MPI Debug

In a previous post, Debug an MPI code with GDB and Xterm, I mentioned the awkwardness of using xterm. Fortunately, Arno Mayrhofer introduced tmpi, a clever idea that leverages tmux for MPI debugging. [Read More]

If you cannot debug your code with a single process, you eventually have to deal with multiple MPI processes. [Read More]

It may feel counterintuitive to debug an MPI program using a single process, yet this is often the very first approach you should take. [Read More]

I will be attending the US-RSE’25 conference in Philadelphia, PA, from October 6–8, 2025. I look forward to connecting with fellow research software engineers as well as current and past BSSw fellows. [Read More]

What, debug with printf? Yes, though it is so basic, it works if you only want to check some variables or want to see if a specific execution path is taken. It doesn’t need any tool support, is independent of compiler flags, can be local or remote, and works with... [Read More]