The GPU Computing SDK includes 100+ code samples, utilities, whitepapers, and additional documentation to help you get started developing, porting, and optimizing your applications for the CUDA architecture. You can get quick access to many of the SDK resources on this page, SDK documentation, or download the complete SDK.
Please note that you may need to install the latest NVIDIA drivers and CUDA Toolkit to compile and run the code samples.
Refer to the SDK release notes for more information.
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OpenCL Multi Threads
This sample shows the implementation of multi-threaded heterogeneous computing workloads with tight cooperation between CPU and GPU. The new OpenCL 1.1 features user events, thread-safe API calls and event callbacks are utilized. |
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Download - Windows (x86) |
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Using Inline PTX with OpenCL
A simple test application that demonstrates a new CUDA 4.0 driver ability to embed PTX in a OpenCL kernel. |
or later
Download - Windows (x86) |
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OpenCL Marching Cubes Isosurfaces
This sample extracts a geometric isosurface from a volume dataset using the marching cubes algorithm. It uses the scan (prefix sum) function from the oclScan SDK sample to perform stream compaction. |
or later
Download - Windows (x86) |
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OpenCL Tridiagonal
Efficient matrix solvers for large number of small independent tridiagonal linear systems. OpenCL implementation of 3 different solvers: Parallel Cyclic Reduction, Cyclic Reduction, Sweep (Gauss elimination + reordering optimization for full coalescing). |
or later
Download - Windows (x86) |
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OpenCL Device Query
This sample enumerates the properties of the OpenCL devices present in the system. |
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Download - Windows (x86) |
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OpenCL Bandwidth Test
This is a simple test program to measure the memcopy bandwidth of the GPU. It currently is capable of measuring device to device copy bandwidth, host to device and host to device copy bandwidth for pageable and page-locked memory, memory mapped and direct access. |
or later
Download - Windows (x86) |
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OpenCL Vector Addition
Element by element addition of two 1-dimensional arrays. Implemented in OpenCL for CUDA GPU's, with functional comparison against a simple C++ host CPU implementation. |
or later
Download - Windows (x86) |
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OpenCL Dot Product
Dot Product (scalar product) of set of input vector pairs. Implemented in OpenCL for CUDA GPU's, with functional comparison against a simple C++ host CPU implementation. |
or later
Download - Windows (x86) |
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OpenCL Matrix Vector Multiplication
Simple matrix-vector multiplication example showing increasingly optimized implementations. |
or later
Download - Windows (x86) |
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OpenCL Overlapped Copy/Compute Sample
Element by element hypotenuse for two 1-dimensional arrays. Implemented in OpenCL for CUDA GPU's, with functional comparison against a simple C++ host CPU implementation. Demonstrates overlapped copy/compute in 2 command queues |
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Download - Windows (x86) |
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OpenCL Simple Multi-GPU
This application demonstrates how to make use of multiple GPUs in OpenCL. |
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Download - Windows (x86) |
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OpenCL Simple OpenGL Interop
Simple program which demonstrates interoperability between OpenCL and OpenGL. The program modifies vertex positions with OpenCL and uses OpenGL to render the geometry. |
or later
Download - Windows (x86) |
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Simple OpenCL D3D10 Texture
Simple program which demonstrates Direct3D10 texture interoperability with OpenCL. The program creates a number of D3D10 textures (2D, 3D, and CubeMap) which are written to from OpenCL kernels. Direct3D then renders the results on the screen. |
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Simple OpenCL D3D9 Texture
Simple program which demonstrates Direct3D9 texture interoperability with OpenCL. The program creates a number of D3D9 textures (2D, 3D, and CubeMap) which are written to from OpenCL kernels. Direct3D then renders the results on the screen. |
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OpenCL Scan
This example demonstrates an efficient OpenCL implementation of parallel prefix sum, also known as "scan". Given an array of numbers, scan computes a new array in which each element is the sum of all the elements before it in the input array. |
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Download - Windows (x86) |
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OpenCL Parallel Reduction
A parallel sum reduction that computes the sum of large arrays of values. This sample demonstrates several important optimization strategies for parallel algorithms like reduction. |
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Download - Windows (x86) |
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OpenCL Matrix Transpose
Efficient matrix transpose. |
or later
Download - Windows (x86) |
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OpenCL Matrix Multiplication
