Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -428,3 +428,5 @@
 {"step": 8560, "tokens": 4487905280, "loss": 2.8743804931640624, "tokens_per_second": 989434.2025171588, "lr": 0.0015, "gradient_norm": 0.07578735798597336, "benchmark": false}
 {"step": 8580, "tokens": 4498391040, "loss": 2.8719303131103517, "tokens_per_second": 996385.3052255794, "lr": 0.0015, "gradient_norm": 0.07415588945150375, "benchmark": false}
 {"step": 8600, "tokens": 4508876800, "loss": 2.8513208389282227, "tokens_per_second": 817336.110214322, "lr": 0.0015, "gradient_norm": 0.07281629741191864, "benchmark": false}
+{"step": 8620, "tokens": 4519362560, "loss": 2.851582336425781, "tokens_per_second": 981862.5869522684, "lr": 0.0015, "gradient_norm": 0.07156715542078018, "benchmark": false}
+{"step": 8640, "tokens": 4529848320, "loss": 2.846792793273926, "tokens_per_second": 983676.0638463337, "lr": 0.0015, "gradient_norm": 0.06907733529806137, "benchmark": false}