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Posts with #systemsprogramming

#systemsprogramming

Public posts on X that use #systemsprogramming.

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  2. Visual Studio✓@VisualStudio
    🧠 C++ trivia that isn't trivia: Function-local static variables initialize exactly once. ⚙️ But how do compilers and runtimes guarantee that, especially with multiple threads? 🤔 🚀 Read the deep dive: #cpp #cplusplus #systemsprogramming #devtools
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    12344.5K
  6. Aditya Chavan@theadityac
    Two threads. Two different variables. One cache line. This is false sharing. Cache coherence can repeatedly invalidate cache lines when independent threads modify nearby data. The result? Unexpected performance degradation in multithreaded applications. #SystemsProgramming
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    00260
  8. Thakur@iamthakur404
    Next: Processes and system calls. #Cpp #SystemsProgramming
    Thakur @iamthakur404
    What happens when you run a C++ program on Linux? The shell resolves the command. The OS creates a process. The loader maps the executable and libraries. Runtime initialisation happens. Your program begins execution. There’s much more happening behind a simple ./program.
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  9. Thakur@iamthakur404
    What happens when you run a C++ program on Linux? The shell resolves the command. The OS creates a process. The loader maps the executable and libraries. Runtime initialisation happens. Your program begins execution. There’s much more happening behind a simple ./program.
    00266
  11. Hello@0xhello69
    ⚡I built a performance-focused systems project for Speed Demon 2026! Four challenging tracks. Four standalone Rust programs. Zero third-party runtime dependencies. Instead of chasing hype, I focused on algorithms, SIMD, memory efficiency, parallelism, and measurable performance.
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  12. Hello@0xhello69
    @0xhello69
    4/4 — The engineering journey One of the most valuable lessons was that more optimization doesn't always mean better performance. I experimented, benchmarked, investigated bottlenecks, rejected slower optimizations, and documented engineering trade-offs.
    10011
  14. Pi@pie314n
    1,000,000,000 digits of Pi. 100% accurate. PiEngine just hit the 1B milestone using OCaml 5 + Chudnovsky algorithm with binary splitting. Time: 1256.49s (~21 min) HW: Ryzen 7 Pro (all cores pinned) RAM: ~12GB peak #OCaml #SystemsProgramming
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    3219355
  15. David Okocha✓@davidleonokocha
    Built a process monitor in C from scratch. Reads directly from the Linux kernel. No libraries. Like Task Manager or Activity Monitor — but I built it. One step closer to EduOS. #EduOS #C #SystemsProgramming
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    003125
  16. Thakur@iamthakur404
    Most developers don’t need another language. They need to understand memory, CPU caches, threads, processes, and operating systems. Strong fundamentals make better engineers. Agree or disagree? #Cpp #systemsprogramming
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  21. MoonBit✓@moonbitlang
    MoonBit adds : • Value Type — zero-allocation structs • Bits pattern — spec-style parsing In FFT benchmarks: 🚀 30% faster than Rust Details & code 👉 #moonbit #rust #systemsprogramming
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