Algorithms for modern hardware.
Caches, NUMA, and memory, by Ulrich Drepper.
Optimization manuals and instruction tables.
Atomics, memory ordering, lock-free code.
The C++ reference.
See what your code compiles to.
Sockets, the classic way.
Operating Systems: Three Easy Pieces.
TCP, TLS, HTTP/2 and friends.
Linux performance and tracing.
Interview prep, free.
Compensation data.
AI job search and applications.