High-performance computing enthusiast specializing in parallel processing, simulations, and efficient solutions to complex problems. Explore the intersection of science fiction, storytelling, and real-world computing.https://rohan-sharma.de/enrohan.sharma@mail.de (Rohan Sharma)rohan.sharma@mail.de (Rohan Sharma)Mon, 01 Jun 2026 18:42:51 GMTTechnologyHigh Performance ComputingParallel Processinghttps://rohan-sharma.de/blog/ketju-integrator/https://rohan-sharma.de//blog/ketju-integrator/Optimizing the hot loop of KETJU, a research-grade N-body code for supermassive black holes, while keeping its physics output bit-for-bit identicalMon, 01 Jun 2026 00:00:00 GMThpccastrophysicsoptimizationrohan.sharma@mail.de (Rohan Sharma)https://rohan-sharma.de/blog/32-bit-cpu/https://rohan-sharma.de//blog/32-bit-cpu/A deep dive into building a functional 32-bit CPU and Assembler using raw C++Sun, 30 Nov 2025 00:00:00 GMTcpparchitecturerohan.sharma@mail.de (Rohan Sharma)https://rohan-sharma.de/blog/cubiomesmpi-part3/https://rohan-sharma.de//blog/cubiomesmpi-part3/The Minecraft world has never been mapped like this beforeTue, 14 Oct 2025 00:00:00 GMThpccppopenmpiminecraftrohan.sharma@mail.de (Rohan Sharma)https://rohan-sharma.de/blog/cubiomesmpi-part2/https://rohan-sharma.de//blog/cubiomesmpi-part2/Taking Minecraft biome generation further with OpenMPI and optimizationsWed, 03 Sep 2025 00:00:00 GMThpccppopenmpiminecraftrohan.sharma@mail.de (Rohan Sharma)https://rohan-sharma.de/blog/cubiomesmpi-part1/https://rohan-sharma.de//blog/cubiomesmpi-part1/My first steps in accelerating Minecraft biome generation using OpenMPI with CubiomesMon, 11 Aug 2025 00:00:00 GMThpccppopenmpiminecraftrohan.sharma@mail.de (Rohan Sharma)