Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -341,3 +341,5 @@
 {"step": 6820, "tokens": 3575644160, "loss": 2.8935791015625, "tokens_per_second": 967642.582004313, "lr": 0.0015, "gradient_norm": 0.06292393803596497, "benchmark": false}
 {"step": 6840, "tokens": 3586129920, "loss": 2.868268585205078, "tokens_per_second": 970204.0368372373, "lr": 0.0015, "gradient_norm": 0.07326362282037735, "benchmark": false}
 {"step": 6860, "tokens": 3596615680, "loss": 2.8625717163085938, "tokens_per_second": 963394.0123208913, "lr": 0.0015, "gradient_norm": 0.06395010650157928, "benchmark": false}
+{"step": 6880, "tokens": 3607101440, "loss": 2.8578704833984374, "tokens_per_second": 968473.5591813832, "lr": 0.0015, "gradient_norm": 0.06727306544780731, "benchmark": false}
+{"step": 6900, "tokens": 3617587200, "loss": 2.8689924240112306, "tokens_per_second": 968370.5294312906, "lr": 0.0015, "gradient_norm": 0.06945327669382095, "benchmark": false}