CUDA 1.0 ( C for NVidia GPUs) now documents the PTX assembly language.

http://www.behardware.com/articles/6...ical-uses.html
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The CUDA Developer SDK provides examples with source code to help you get started with CUDA.

Examples include:

Parallel bitonic sort

Matrix multiplication

Matrix transpose

Performance profiling using timers

Parallel prefix sum (scan) of large arrays

Image convolution

1D DWT using Haar wavelet <-- is this like what Prime95 uses ?

OpenGL and Direct3D graphics interoperation examples

CUDA BLAS and FFT library usage examples

CPU-GPU C and C++ code integration

http://developer.nvidia.com/object/cuda.html
NVidia is also releasing a Tesla line of GPU cards,

calculation accelerators without video connections.

The base model C870 has 1.5 GB memory and a price to match $1299.

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Correction: The G92 GPU will be in the GeForce 9800 cards.