{ "model_id": "sam2-vit-b", "split": "train", "total_samples": 1281167, "seq_len": 256, "feat_dim": 896, "dtype": "bfloat16", "world_size": 8, "max_samples_per_chunk": 75000, "shards": [ { "rank": 0, "chunk": 0, "filename": "train_shard_000_chunk_0000.safetensors", "start_idx": 0, "end_idx": 75008, "num_samples": 75008 }, { "rank": 0, "chunk": 1, "filename": "train_shard_000_chunk_0001.safetensors", "start_idx": 75008, "end_idx": 150016, "num_samples": 75008 }, { "rank": 0, "chunk": 2, "filename": "train_shard_000_chunk_0002.safetensors", "start_idx": 150016, "end_idx": 160146, "num_samples": 10130 }, { "rank": 1, "chunk": 0, "filename": "train_shard_001_chunk_0000.safetensors", "start_idx": 160146, "end_idx": 235154, "num_samples": 75008 }, { "rank": 1, "chunk": 1, "filename": "train_shard_001_chunk_0001.safetensors", "start_idx": 235154, "end_idx": 310162, "num_samples": 75008 }, { "rank": 1, "chunk": 2, "filename": "train_shard_001_chunk_0002.safetensors", "start_idx": 310162, "end_idx": 320292, "num_samples": 10130 }, { "rank": 2, "chunk": 0, "filename": "train_shard_002_chunk_0000.safetensors", "start_idx": 320292, "end_idx": 395300, "num_samples": 75008 }, { "rank": 2, "chunk": 1, "filename": "train_shard_002_chunk_0001.safetensors", "start_idx": 395300, "end_idx": 470308, "num_samples": 75008 }, { "rank": 2, "chunk": 2, "filename": "train_shard_002_chunk_0002.safetensors", "start_idx": 470308, "end_idx": 480438, "num_samples": 10130 }, { "rank": 3, "chunk": 0, "filename": "train_shard_003_chunk_0000.safetensors", "start_idx": 480438, "end_idx": 555446, "num_samples": 75008 }, { "rank": 3, "chunk": 1, "filename": "train_shard_003_chunk_0001.safetensors", "start_idx": 555446, "end_idx": 630454, "num_samples": 75008 }, { "rank": 3, "chunk": 2, "filename": "train_shard_003_chunk_0002.safetensors", "start_idx": 630454, "end_idx": 640584, "num_samples": 10130 }, { "rank": 4, "chunk": 0, "filename": "train_shard_004_chunk_0000.safetensors", "start_idx": 640584, "end_idx": 715592, "num_samples": 75008 }, { "rank": 4, "chunk": 1, "filename": "train_shard_004_chunk_0001.safetensors", "start_idx": 715592, "end_idx": 790600, "num_samples": 75008 }, { "rank": 4, "chunk": 2, "filename": "train_shard_004_chunk_0002.safetensors", "start_idx": 790600, "end_idx": 800730, "num_samples": 10130 }, { "rank": 5, "chunk": 0, "filename": "train_shard_005_chunk_0000.safetensors", "start_idx": 800730, "end_idx": 875738, "num_samples": 75008 }, { "rank": 5, "chunk": 1, "filename": "train_shard_005_chunk_0001.safetensors", "start_idx": 875738, "end_idx": 950746, "num_samples": 75008 }, { "rank": 5, "chunk": 2, "filename": "train_shard_005_chunk_0002.safetensors", "start_idx": 950746, "end_idx": 960876, "num_samples": 10130 }, { "rank": 6, "chunk": 0, "filename": "train_shard_006_chunk_0000.safetensors", "start_idx": 960876, "end_idx": 1035884, "num_samples": 75008 }, { "rank": 6, "chunk": 1, "filename": "train_shard_006_chunk_0001.safetensors", "start_idx": 1035884, "end_idx": 1110892, "num_samples": 75008 }, { "rank": 6, "chunk": 2, "filename": "train_shard_006_chunk_0002.safetensors", "start_idx": 1110892, "end_idx": 1121022, "num_samples": 10130 }, { "rank": 7, "chunk": 0, "filename": "train_shard_007_chunk_0000.safetensors", "start_idx": 1121022, "end_idx": 1196030, "num_samples": 75008 }, { "rank": 7, "chunk": 1, "filename": "train_shard_007_chunk_0001.safetensors", "start_idx": 1196030, "end_idx": 1271038, "num_samples": 75008 }, { "rank": 7, "chunk": 2, "filename": "train_shard_007_chunk_0002.safetensors", "start_idx": 1271038, "end_idx": 1281167, "num_samples": 10129 } ] }