CUDA Academy · Lesson

Decoding cudaGetErrorString

Turning codes into readable messages.

Codes Are Not Friendly

A raw cudaError_t is just a number. To understand it, you translate it into plain English with cudaGetErrorString. 📖

cudaGetErrorString takes an error code and returns a human-readable C string describing exactly what went wrong.

const char* msg = cudaGetErrorString(e);