This sample implements matrix multiplication and is exactly the same as Chapter 6 of the programming guide. It has been written for clarity of exposition to illustrate various OpenCL programming principles, not with the goal of providing the most performant generic kernel for matrix multiplication. CUBLAS provides high-performance matrix multiplication. |
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Download - Windows (x86) |
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OpenCL 3D FDTD
This sample applies a finite differences time domain progression stencil on a 3D surface. |
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Download - Windows (x86) |
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OpenCL DCT 8x8
This sample demonstrates how Discrete Cosine Transform (DCT) for 8x8 blocks can be implemented in OpenCL. |
or later
Download - Windows (x86) |
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OpenCL DirectX Texture Compressor (DXTC)
High Quality DXT Compression using OpenCL. This example shows how to implement an existing computationally-intensive CPU compression algorithm in parallel on the GPU, and obtain an order of magnitude performance improvement. |
or later
Download - Windows (x86) |
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OpenCL Radix Sort
This sample demonstrates a very fast and efficient parallel radix sort implemented in OpenCL for CUDA GPUs. |
or later
Download - Windows (x86) |
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OpenCL Sorting Networks
This sample implements bitonic sort algorithm for batches of short arrays |
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Download - Windows (x86) |
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OpenCL Black-Scholes Option Pricing
This sample evaluates fair call and put prices for a given set of European options by Black-Scholes formula. |
or later
Download - Windows (x86) |
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OpenCL Hidden Markov Model
This sample implements a Hidden Markov Model in OpenCL for the GPU. |
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Download - Windows (x86) |
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OpenCL Quasirandom Generator
This sample implements Niederreiter quasirandom number generator and Moro's Inverse Cumulative Normal Distribution generator. |
or later
Download - Windows (x86) |
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OpenCL Mersenne Twister
This sample implements Mersenne Twister random number generator and Cartesian Box-Muller transformation on the GPU. |
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Download - Windows (x86) |
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OpenCL 64-bin and 256-bin Histogram
This sample demonstrates efficient implementation of 64-bin and 256-bin histograms. |
or later
Download - Windows (x86) |
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OpenCL Post-Process OpenGL-Rendered Image
This sample shows how to post-process an image rendered in OpenGL using OpenCL. |
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Download - Windows (x86) |
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OpenCL Simple Texture 3D
Simple example that demonstrates use of 3D textures in OpenCL. |
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Download - Windows (x86) |
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OpenCL Box Filter
Linear 2-dimensional variable-width Box Filter of RGBA image. Implemented in OpenCL for CUDA GPU's, with performance comparison against simple C++ on host CPU. Each of the R, G, B and A channels are treated independently with results computed concurrently for each. |
or later
Download - Windows (x86) |
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OpenCL Sobel Filter
2-dimensional 3x3 Sobel Magnitude Filter of RGBA image. Implemented in OpenCL for CUDA GPU's, with performance comparison against simple C++ on host CPU. Gradient magnitude for each of the R, G & B channels is computed concurrently and independently, then combined into a single gradient intensity with linear weighting factors. |
or later
Download - Windows (x86) |
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OpenCL Median Filter
Multi-GPU enabled, 2-dimensional 3x3 Median Filter of RGBA image. Implemented in OpenCL for CUDA GPU's, with performance comparison against simple C++ on host CPU. Each of the R, G & B channels are treated independently with results computed concurrently for each. |
or later
Download - Windows (x86) |
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OpenCL Separable Convolution
This sample implements convolution filter of a 2D image with arbitrary separable kernel. |
or later
Download - Windows (x86) |
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OpenCL Recursive Gaussian Filter
2-dimensional Gaussian Blur Filter of RGBA image using IRF method. Implemented in OpenCL for CUDA GPU's, with performance comparison against simple C++ on host CPU. Each of the R, G, B and A channels are treated independently with results computed concurrently for each. |
or later
Download - Windows (x86) |
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OpenCL Volume rendering
This sample demonstrates basic volume rendering using 3D textures. |
or later
Download - Windows (x86) |
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OpenCL Particle Collision Simulation
Simulation of elastic collisions of a large # of bodies. Implemented in OpenCL for CUDA GPU's. |
or later
Download - Windows (x86) |
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OpenCL N-Body Physics Simulation
Gravitational Simulation of a large # of bodies. Implemented in OpenCL for CUDA GPU's. |
or later
Download - Windows (x86) |