Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -162,3 +162,5 @@
 {"step": 3240, "tokens": 1698693120, "loss": 3.037614440917969, "tokens_per_second": 967045.3812131445, "lr": 0.0015, "gradient_norm": 0.1508370041847229, "benchmark": false}
 {"step": 3260, "tokens": 1709178880, "loss": 3.0596263885498045, "tokens_per_second": 970383.7742291628, "lr": 0.0015, "gradient_norm": 0.148663729429245, "benchmark": false}
 {"step": 3280, "tokens": 1719664640, "loss": 3.0442033767700196, "tokens_per_second": 965969.0147663327, "lr": 0.0015, "gradient_norm": 0.17235177755355835, "benchmark": false}
+{"step": 3300, "tokens": 1730150400, "loss": 3.0775251388549805, "tokens_per_second": 976864.9814652608, "lr": 0.0015, "gradient_norm": 0.14954322576522827, "benchmark": false}
+{"step": 3320, "tokens": 1740636160, "loss": 3.0704534530639647, "tokens_per_second": 978593.0228445381, "lr": 0.0015, "gradient_norm": 0.14354996383190155, "benchmark": false}