Low-level parallel thread execution virtual machine and instruction set architecture
Also known as PTX
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Parallel Thread Execution 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, 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). Inline PTX assembly can be used in CUDA and OpenCL.