Running 1000 tests in 1s (2022) via @lobsters https://lobste.rs/s/mcrqed #javascript #performance #testing
https://marvinh.dev/blog/running-1000-test-in-1s/
performance
Debugging performance regressions https://lobste.rs/s/ifefxo #nix #performance
https://hpc.guix.info/blog/2026/07/debugging-performance-regressions/
Optimizing memory usage in a markdown parser https://lobste.rs/s/1swh9l #c++ #performance #vibecoding
https://blog.kowalczyk.info/a-n8wf/optimizing-memory-use-in-markdown-parser.html
Misconceptions about Loops in C (2024) https://lobste.rs/s/zga4q7 #pdf #c #performance
https://openaccess.city.ac.uk/id/eprint/33426/1/3652588.3663324.pdf
Exercises in benchmarking and evals, part 7: DeepSWE, Senior SWE-Bench, napkin math, and winter tires https://lobste.rs/s/tzr3le #performance
https://danluu.com/exercise-7/
Closing a three-year-old issue using Rust arenas https://lobste.rs/s/7840ca #performance #rust
https://giacomocavalieri.me/writing/gleam-rust-arenas
Symmetries in boolean scans via @jmiven https://lobste.rs/s/hzbkr2 #apl #performance
https://ap29600.github.io/boolean_scans.html
CodeSizer: Why is that binary so big? https://lobste.rs/s/ukyvbo #performance
https://github.com/Wren6991/CodeSizer
We're not done with point clouds https://lobste.rs/s/ctwrrt #performance #rust
https://claytonwramsey.com/blog/mvt/
Performance impact of Alignment https://lobste.rs/s/7hm8yf #java #performance
https://eme64.github.io/blog/2026/01/12/Alignment-Performance.html
25x Performance, Three Optimizations via @abnv https://lobste.rs/s/rhto2r #compilers #lisp #performance #rust
https://maplant.com/2025-04-20-25x-Performance,-Three-Optimizations.html
The fastest double-to-string algorithm you’ve never heard of via @fanf https://lobste.rs/s/vzza5g #performance
https://vitaut.net/posts/2026/yy-dtoa/
Watching Go's new garbage collector move through the heap https://lobste.rs/s/u60zv9 #dotnet #go #performance
https://theconsensus.dev/p/2026/07/19/observing-gos-garbage-collector-old-and-new.html
Every Millisecond Counts https://lobste.rs/s/uiyfpl #databases #performance
https://jordivillar.com/blog/every-millisecond-counts
Your harddrive is probably full https://lobste.rs/s/wee5yh #culture #performance #practices
https://www.marginalia.nu/log/a_139_hdd/
Fast DEFLATE compression in Lean https://lobste.rs/s/1o4ba2 #formalmethods #performance #vibecoding
https://kim-em.github.io/blog/2026-7-24-why-lean-is-faster-than-rust/
A slightly faster slimmer curl https://lobste.rs/s/d9rpcl #performance
https://daniel.haxx.se/blog/2026/10/13/a-slightly-faster-slimmer-curl/
Numba in the Browser: Unlocking a New Scientific Python Stack in JupyterLite https://lobste.rs/s/l3ephx #performance #python #wasm
https://notebook.link/blog/numba-in-the-browser
N-body gravity simulation in O(N) https://lobste.rs/s/v1ejq9 #video #math #performance #programming #science
https://www.youtube.com/watch?v=FhMftauQZqU
Write a SQL Optimizer using Egg (2023) https://lobste.rs/s/iarwcp #databases #performance #rust
https://rustmagazine.org/issue-2/write-a-sql-optimizer-using-egg
The Pit of Success - An interview with Rico Mariani https://lobste.rs/s/leneb2 #video #performance #practices
https://youtu.be/48Rig6v-xYU
Building a Fast Lock-Free Queue in Modern C++ From Scratch https://lobste.rs/s/opogns #c++ #performance
https://blog.jaysmito.dev/blog/04-fast-lockfree-queues/
The mean means nothing https://lobste.rs/s/p0fdmk #performance
https://fzakaria.com/2026/07/27/the-mean-means-nothing
Singeli: High-level interface for low-level programming https://lobste.rs/s/jnutrb #apl #compilers #performance
https://github.com/mlochbaum/Singeli