Request for doc update in CUDA runtime API

Since It’s unclear how bug reporting works with Nvidia these days I will post this here…

The runtime API documentation ( could be more clear WRT to cudaMemcpy2DToArrayAsync.

The documenation does not clearly state that any potential wOffset (column offset) should be the number of bytes and not the number of elements:

Compare this to cudaMemcpy2DAsync where it is clearly stated in the text:


bug reporting works by filing a bug at

not by posting here

Thanks Robert, I did find it under my account. How very nice of Nvidia to provide this. :-)

A “bug report” has been filed.