Systems

• Learned Indexes: When Models Replace B‑Trees · 2025-10-04

  A practitioner's guide to learned indexes: how they work, when they beat classic data structures, and what it takes to ship them without getting paged.

• Memory Allocators: From malloc to Modern Arena Allocators · 2023-09-14

  A deep dive into memory allocation strategies, from the classic malloc implementations to modern arena allocators, jemalloc, tcmalloc, and custom allocators that power high-performance systems.

• Floating Point: How Computers Represent Real Numbers · 2023-02-08

  A deep exploration of IEEE 754 floating point representation, the mathematics behind binary fractions, precision limits, and the subtle bugs that can arise when working with real numbers in code.

• CPU Caches and Cache Coherence: The Memory Hierarchy That Makes Modern Computing Fast · 2022-07-12

  A comprehensive exploration of how CPU caches bridge the processor-memory speed gap. Learn about cache architecture, replacement policies, coherence protocols, and how to write cache-friendly code for maximum performance.

• Virtual Memory and Page Tables: How Modern Systems Manage Memory · 2022-05-19

  A comprehensive exploration of virtual memory, page tables, and address translation. Learn how operating systems provide memory isolation, enable overcommitment, and optimize performance with TLBs and huge pages.

• Compiler Optimizations: From Source Code to Fast Machine Code · 2020-09-23

  A deep dive into how modern compilers transform your code into efficient machine code. Explore optimization passes from constant folding to loop vectorization, and learn how to write code that compilers can optimize effectively.

• Speculative Prefetchers: Designing Memory Systems That Read the Future · 2019-02-14

  A field guide to building and validating speculative memory prefetchers that anticipate demand in modern CPUs and data platforms.

• Computer Systems: A Programmer's Perspective (3rd ed.)
• Computer Systems: A Programmer's Perspective (3rd ed.)
• Database System Concepts (7th ed.)
• Distributed Systems: Principles and Paradigms (2nd ed.)
• Security Engineering (3rd ed.)