GPU Kernel Engineering: Why C = A + B Is Not Enough (Series Part 2)
GPU kernel engineering explained: thread indexing, launch configuration, coalescing, divergence, and why a naive C = A + B kernel starves on memory.
Postgres 19 REPACK vs pg_repack vs VACUUM FULL: Online Table Maintenance Compared
Postgres 19 brings REPACK into core. How it compares to pg_repack and VACUUM FULL on locking, disk headroom, and failure recovery - plus what got cut from 19.
Continuous Profiling with eBPF: Flamegraphs in Prod
A hands-on guide to continuous profiling with eBPF: how Pyroscope and Parca capture CPU and memory flamegraphs in production with near-zero overhead.