Posts

Why does the order of fields in a C++ struct change its size? A walkthrough of data alignment, padding, and how to reorder members to shrink your structs.

free is the standard Linux command for inspecting RAM usage. A walkthrough of its flags and how cached and buffered memory factor into the numbers it reports.

An introductory tour of OpenMP — programming model, fork-join execution, parallel constructs, and clauses — based on LLNL’s OpenMP exercises and NAG training notes.

My personal checklist for setting up a fresh dev box — shell (zsh + oh-my-zsh), Vim, and tmux configuration that I keep coming back to.

A short note on using NTP to keep cluster nodes in time-sync, prompted by a build that broke when an NFS master and worker disagreed about the current time.

Function pointers and lambdas are two ways to treat functions as values. This post explains both, how they relate, and when to use each.