#1brc
Live, measured metrics for the hashtag #1brc from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #1brc
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mastodon.online (Mastodon public tags API) · fetched 2026-09-17 00:25 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.online (Mastodon public search API) · fetched 2026-09-17 00:25 UTCLive pulse
measured · mastodon.online (Mastodon tag timeline) · fetched 2026-09-17 00:25 UTCEverything below is measured over the latest 40 public posts (spanning ~21222 hours).
Posting hours (UTC) — busiest: 10:00
Languages: English (39) · Japanese (1)
Avg boosts / post: 0.6
Top of the latest posts
Thank you @gunnarmorling for the awesome #1brc prize. This was the hardest earned coffee mug in my life! #GraalVM
Created a repo with the step-by-step progress of the fastest #1brc solution. Key takeaways: - @graalvm JIT provides 8+% for free. 🚀 - Parallellize and optimize data structures to get 95% of the way. - Squeeze out the max by understanding t
My #rustlang implementation for the 1 Billion Row Challenge: https://github.com/mtelahun/onebrc-rs No special optimizations other than using ArrayString from the arrayvec crate to minimize string allocations on the heap. On my workstation i
#1brc across platforms
every network with a public tag surfaceFollow #1brc straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/1brc