6 posts

Low Latency

Branch Tables & Computed gotos
11 Oct 2026 9 min read cpp, low-latency, gcc
We'll make a tiny virtual machine to understand what branches and branch tables are, how normal switch statements work and what computed gotos are
Branchless & Cache friendly programming
09 Sep 2026 8 min read cpp, coding, low-latency, best-practices
This post discusses how we can write code (mainly focused to C++ but can be applied in almost any language) in such a way that it follows branchless-ness and spacial locality
Strictly Align Memory Address
07 Sep 2026 3 min read cpp, memory, low-latency
We can use bitwise operations and tricks to ensure that memory addresses are strictly aligned for performance and hardware safety.
Packing & Unpacking two integers in one
29 Aug 2026 3 min read cpp, coding, programming, low-latency
Packing and unpacking two integers into one is a bit manipulation technique used to compress multiple small values into a single larger variable to save memory or bandwidth.
Intrusive Data Type
17 Aug 2026 3 min read cpp, coding, programming, low-latency
There are many ways to make data generic in C and C++. There is one peculiar way that I like the most and is also used in Linux Kernel.
Type Punning
09 Aug 2026 4 min read cpp, coding, programming, low-latency
Type punning is a programming trick where you force the computer to read a chunk of memory as a completely different data type than what it was originally declared as.