{ "ts": "2026-08-29T07:17:14Z", "gpu": 4, "trainer": "fast4gpu_boost_v4", "attn_impl": "chunked", "p0": true, "batch": 4, "tokens_processed": 109952000, "start_token_next": 109952000, "shard": "/workspace/fractus-p0/data/shard_gpu4.npy", "shard_len": 429896462, "ckpt": "fractus_1b_gpu4.pt" }