NVIDIA GPU debugging

Linaro DDT supports a number of compilers that target NVIDIA GPU devices:

• NVIDIA’s CUDA Compiler

• Cray Compiler

• NVIDIA HPC SDK Compiler

See NVIDIA GPU Language Support, and your vendor’s own documentation.

From CUDA 13.0 onward CUDA GPU Debugging requires cuda-gdb to be available in your environment.

• CUDA licensing
• Prepare to debug CUDA GPU code
• Launch the program
• NVIDIA GPU Breakpoints
• Open CUDA core files
• Known issues and limitations
  • Environment
  • Limitations with system cuda-gdb
  • Debug multiple NVIDIA GPU processes
  • Thread control
  • Detect invalid accesses (memcheck)
  • Notes and Limitations
    • OpenACC Target Offload
    • OpenMP Target Offload