Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -208,3 +208,5 @@
 {"step": 4160, "tokens": 2181038080, "loss": 2.981258583068848, "tokens_per_second": 985272.0417482306, "lr": 0.0015, "gradient_norm": 0.12514017522335052, "benchmark": false}
 {"step": 4180, "tokens": 2191523840, "loss": 2.9803936004638674, "tokens_per_second": 979294.5441847291, "lr": 0.0015, "gradient_norm": 0.116953045129776, "benchmark": false}
 {"step": 4200, "tokens": 2202009600, "loss": 2.9926197052001955, "tokens_per_second": 984405.9331565329, "lr": 0.0015, "gradient_norm": 0.09584445506334305, "benchmark": false}
+{"step": 4220, "tokens": 2212495360, "loss": 2.98980655670166, "tokens_per_second": 849521.3373798685, "lr": 0.0015, "gradient_norm": 0.09558536857366562, "benchmark": false}
+{"step": 4240, "tokens": 2222981120, "loss": 2.976529121398926, "tokens_per_second": 983884.5041944423, "lr": 0.0015, "gradient_norm": 0.11071575433015823, "benchmark": false}