SA Sachin Tolay · CodeToDeploy Cache Coherence: How the MESI Protocol Keeps Multi-Core CPUs Consistent Modern multi-core CPUs depend on caches to accelerate memory access and improve performance. However, when multiple cores cache the same…
SPT AI SA Sachin Tolay · Level Up Coding Traditional IO vs mmap vs Direct IO: How Disk Access Really Works In our earlier deep dive into Direct Memory Access (DMA), we explored how data can bypass the CPU to move efficiently between storage and…
SA Sachin Tolay · Level Up Coding Superscalar vs SIMD vs Multicore: Understanding Modern CPU Parallelism For many years, improving CPU performance meant increasing clock speed → allowing more cycles per second. But today, we’ve reached…