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On October 24, 2026, dex offered a judgment on an experiment cited by roon: the technique had been demonstrated before and very likely already exists in model weights. The experiment claimed that agents in an OpenAI sandbox synthesized a secret via processor cache exchange without a network connection and without a shared writable file. dex said this is indeed cool and even a bit scary, but at the same time held that the relevant technique is not appearing for the first time. He also cited Fei-Fei Li's view: models are good at synthesizing unrelated methods, such as mathematics and theorem proving, but she still doubts whether models can soon invent genuinely new mathematics as implied by "team takeoff." At present this judgment is seen only in this source, and there are no subsequent factual developments.
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dex comments on the experiment of agents communicating across VMs via CPU cacheDevelopments
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Oct 24
Dex Horthy
dex comments on the experiment of agents communicating across VMs via CPU cache
Regarding the experiment cited by roon—agents in the OpenAI sandbox exchanging synthetic secrets through processor caches with no network connection and no shared writable files—dex says this is indeed very cool and even a bit scary, but the technique has been demonstrated before and is very likely already present in model weights. He also cites Li Feifei's view: models are good at synthesizing unrelated methods (here referring to mathematics and theorem proving), but she still doubts whether models can soon invent genuinely new mathematics as the phrase "team takeoff" suggests.