Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -782,3 +782,5 @@
 {"step": 15640, "tokens": 8199864320, "loss": 2.719218063354492, "tokens_per_second": 982338.551020601, "lr": 0.0015, "gradient_norm": 0.12276970595121384, "benchmark": false}
 {"step": 15660, "tokens": 8210350080, "loss": 2.752928924560547, "tokens_per_second": 981419.9544678394, "lr": 0.0015, "gradient_norm": 0.12405300885438919, "benchmark": false}
 {"step": 15680, "tokens": 8220835840, "loss": 2.7423049926757814, "tokens_per_second": 992086.454896566, "lr": 0.0015, "gradient_norm": 0.1774618923664093, "benchmark": false}
+{"step": 15700, "tokens": 8231321600, "loss": 2.7865814208984374, "tokens_per_second": 988008.8031671712, "lr": 0.0015, "gradient_norm": 0.1288478523492813, "benchmark": false}
+{"step": 15720, "tokens": 8241807360, "loss": 2.7889198303222655, "tokens_per_second": 982714.2016490992, "lr": 0.0015, "gradient_norm": 0.12388283014297485, "benchmark": false}