Cache Coherence Demystified: The MESI Protocol on Intel Granite Rapids

Deep dive into cache coherence and the MESI protocol on a 256-core Intel Granite Rapids system: microbenchmarks for ping-pong latency, false sharing, atomic contention, and lock primitives.

March 3, 2026 · 25 min · Sandeep Kumar

Understanding Linux perf: stat and record

What really happens in the kernel when you run perf stat or perf record.

December 4, 2025 · 8 min · Sandeep Kumar

GPU Memory Profiling Tools (NVIDIA and Intel)

A practical guide to observing GPU memory stats on NVIDIA and Intel GPUs (monitors, profilers, and attribution).

February 10, 2026 · 7 min · Sandeep Kumar