Distributed Systems & Artificial Intelligence. Essays on engineering leadership, applied AI, and the internals of systems programming by Rahul Singh.https://www.arrsingh.com/https://www.arrsingh.com/parenting-leadership/https://www.arrsingh.com/parenting-leadership/I was the perfect parent till I had my first baby. My sweet daughter brought into sharp focus the difference between theory and practice. That's when the real…Sat, 01 Nov 2025 17:55:00 GMTleadershiphttps://www.arrsingh.com/mcp-vs-acp-understanding-the-protocols-powering-ai-agents/https://www.arrsingh.com/mcp-vs-acp-understanding-the-protocols-powering-ai-agents/If you've been following some of the innovations in AI, you've probably heard about the Model Context Protocol (MCP) and Agent Client Protocol (ACP). While…Sun, 19 Oct 2025 22:29:45 GMTaihttps://www.arrsingh.com/more-ai-means-more-engineers-not-less/https://www.arrsingh.com/more-ai-means-more-engineers-not-less/I believe that the AI-Led Demise of the future Software Engineer has been greatly exaggerated. Its easy to fall into the conventional thinking trap that we'll…Sun, 31 Aug 2025 20:20:00 GMTaihttps://www.arrsingh.com/3-non-reasons-why-your-engineer-team-doesnt-shi/https://www.arrsingh.com/3-non-reasons-why-your-engineer-team-doesnt-shi/3 non-reasons why your engineering team is slow to ship softwareMon, 06 Jan 2025 04:30:00 GMTleadershiphttps://www.arrsingh.com/a-fast-linkedhashmap-in-rust/https://www.arrsingh.com/a-fast-linkedhashmap-in-rust/A Rust HashMap with a predictable iteration order and constant time inserts, lookups and deletes — plus built-in LRU eviction.Sun, 29 Dec 2024 17:36:00 GMTrustlinkedlisthttps://www.arrsingh.com/a-fast-linkedlist-in-rus/https://www.arrsingh.com/a-fast-linkedlist-in-rus/The deepmesa collections linkedlist in rust is easy to useThu, 29 Sep 2022 07:00:00 GMTrustlinkedlisthttps://www.arrsingh.com/a-fast-linkedlist-in-rust-part-2-performance/https://www.arrsingh.com/a-fast-linkedlist-in-rust-part-2-performance/The deepmesa::collections::LinkedList is twice as fast as the std::collections::LinkedListSat, 10 Sep 2022 07:00:00 GMTrustlinkedlisthttps://www.arrsingh.com/a-fast-and-useful-linkedlist-in-rust/https://www.arrsingh.com/a-fast-and-useful-linkedlist-in-rust/A fast linked list that allows for constant time inserts and deletes in the middle of the listThu, 21 Jul 2022 07:00:00 GMTrustlinkedlisthttps://www.arrsingh.com/storing-the-same-data-in-multiple-containers-in-rust/https://www.arrsingh.com/storing-the-same-data-in-multiple-containers-in-rust/The borrow checker in rust makes it difficult for two objects to hold a reference to the same item. The solution in safe-rust is to copy the data or to use…Sat, 10 Apr 2021 07:00:00 GMTrusthttps://www.arrsingh.com/the-shortcomings-of-std-collections-linkedlist/https://www.arrsingh.com/the-shortcomings-of-std-collections-linkedlist/The std::collections::LinkedList falls short in several ways which makes it less useful than it could be.Sun, 10 Jan 2021 08:00:00 GMTrustlinkedlisthttps://www.arrsingh.com/logistic-regression-in-go/https://www.arrsingh.com/logistic-regression-in-go/Linear Regression predicts the value of a dependent variable (y) given one or more independent variables (x1, x2, x3...xn). In this case, y is continuous -…Sat, 05 Oct 2019 07:00:00 GMTaihttps://www.arrsingh.com/multiple-regression-in-go/https://www.arrsingh.com/multiple-regression-in-go/Linear Regression predicts one dependent variable (y) given one or more independent variables (x1, x2, x3...xn). Simple Linear regression with a single…Sat, 28 Sep 2019 07:00:00 GMTaihttps://www.arrsingh.com/simple-linear-regression-in-go/https://www.arrsingh.com/simple-linear-regression-in-go/Implementation of the closed form for Simple Linear Regression in GoSun, 22 Sep 2019 07:00:00 GMTai