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Reworking Memory Management in CRuby [pdf]

https://blog.peterzhu.ca/assets/ismm_2025.pdf

32•hahahacorn•3d ago

Comments

aguynamedben•3h ago

This paper is above my ability, but as someone who loves Ruby, thank you for working on this Peter and crew!

malkia•2h ago

While I love mimalloc, I'm surprised to see jemalloc/tcmalloc not scaling up, and slower than glibc... something is off here!

vlovich123•1h ago

Not surprising assuming tcmalloc is gperftools tcmalloc. Jemalloc OSS isn’t maintained and neither is gperftools (very old techniques). Tcmalloc has a new OSS variant that’s built using bazel but likely not what's benchmarked here.

Phoenix.new – Remote AI Runtime for Phoenix

https://fly.io/blog/phoenix-new-the-remote-ai-runtime/

272•wut42•5h ago•125 comments

Visualizing environmental costs of war in Hayao Miyazaki's Nausicaä

https://jgeekstudies.org/2025/06/20/wilted-lands-and-wounded-worlds-visualizing-environmental-costs-of-war-in-hayao-miyazakis-nausicaa-of-the-valley-of-the-wind/

125•zdw•4h ago•38 comments

EU Eyes Ditching Microsoft Azure for France's OVHcloud

https://www.euractiv.com/section/tech/news/scoop-commission-eyes-ditching-microsoft-azure-for-frances-ovhcloud-over-digital-sovereignty-fears/

88•doener•1h ago•48 comments

Show HN: Nxtscape – an open-source agentic browser

https://github.com/nxtscape/nxtscape

124•felarof•3h ago•88 comments

Show HN: Inspect and extract files from MSI installers directly in your browser

https://pymsi.readthedocs.io/en/latest/msi_viewer.html

6•rmast•18m ago•0 comments

Cracovians: The Twisted Twins of Matrices

https://marcinciura.wordpress.com/2025/06/20/cracovians-the-twisted-twins-of-matrices/

35•mci•3h ago•18 comments

Dancing Naked on the Head of a Pin: The Early History of Microphotography

https://publicdomainreview.org/essay/dancing-naked-on-the-head-of-a-pin

12•crescit_eundo•2d ago•0 comments

Tuxracer.js play Tux Racer in the browser

https://github.com/ebbejan/tux-racer-js

36•retro_guy•3h ago•12 comments

Oklo, the Earth's Two-billion-year-old only Known Natural Nuclear Reactor (2018)

https://www.iaea.org/newscenter/news/meet-oklo-the-earths-two-billion-year-old-only-known-natural-nuclear-reactor

136•keepamovin•10h ago•53 comments

A Python-first data lakehouse

https://www.bauplanlabs.com/blog/everything-as-python

65•akshayka•2d ago•15 comments

Hurl: Run and test HTTP requests with plain text

https://github.com/Orange-OpenSource/hurl

391•flykespice•16h ago•96 comments

Klong: A Simple Array Language

https://t3x.org/klong/

91•tosh•7h ago•37 comments

Show HN: SnapQL – Desktop app to query Postgres with AI

https://github.com/NickTikhonov/snap-ql

66•nicktikhonov•9h ago•44 comments

An analysis of recent multithreading improvements for a smoother game

https://dev.arma3.com/post/oprep-performance-optimizations-in-220

23•diggan•3d ago•0 comments

New dating for White Sands footprints confirms controversial theory

https://arstechnica.com/science/2025/06/study-confirms-white-sands-footprints-are-23000-years-old/

28•_tk_•1h ago•1 comments

How to Design Programs 2nd Ed (2024)

https://htdp.org

64•AbuAssar•4h ago•13 comments

Verified Dynamic Programming with Σ-types in Lean

https://tannerduve.github.io/blog/memoization-sigma/

5•rck•3d ago•0 comments

A Brief, Incomplete, and Mostly Wrong History of Robotics

https://generalrobots.substack.com/p/a-brief-incomplete-and-mostly-wrong

79•Bogdanp•4d ago•31 comments

Minimal auto-differentiation engine in Rust

https://github.com/e3ntity/nanograd

40•lschneider•6h ago•4 comments

Asterinas: A new Linux-compatible kernel project

https://lwn.net/SubscriberLink/1022920/ad60263cd13c8a13/

180•howtofly•18h ago•62 comments

Career advice, or something like it

https://brooker.co.za/blog/2025/06/20/career.html

31•SchwKatze•1h ago•2 comments

Meta announces Oakley smart glasses

https://www.theverge.com/news/690133/meta-oakley-hstn-ai-glasses-price-date

131•jmsflknr•7h ago•245 comments

College baseball, venture capital, and the long maybe

https://bcantrill.dtrace.org/2025/06/15/college-baseball-venture-capital-and-the-long-maybe/

103•bcantrill•4d ago•63 comments

Qfex (YC X25) – Back End Engineer for a 24/7 Stock Exchange

https://www.ycombinator.com/companies/qfex/jobs/S7XSybx-founding-backend-engineer

1•NPDW•13h ago

ELIZA Reanimated: Restoring the Mother of All Chatbots

https://www.computer.org/csdl/magazine/an/2025/02/11030922/27sQDLuL7Uc

84•abrax3141•3d ago•19 comments

Congestion pricing in Manhattan is a predictable success

https://www.economist.com/united-states/2025/06/19/congestion-pricing-in-manhattan-is-a-predictable-success

223•edward•5h ago•347 comments

Show HN: SecureBuild – Zero-CVE Images That Pay OSS Projects

https://securebuild.com

25•grantlmiller•5h ago•12 comments

Reworking Memory Management in CRuby [pdf]

https://blog.peterzhu.ca/assets/ismm_2025.pdf

32•hahahacorn•3d ago•3 comments

Andrej Karpathy: Software in the era of AI [video]

https://www.youtube.com/watch?v=LCEmiRjPEtQ

1349•sandslash•1d ago•739 comments

The Right Chemistry: How Jean Harlow became a ‘platinum blond’ (2020)

https://montrealgazette.com/opinion/columnists/article249177.html

37•thomassmith65•2d ago•0 comments