#performance

A slightly faster slimmer curl https://lobste.rs/s/d9rpcl #performance https://daniel.haxx.se/blog/2026/10/13/a-slightly-faster-slimmer-curl/

Speeding up the Unreal editor by… not using unnecessarily secure hash methods via @fanf@mendeddrum.org https://lobste.rs/s/5feguu #performance https://larstofus.com/2026/10/11/speeding-up-the-unreal-editor-by-not-using-unnecessarily-secure-hash-methods/

JSON Tiles: Fast Analytics on Semi-Structured Data (2021) https://lobste.rs/s/7mllxi #pdf #databases #performance https://db.cit.tum.de/~durner/papers/json-tiles-sigmod21.pdf

How shredding JSON is giving Logfire 1000x query speedups https://lobste.rs/s/6vjx1k #databases #performance https://pydantic.dev/articles/dynamic-shredding-2026-01-26

Making np.searchsorted up to 25× Faster in NumPy 2.5 https://lobste.rs/s/fbs3k7 #performance https://blog.scientific-python.org/numpy/searchsorted/

culpert - rust heap profiling with span awareness and regression tooling https://lobste.rs/s/a1ser9 #performance #rust #vibecoding https://github.com/rupert648/culpert

Vectorized CLZ and CTZ via @fanf@mendeddrum.org https://lobste.rs/s/9xcc2g #performance https://purplesyringa.moe/blog/vectorized-clz-and-ctz/

Spinlocks Considered Harmful (2020) https://lobste.rs/s/8mj9bb #performance https://matklad.github.io/2020/01/02/spinlocks-considered-harmful.html

The Performance Cost of RwLock in Our Read-Heavy Workload https://lobste.rs/s/pioj21 #performance #rust https://pranitha.dev/posts/rwlock-vs-lockfree/

rat's minimal register allocator https://lobste.rs/s/frav12 #compilers #performance https://hexrat.cc/pages/blog/2026_10_07

How fast is Python 3.15? https://lobste.rs/s/se6wbx #performance #python https://blog.miguelgrinberg.com/post/how-fast-is-python-3-15

Burn 0.22.0: Faster Builds, Easier Extensions, and Smarter Autotuning https://lobste.rs/s/cme2vx #ai #performance #rust https://tracel.ai/blog/release-0.22.0/

Janet on x32: 32-bit Pointers, 64-bit Speed, 25% Less RAM https://lobste.rs/s/am1cuw #linux #performance https://alexalejandre.com/programming/lisp/janet-for-the-x32-abi/

Unroll a loop, make shader 10x faster https://lobste.rs/s/mconp9 #graphics #performance https://aras-p.info/blog/2026/10/05/Unroll-a-loop-make-shader-10x-faster/

Customization: Optimizing Compiler Technology for SELF, a Dynamically-Typed Object-Oriented Programming Language (1989) https://lobste.rs/s/dqp0oc #pdf #compilers #performance #plt https://dl.acm.org/doi/epdf/10.1145/74818.74831

Upstream Rust maintenance report https://lobste.rs/s/cdkmaf #compilers #performance #rust https://kobzol.github.io/rust/2026/09/30/stf-august-september-2026.html

The Second Golden Spike: Memory Safety Across the Valen/Rust Boundary https://lobste.rs/s/ajtnc6 #compilers #performance #plt #rust https://verdagon.dev/blog/boundary-memory-safety

Writing Efficient C++ Code https://lobste.rs/s/exda3k #c++ #performance https://asawicki.info/articles/writing_efficient_cpp_code.php

Improving site performance by shipping more CSS https://lobste.rs/s/fli8va #css #performance #web https://github.blog/engineering/architecture-optimization/improving-site-performance-by-shipping-more-css/

Tuning a Server for Benchmarking https://lobste.rs/s/fejuat #linux #performance https://david.alvarezrosa.com/posts/tuning-a-server-for-benchmarking/