Parallel Thread Execution

Parallel Thread Execution (PTX or NVPTX) is a low-level parallel thread execution virtual machine and instruction set architecture used in Nvidia's Compute Unified Device Architecture (CUDA) programming environment. The LLVM-based Nvidia CUDA Compiler (NVCC) translates code written in OpenCL C and CUDA C/C++ into PTX instructions (an IL), and the graphics driver contains a compiler which translates PTX instructions into executable binary code, which can run on the processing cores of Nvidia graphics processing units (GPUs).

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