Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -845,3 +845,5 @@
 {"step": 16900, "tokens": 8860467200, "loss": 2.7646034240722654, "tokens_per_second": 977381.1207010148, "lr": 0.0015, "gradient_norm": 0.13809148967266083, "benchmark": false}
 {"step": 16920, "tokens": 8870952960, "loss": 2.767935943603516, "tokens_per_second": 976473.568332828, "lr": 0.0015, "gradient_norm": 0.12858952581882477, "benchmark": false}
 {"step": 16940, "tokens": 8881438720, "loss": 2.787833404541016, "tokens_per_second": 988446.4059700933, "lr": 0.0015, "gradient_norm": 0.13221263885498047, "benchmark": false}
+{"step": 16960, "tokens": 8891924480, "loss": 2.739687919616699, "tokens_per_second": 946188.3591020354, "lr": 0.0015, "gradient_norm": 0.15024445950984955, "benchmark": false}
+{"step": 16980, "tokens": 8902410240, "loss": 2.764535331726074, "tokens_per_second": 975047.8654111625, "lr": 0.0015, "gradient_norm": 0.1423749327659607, "benchmark": false}