Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -603,3 +603,5 @@
 {"step": 12060, "tokens": 6322913280, "loss": 2.8015066146850587, "tokens_per_second": 983909.7219845104, "lr": 0.0015, "gradient_norm": 0.0960715189576149, "benchmark": false}
 {"step": 12080, "tokens": 6333399040, "loss": 2.789211654663086, "tokens_per_second": 986576.222179265, "lr": 0.0015, "gradient_norm": 0.09555419534444809, "benchmark": false}
 {"step": 12100, "tokens": 6343884800, "loss": 2.779342842102051, "tokens_per_second": 839032.7184058921, "lr": 0.0015, "gradient_norm": 0.11269618570804596, "benchmark": false}
+{"step": 12120, "tokens": 6354370560, "loss": 2.8438695907592773, "tokens_per_second": 978023.8552978459, "lr": 0.0015, "gradient_norm": 0.11055967956781387, "benchmark": false}
+{"step": 12140, "tokens": 6364856320, "loss": 2.7945844650268556, "tokens_per_second": 968899.4351001403, "lr": 0.0015, "gradient_norm": 0.1114082932472229, "benchmark": false}