code optimization 1execution time measurement 1GRPO adaptation 1reinforcement learning 1reward design 1sandbox environment 1
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cs.CL2026
Language-Switching Triggers Take a Latent Detour Through Language Models
Francis Kulumba, Wissam Antoun, Théo Lasnier +2
Backdoor attacks on language models pose a growing security concern, yet the internal mechanisms by which a trigger sequence hijacks model computations remain poorly understood. We…
cs.CL2025
BigO(Bench) -- Can LLMs Generate Code with Controlled Time and Space Complexity?
Pierre Chambon, Baptiste Roziere, Benoit Sagot +1
We introduce BigO(Bench), a novel coding benchmark designed to evaluate the capabilities of generative language models in understanding and generating code with specified time and…
cs.CL2024
Spirit LM: Interleaved Spoken and Written Language Model
Tu Anh Nguyen, Benjamin Muller, Bokai Yu +13
We introduce Spirit LM, a foundation multimodal language model that freely mixes text and speech. Our model is based on a 7B pretrained text language model that we extend to the sp…