Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -1394,3 +1394,5 @@
 {"step": 27880, "tokens": 14617149440, "loss": 2.747370719909668, "tokens_per_second": 970746.5883628117, "lr": 0.0015, "gradient_norm": 0.18976539373397827, "benchmark": false}
 {"step": 27900, "tokens": 14627635200, "loss": 2.7361568450927733, "tokens_per_second": 965693.6629111602, "lr": 0.0015, "gradient_norm": 0.17063546180725098, "benchmark": false}
 {"step": 27920, "tokens": 14638120960, "loss": 2.7415027618408203, "tokens_per_second": 973208.4045714834, "lr": 0.0015, "gradient_norm": 0.18788912892341614, "benchmark": false}
+{"step": 27940, "tokens": 14648606720, "loss": 2.699085998535156, "tokens_per_second": 967242.1150041102, "lr": 0.0015, "gradient_norm": 0.1698664277791977, "benchmark": false}
+{"step": 27960, "tokens": 14659092480, "loss": 2.710794448852539, "tokens_per_second": 971998.9333785562, "lr": 0.0015, "gradient_norm": 0.15751716494560242, "benchmark": false}