Author

Alexis Jacq

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Preprint Aug 2026

Kastor: An efficient fine-tuning strategy for generative emulation of PDE simulations

This paper proposes Kastor, a comprehensive methodology to adapt a deterministic physics foundation model into a highly efficient and accurate generative surrogate, and introduces a two-stage inference scheme that combines a large-stride causal auto-regressive model with a non-causal temporal super-resolution network,...

Guillaume Couairon, Alexis Jacq, Yu-Han Wu et al. · 0 citations

Preprint Jul 2026

DiffusionGemma Technical Report

We introduce DiffusionGemma, an experimental open-weight language model that uses discrete diffusion to generate text at exceptionally high speed. Rather than decoding one token at a time, DiffusionGemma iteratively refines blocks of 256 tokens in parallel, avoiding the sequential decoding bottleneck of conventional au...

DiffusionGemma Team Adrien Ali Taïga, James Assiene, Daniele Calandriello et al. · 0 citations