1
How simultaneous multithreading works under the hood
Learn the microarchitecture-level details of the processor that enable to execute two threads at the same time on a CPU core
Coding Confessions
I write about how computers work underneath the abstractions: compilers, operating systems, memory, performance, and low-level programming. Click to read Confessions of a Code Addict, by Abhinav Upadhyay, a Substack publication with tens of thousands of subscribers.
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2
How Unix spell ran in 64kb RAM
How do you fit a dictionary in 64kb RAM? Unix engineers solved it with clever data structures and compression tricks. Here's the fascinating story behind it.
3
The CAP theorem of Clustering: Why Every Algorithm Must Sacrifice Something
No clustering algorithm is perfect and you must make a trade-off.
4
Linux Context Switching Internals: Process State and Memory
How does the Linux kernel represent processes and their state: A breakdown of task_struct and mm_struct