Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -444,3 +444,5 @@
 {"step": 8880, "tokens": 4655677440, "loss": 2.858736038208008, "tokens_per_second": 973079.5058719201, "lr": 0.0015, "gradient_norm": 0.06807484477758408, "benchmark": false}
 {"step": 8900, "tokens": 4666163200, "loss": 2.825702667236328, "tokens_per_second": 970498.6386046646, "lr": 0.0015, "gradient_norm": 0.08347911387681961, "benchmark": false}
 {"step": 8920, "tokens": 4676648960, "loss": 2.860857391357422, "tokens_per_second": 977166.5448684128, "lr": 0.0015, "gradient_norm": 0.08019018173217773, "benchmark": false}
+{"step": 8940, "tokens": 4687134720, "loss": 2.8259984970092775, "tokens_per_second": 973040.8571244124, "lr": 0.0015, "gradient_norm": 0.0780382826924324, "benchmark": false}
+{"step": 8960, "tokens": 4697620480, "loss": 2.8529546737670897, "tokens_per_second": 969905.4493514767, "lr": 0.0015, "gradient_norm": 0.08122095465660095, "benchmark": false}