Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -193,3 +193,5 @@
 {"step": 3860, "tokens": 2023751680, "loss": 2.967877006530762, "tokens_per_second": 977967.674142663, "lr": 0.0015, "gradient_norm": 0.11864820122718811, "benchmark": false}
 {"step": 3880, "tokens": 2034237440, "loss": 3.0211723327636717, "tokens_per_second": 974406.2258280913, "lr": 0.0015, "gradient_norm": 0.12529462575912476, "benchmark": false}
 {"step": 3900, "tokens": 2044723200, "loss": 2.9944433212280273, "tokens_per_second": 979193.8035194282, "lr": 0.0015, "gradient_norm": 0.10861857980489731, "benchmark": false}
+{"step": 3920, "tokens": 2055208960, "loss": 2.9812715530395506, "tokens_per_second": 981608.6602078674, "lr": 0.0015, "gradient_norm": 0.11419326812028885, "benchmark": false}
+{"step": 3940, "tokens": 2065694720, "loss": 3.01178035736084, "tokens_per_second": 980920.9083517338, "lr": 0.0015, "gradient_norm": 0.09572461247444153, "benchmark": false}