#performance

Shlemiel the Painter Is Back: How Zig’s libc Rewrite Made SQLite Slower https://lobste.rs/s/lh1j0e #performance #rust #zig https://dennisforbes.ca/blog/microblog/2026/10/the_accidental_12000x_sqlite_slowdown/

Beating the compiler at signed 32-bit division https://lobste.rs/s/ep5vsq #compilers #performance https://lemire.me/blog/2026/10/31/beating-the-compiler-at-signed-32-bit-division/

Non-Determinism and Overcount on Modern Hardware Performance Counter Implementations https://lobste.rs/s/pswl6z #pdf #hardware #performance https://web.eece.maine.edu/~vweaver/projects/deterministic/deterministic_counters.pdf

How hard is it to check for whitespace? https://lobste.rs/s/1pmuy7 #java #performance https://serce.me/posts/2026-10-30-how-hard-is-it-to-check-for-whitespace

Switch lowering in GCC https://lobste.rs/s/ncclwy #compilers #performance https://xoranth.net/gcc-switch/

VictoriaLogs vs Loki, Elasticsearch, OpenSearch, SigNoz and ClickStack on structured log ingestion https://lobste.rs/s/76otqu #databases #devops #performance https://victoriametrics.com/blog/structured-log-ingestion-benchmark/

Making SIMD Code Scale to Any Vector Width https://lobste.rs/s/3jyfg9 #assembly #c++ #graphics #performance https://streamhpc.com/blog/2026-10-28/making-simd-code-scale-to-any-vector-width/

The Benchmarking Crisis https://lobste.rs/s/smtpje #ai #databases #performance http://databasearchitects.blogspot.com/2026/10/the-benchmarking-crisis.html

A faster way to compute signed 64-bit floor division by constants https://lobste.rs/s/o5to4p #c++ #performance https://www.benjoffe.com/fast-floordiv

Heavenly delights of hashing numbers under EQUALP https://lobste.rs/s/0ta2mv #lisp #math #performance #programming https://turtleware.eu/posts/Heavenly-delights-of-hashing-numbers-under-EQUALP.html

Big Runtimes Make Efficient Programs https://lobste.rs/s/g5k2pc #video #compilers #java #performance https://www.youtube.com/watch?v=vhDwy1eCXbs

Memory is slow, Disk is fast https://lobste.rs/s/pvfzhq #performance https://www.bitflux.ai/blog/memory-is-slow-part3/

Profiling Org->HTML formal grammar and optimizing it: orgwebalchemy https://lobste.rs/s/9gak0g #emacs #lisp #performance #web https://jointhefreeworld.org/blog/articles/lisps/orgwebalchemy-benchmarking-profiling-and-org-support/

Software is slow because of bad design, not slow languages https://lobste.rs/s/hd72yt #performance https://www.seangoedecke.com/software-is-slow-because-of-bad-design-not-slow-languages/

How close can pure FP get to C? https://lobste.rs/s/7me8wm #performance #programming https://rtfeldman.com/fp-vs-c

Debunking "Faster than Rust": Malicious Benchmarks in Tov https://lobste.rs/s/gajtrm #performance https://blog.fyralabs.com/debunking-faster-than-rust-malicious-benchmarks-in-tov/

Using a lookup-table to correct an approximation via @fanf@mendeddrum.org https://lobste.rs/s/os7brs #performance https://www.corsix.org/content/using-a-lookup-table-to-correct-an-approximation

Don't throw it all away: Caching an immediate-mode UI https://lobste.rs/s/cq7wn7 #graphics #performance https://blickeditor.com/blog/caching-an-immediate-mode-ui

A Very Fast IPv4 Parser, in Swift https://lobste.rs/s/dl4h2a #performance #swift https://blog.mahdibm.com/posts/a-very-fast-ipv4-parser-in-swift/

DeepSeek-V4.1-Flash on vLLM: 5x Agentic Throughput Since Day 0 https://vllm.ai/blog/2026-10-07-deepseek-v41-flash #AI #LLM #Performance