lobste_rs 

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Stealing Part of a Production Language Model (2024)
We introduce the first model-stealing attack that extracts precise, nontrivial information from black-box production language models like OpenAI’s ChatGPT or Google’s PaLM-2. Specifically, our attack recovers the embedding projection layer (up to symmetries) of a transformer model, given typical API access. For under $20 USD, our attack extracts the entire projection matrix of OpenAI’s ada and babbage language models. We thereby confirm, for the first time, that these black-box … ⌘ Read more

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cargo-subspace: Make rust-analyzer work better with very large cargo workspaces
Let me preface all of this by saying that rust-analyzer is an amazing project, and I am eternally grateful for the many people who contribute to it! It makes developing rust code a breeze, and it has surely significantly contributed to Rust’s widespread adoption.

If you’ve ever worked with a very large cargo workspace (think hundreds of crates), you know that rust-analyzer eagerly builds compile time dependencies (e.g. proc macros) and index … ⌘ Read more

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Passing of Jean-Raymond Abrial
Jean-Raymond Abrial, father (in particular!) of the Z notation, but also of the B method, and then Event-B, passed away on May 26. I was surprised to see that this piece of news, which may be of some interest to formal method folks, doesn’t seem to be very well known (there’s not much material on the web).

Here are some links (on LinkedIn, sorry):
[by Bertrand Meyer](https://www.linkedin.com/posts/bertrandmeyer_i-am-saddened-to-report-from-todays-print-activity-7335684948974034944-SJf1? … ⌘ Read more

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