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Deep dives into systems programming, low-level tricks, and the internals of the software we take for granted.

3 articles found

Feb 25, 2026·11 min read

Exploiting Virtual Memory: Tricks Every Systems Programmer Should Know

A deep exploration of virtual memory internals — from page table manipulation and mmap tricks to copy-on-write exploits and zero-copy I/O patterns that can 10x your program's performance.

SYSTEMS PROGRAMMINGLINUXMEMORYC

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terminal

$ cat exploiting-virtual-memory-tr...

---

title: "Exploiting Virtual Memory: Tricks Ev..."

date: "2026-02-25"

tags: ["SYSTEMS PROGRAMMING", "LINUX", "MEMORY"]

Feb 18, 2026·9 min read

Writing a Memory Allocator from Scratch in C

Step-by-step construction of a production-quality memory allocator — covering free lists, coalescing, splitting, alignment, and the dark arts of sbrk and mmap.

CMEMORYALLOCATORLOW-LEVEL

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terminal

$ cat writing-a-memory-allocator-f...

---

title: "Writing a Memory Allocator from Scra..."

date: "2026-02-18"

tags: ["C", "MEMORY", "ALLOCATOR"]

Tutorial on ASSEMBLYC

Feb 10, 2026·10 min read

Inline Assembly and Compiler Intrinsics: When C Isn't Fast Enough

Practical guide to using GCC/Clang inline assembly, SIMD intrinsics, and compiler built-ins to write code that extracts every last cycle from modern hardware.

ASSEMBLYCPERFORMANCEx86-64SIMD

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terminal

$ cat inline-assembly-and-compiler...

---

title: "Inline Assembly and Compiler Intrins..."

date: "2026-02-10"

tags: ["ASSEMBLY", "C", "PERFORMANCE"]

3 total entriesEOF