Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -414,3 +414,5 @@
 {"step": 8280, "tokens": 4341104640, "loss": 2.8443761825561524, "tokens_per_second": 978898.542667765, "lr": 0.0015, "gradient_norm": 0.0756574273109436, "benchmark": false}
 {"step": 8300, "tokens": 4351590400, "loss": 2.863620948791504, "tokens_per_second": 984564.5346263158, "lr": 0.0015, "gradient_norm": 0.22140026092529297, "benchmark": false}
 {"step": 8320, "tokens": 4362076160, "loss": 2.8651077270507814, "tokens_per_second": 990403.7086676916, "lr": 0.0015, "gradient_norm": 0.08052444458007812, "benchmark": false}
+{"step": 8340, "tokens": 4372561920, "loss": 2.852044677734375, "tokens_per_second": 854154.1549039799, "lr": 0.0015, "gradient_norm": 0.08032067865133286, "benchmark": false}
+{"step": 8360, "tokens": 4383047680, "loss": 2.8418451309204102, "tokens_per_second": 980239.3377897158, "lr": 0.0015, "gradient_norm": 0.07009512186050415, "benchmark": false}