Liangxu Linux

May 10, 2025 · Fundamentals

Single Linux Kernel Commit Delivers 40× Memory Allocation Speedup

A recent Intel‑driven Linux kernel test revealed that a single commit fixing THP‑PMD alignment boosted 1‑byte malloc throughput by 3889% (≈40×), highlighting how tiny memory‑management tweaks can dramatically improve performance despite being demonstrated on synthetic benchmarks.