libc for GPUs

Note

This feature is very experimental and may change in the future.

The GPU support for LLVM’s libc project aims to make a subset of the standard C library available on GPU based accelerators. Navigate using the links below to learn more about this project.

• Building libs for GPUs
  • Building the GPU C library
    • Standard runtimes build
    • Runtimes cross build
    • Standalone cross build
  • Build overview
  • CMake options
• Using libc for GPUs
  • Using the GPU C library
    • Offloading usage
      • OpenMP Offloading example
    • Direct compilation
      • Building for AMDGPU targets
      • Building for NVPTX targets
• Supported Functions
  • ctype.h
  • string.h
  • strings.h
  • stdbit.h
  • stdlib.h
  • inttypes.h
  • stdio.h
  • time.h
  • assert.h
• Remote Procedure Calls
  • Remote Procedure Call Implementation
    • Client Example
    • Server Example
    • CUDA Server Example
    • Extensions
• Testing the GPU C library
  • Testing infrastructure
  • Testing utilities
    • Startup object
    • Loader runtime
  • Running tests
• Motivation and Limitations
  • Motivation
  • Limitations