Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -766,3 +766,5 @@
 {"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}
+{"step": 15380, "tokens": 8063549440, "loss": 2.764774703979492, "tokens_per_second": 960681.4674944137, "lr": 0.0015, "gradient_norm": 0.11804969608783722, "benchmark": false}
+{"step": 15400, "tokens": 8074035200, "loss": 2.770212745666504, "tokens_per_second": 793080.9519841595, "lr": 0.0015, "gradient_norm": 0.12192878127098083, "benchmark": false}