Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -764,3 +764,5 @@
 {"step": 15280, "tokens": 8011120640, "loss": 2.7595916748046876, "tokens_per_second": 978473.4606914566, "lr": 0.0015, "gradient_norm": 0.10250099748373032, "benchmark": false}
 {"step": 15300, "tokens": 8021606400, "loss": 2.7711753845214844, "tokens_per_second": 982610.2796507904, "lr": 0.0015, "gradient_norm": 0.12107187509536743, "benchmark": false}
 {"step": 15320, "tokens": 8032092160, "loss": 2.7694541931152346, "tokens_per_second": 985252.0515802435, "lr": 0.0015, "gradient_norm": 0.1299021989107132, "benchmark": false}
+{"step": 15340, "tokens": 8042577920, "loss": 2.756649398803711, "tokens_per_second": 983524.795475268, "lr": 0.0015, "gradient_norm": 0.1264059990644455, "benchmark": false}
+{"step": 15360, "tokens": 8053063680, "loss": 2.7797285079956056, "tokens_per_second": 990793.6321202533, "lr": 0.0015, "gradient_norm": 0.12407135218381882, "benchmark": false}