Length))
                using (var filterDataGpu = new CudaDeviceVariable <double>(filterData.Length))
                    using (var destDataGpu = new CudaDeviceVariable <double>(destData.Length))
                    {
                        srcDataGpu.CopyToDevice(srcData);
                        filterDataGpu.CopyToDevice(filterData);

                        Invoke(() => CudnnNativeMethods.cudnnConvolutionForward(handle, srcTensor.Handle, srcDataGpu.DevicePointer, filter.Handle, filterDataGpu.DevicePointer, convolution.Handle, destTensor.Handle, destDataGpu.DevicePointer, accumulate));
                        destDataGpu.CopyToHost(destData);
                    }
        }
        public void Forward(CudnnTensorDescriptor srcTensor, CudaDeviceVariable <double> srcData, CudnnFilterDescriptor filter, CudaDeviceVariable <double> filterData, CudnnConvolutionDescriptor convolution, CudnnTensorDescriptor destTensor, CudaDeviceVariable <double> destData, CudnnAccumulateResult accumulate)
        {
            Contract.Requires(srcTensor != null);
            Contract.Requires(srcData != null);
            Contract.Requires(filter != null);
            Contract.Requires(filterData != null);
            Contract.Requires(convolution != null);
            Contract.Requires(destTensor != null);
            Contract.Requires(destData != null);

            ThrowIfNotInitialized();
            CheckIfCompatible(CudnnType.Double, srcTensor, destTensor, filter);

            Invoke(() => CudnnNativeMethods.cudnnConvolutionForward(handle, srcTensor.Handle, srcData.DevicePointer, filter.Handle, filterData.DevicePointer, convolution.Handle, destTensor.Handle, destData.DevicePointer, accumulate));
        }
        public void Forward(CudnnTensorDescriptor srcTensor, double[] srcData, CudnnFilterDescriptor filter, double[] filterData, CudnnConvolutionDescriptor convolution, CudnnTensorDescriptor destTensor, double[] destData, CudnnAccumulateResult accumulate)
        {
            Contract.Requires(srcTensor != null);
            Contract.Requires(srcData != null);
            Contract.Requires(filter != null);
            Contract.Requires(filterData != null);
            Contract.Requires(convolution != null);
            Contract.Requires(destTensor != null);
            Contract.Requires(destData != null);

            ThrowIfNotInitialized();
            CheckIfCompatible(CudnnType.Double, srcTensor, destTensor, filter);

            using (var srcDataGpu = new CudaDeviceVariable<double>(srcData.Length))
            using (var filterDataGpu = new CudaDeviceVariable<double>(filterData.Length))
            using (var destDataGpu = new CudaDeviceVariable<double>(destData.Length))
            {
                srcDataGpu.CopyToDevice(srcData);
                filterDataGpu.CopyToDevice(filterData);

                Invoke(() => CudnnNativeMethods.cudnnConvolutionForward(handle, srcTensor.Handle, srcDataGpu.DevicePointer, filter.Handle, filterDataGpu.DevicePointer, convolution.Handle, destTensor.Handle, destDataGpu.DevicePointer, accumulate));
                destDataGpu.CopyToHost(destData);
            }
        }
        public void Forward(CudnnTensorDescriptor srcTensor, CudaDeviceVariable<double> srcData, CudnnFilterDescriptor filter, CudaDeviceVariable<double> filterData, CudnnConvolutionDescriptor convolution, CudnnTensorDescriptor destTensor, CudaDeviceVariable<double> destData, CudnnAccumulateResult accumulate)
        {
            Contract.Requires(srcTensor != null);
            Contract.Requires(srcData != null);
            Contract.Requires(filter != null);
            Contract.Requires(filterData != null);
            Contract.Requires(convolution != null);
            Contract.Requires(destTensor != null);
            Contract.Requires(destData != null);

            ThrowIfNotInitialized();
            CheckIfCompatible(CudnnType.Double, srcTensor, destTensor, filter);

            Invoke(() => CudnnNativeMethods.cudnnConvolutionForward(handle, srcTensor.Handle, srcData.DevicePointer, filter.Handle, filterData.DevicePointer, convolution.Handle, destTensor.Handle, destData.DevicePointer, accumulate));
        }
        public void BackwardFilter(CudnnTensorDescriptor srcTensor, double[] srcData, CudnnTensorDescriptor diffTensor, double[] diffData, CudnnConvolutionDescriptor convolution, CudnnFilterDescriptor gradient, double[] gradientData, CudnnAccumulateResult accumulate)
        {
            Contract.Requires(srcTensor != null);
            Contract.Requires(srcData != null);
            Contract.Requires(diffTensor != null);
            Contract.Requires(diffData != null);
            Contract.Requires(convolution != null);
            Contract.Requires(gradient != null);
            Contract.Requires(gradientData != null);

            ThrowIfNotInitialized();
            CheckIfCompatible(CudnnType.Double, srcTensor, diffTensor, gradient);

            using (var srcDataGpu = new CudaDeviceVariable<double>(srcData.Length))
            using (var diffDataGpu = new CudaDeviceVariable<double>(diffData.Length))
            using (var gradientDataGpu = new CudaDeviceVariable<double>(gradientData.Length))
            {
                srcDataGpu.CopyToDevice(srcData);
                diffDataGpu.CopyToDevice(diffData);

                Invoke(() => CudnnNativeMethods.cudnnConvolutionBackwardFilter(handle, srcTensor.Handle, srcDataGpu.DevicePointer, diffTensor.Handle, diffDataGpu.DevicePointer, convolution.Handle, gradient.Handle, gradientDataGpu.DevicePointer, accumulate));
                gradientDataGpu.CopyToHost(gradientData);
            }
        }
        public CudnnConvolutionDescriptorParameters(CudnnConvolutionMode mode, CudnnTensorDescriptor tensor, CudnnFilterDescriptor filter, 
                                                    int paddingHeight, int paddingWidth,
                                                    int verticalStride, int horizontalStride,
                                                    int upscaleVertical = 1, int upscaleHorizontal = 1)
        {
            if (tensor == null)
                throw new ArgumentNullException("tensor");

            if (filter == null)
                throw new ArgumentNullException("tensor");

            if (upscaleVertical != 1 || upscaleHorizontal != 1)
                throw new NotSupportedException("The parameter upscaleVertical or upscaleHorizontal is not 1");

            if (verticalStride < 1 || horizontalStride < 1)
                throw new ArgumentException("One of the parameters verticalStride or horizontalStride is negative.");

            if (tensor.Parameters.Type != filter.Parameters.Type)
                throw new ArgumentException("The Type of the tensor and filter descriptors differ or have invalid values.");

            if (filter.Parameters.Input != tensor.Parameters.Channels)
                throw new ArgumentException("The number of feature maps of the tensor descriptor and the number of input feature maps of the filter differ.");

            Contract.EndContractBlock();

            this.Mode = mode;
            this.Tensor = tensor;
            this.Filter = filter;

            this.HeightPadding = paddingHeight;
            this.WidthPadding = paddingWidth;
            this.HeightStride = verticalStride;
            this.WidthStride = horizontalStride;
            this.HeightUpscale = upscaleVertical;
            this.WidthUpscale = upscaleHorizontal;
        }