NVIDIA Compute Sanitizer PR #196 I got the NVIDIA Compute Sanitizer working with Cholla this week to help diagnose any issues in my code or Cholla in general. It found some problems that I think ...

First Paper The paper from my master’s was published this week in Publications of the Astronomical Society of the Pacific, Volume 134, Number 1039: Optical Time-series Photometry of the Symbiotic ...

Arm DDT With help some nice folks at Arm I figured out how to display device arrays in host code, see this post for details. In preparation for presenting on Arm Forge next week I submitted two P...

Debugging GPU Codes with Arm DDT See the Arm Forge User Guide for all the info, this is just a place for some notes and tips Use -g -O0 to compile host code and -g -G -cudart shared to compile...

Arm Forge I spent the week getting Arm Forge setup and working with Cholla. The documentation is pretty easy to follow and it was reasonably easy to setup.

Useful Links & Guides Note that a lot of these links lead to specific companies who are selling testing software or something similar. The guides are still good, they’re just trying to prom...

Intro to Visual Studio Code for C++ and HPC IDE vs. Text Editor vs. “Inline” Text Editor “Inline” Text Editors: vi/vim, emacs, pico/nano. Great for quick edits in the terminal. Extensible...

Intro to Git and GitHub General Structure Setup and Install Creating new repos Repository History & Introspection Git Config & Aliases Committing Workflow & Branching A...

Summary Structured binding is a feature released in C++17 that easily allows a function to return multiple values. This is a quick summary of the various ways to use it, including in a device func...

GitHub Action HIP Builds I ended up spending most of this week trying to get the automated HIP/ROCm builds to work on GitHub Actions. The latest release of ROCm (v5.2.1) seems to have broken some ...