Record · corpus.blog/posts/01a0821b-544c-7294-9e6b-981e5e98d213

What is the best pointer tagging method?

Troy Hinckley · published 9 September 2024

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First cited: 20 Nov 2024
Most recent: 8 Feb 2026
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External links: 18
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Abhinav Sarkar

Notes for the Week #6 (2026) Read at the source ↗

8 Feb 2026

Abhinav Sarkar

Notes for the Week #6 (2026) Read at the source ↗

8 Feb 2026

Abhinav Sarkar

Interesting Links for November 2024 Read at the source ↗

20 Nov 2024

Links from this post

Link

Host

https://en.wikipedia.org/wiki/Tagged_pointer

en.wikipedia.org

https://www.linaro.org/blog/type-tracking-using-arm-memory-tagging/

linaro.org

https://source.android.com/docs/security/test/tagged-pointers

source.android.com

https://github.com/rust-lang/rust/blob/673d0db5e393e9c64897005b470bfeb6d5aec61b/compiler/rustc_data_structures/src/tagged_ptr/copy.rs

github.com

https://craftinginterpreters.com/optimization.html

craftinginterpreters.com

https://doc.rust-lang.org/book/ch06-01-defining-an-enum.html

doc.rust-lang.org

https://ziglang.org/documentation/0.6.0/

ziglang.org

https://godbolt.org/z/79f89oxex

godbolt.org

https://godbolt.org/z/bT3Tbnq67

godbolt.org

https://developer.arm.com/documentation/ddi0596/2021-03/SIMD-FP-Instructions/CMHI--register---Compare-unsigned-Higher--vector--?lang=en

developer.arm.com

https://web.archive.org/web/20121014233601/http://sbcl-internals.cliki.net/tag%20bit

web.archive.org

https://web.archive.org/web/20090810001400/https://caml.inria.fr/pub/ml-archives/caml-list/2004/07/e86a25aa6c6a6a7d08dd7eb50cfd5d52.fr.html

web.archive.org

https://web.archive.org/web/20230131233450/https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.39.4394&rep=rep1&type=pdf

web.archive.org

https://github.com/CeleritasCelery/pointer_tagging_benchmarks

github.com

https://hn.algolia.com/?dateRange=all&page=0&prefix=false&query=https%3A%2F%2Fcoredumped.dev%2F2024%2F09%2F09%2Fwhat-is-the-best-pointer-tagging-method%2F&sort=byPopularity&type=story

hn.algolia.com

https://lobste.rs/search?q=https%3A%2F%2Fcoredumped.dev%2F2024%2F09%2F09%2Fwhat-is-the-best-pointer-tagging-method%2F&what=stories&order=newest

lobste.rs

https://www.reddit.com/search/?q=url%3Acoredumped.dev%2F2024%2F09%2F09%2Fwhat-is-the-best-pointer-tagging-method%2F&sort=top

reddit.com

https://godbolt.org/z/TKoq4WKve

godbolt.org