Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -1392,3 +1392,5 @@
 {"step": 27840, "tokens": 14596177920, "loss": 2.6997257232666017, "tokens_per_second": 989722.6929217199, "lr": 0.0015, "gradient_norm": 0.1539795845746994, "benchmark": false}
 {"step": 27860, "tokens": 14606663680, "loss": 2.689684295654297, "tokens_per_second": 841727.3918574338, "lr": 0.0015, "gradient_norm": 0.1626945436000824, "benchmark": false}
 {"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}