compute-sanitizer: functional correctness checking suite for CUDA programs

Available

Puhti: 2022.2.0
Mahti: 2021.3.0

Usage

compute-sanitizer is a functional correctness checking suite included in the CUDA toolkit (starting from version 11). In order to use the tool, the CUDA code has to be compiled with the extra flags -g and -G.

Debugging is started in an interactive session by running:

compute-sanitizer  --tool <tool> ./cuda_program

where <tool> is one of the several sub-tools for different type of checks:

• memcheck: is capable of precisely detecting and attributing out of bounds and misaligned memory access errors in CUDA applications. It can also report hardware exceptions encountered by the GPU (default)

• racecheck: can report shared memory data access hazards that can cause data races.

• initcheck: can report cases where the GPU performs uninitialized accesses to global memory

• synccheck: can report cases where the application is attempting invalid usages of synchronization primitives

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