vijayabhaskar-ev/dreamer_v4

From-scratch PyTorch implementation of DreamerV4 (Hafner et al., 2024): masked-autoencoder tokenizer, block-causal flow-matching dynamics with bootstrap curriculum, agent-token finetuning, and PMPO imagination RL. Hardened for TPU v4 / torch_xla with fixed-shape graphs, on-device RNG, and bounded compile-cache footprint.

GitHub repository with 22 stars and 2 forks.

Language: Python

Topics: dreamer, dreamer-v4, flow-matching, model-based-rl, pmpo, pytorch, reinforcement-learning, torch-xla, tpu, transformer

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2026-06-05: 22 stars and 2 forks.

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