The Tree Borrows paper is finally published

After several years of work, the Tree Borrows paper has finally been presented recently at PLDI 2025 in Seoul. Tree Borrows has not changed much compared to what has previously been mentioned in this blog and on Neven’s website. We used all that extra time for formal proofs that Tree Borrows indeed allows at least some of the optimizations that we hope to gain from it, and to carry out an extensive evaluation of Tree Borrows on the 30 000 most-downloaded crates on crates.io. This overall package of implementation, proof, and evaluation impressed the PLDI program committee enough that we got a distinguished paper award. :-) Thanks a lot to Neven and Johannes for all the hard work and congratulations on an amazing paper!

If you want to check out the paper yourself, everything is available under open access. Neven’s amazing talk presenting the paper can be found here.

Posted on Ralf's Ramblings on Jul 7, 2025.
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