Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -756,3 +756,5 @@
 {"step": 15120, "tokens": 7927234560, "loss": 2.7819780349731444, "tokens_per_second": 977709.2087112203, "lr": 0.0015, "gradient_norm": 0.1220981553196907, "benchmark": false}
 {"step": 15140, "tokens": 7937720320, "loss": 2.7758398056030273, "tokens_per_second": 981192.5939934173, "lr": 0.0015, "gradient_norm": 0.1192423552274704, "benchmark": false}
 {"step": 15160, "tokens": 7948206080, "loss": 2.794535827636719, "tokens_per_second": 978395.168341898, "lr": 0.0015, "gradient_norm": 0.11452946811914444, "benchmark": false}
+{"step": 15180, "tokens": 7958691840, "loss": 2.8224889755249025, "tokens_per_second": 993816.7651067976, "lr": 0.0015, "gradient_norm": 0.14984717965126038, "benchmark": false}
+{"step": 15200, "tokens": 7969177600, "loss": 2.743648910522461, "tokens_per_second": 949634.5828433512, "lr": 0.0015, "gradient_norm": 0.10898782312870026, "benchmark": false}