Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -1369,3 +1369,4 @@
 {"step": 27380, "tokens": 14355005440, "loss": 2.722399139404297, "tokens_per_second": 974914.0950692896, "lr": 0.0015, "gradient_norm": 0.22382064163684845, "benchmark": false}
 {"step": 27400, "tokens": 14365491200, "loss": 2.714438629150391, "tokens_per_second": 973640.3224892041, "lr": 0.0015, "gradient_norm": 0.17069153487682343, "benchmark": false}
 {"step": 27420, "tokens": 14375976960, "loss": 2.7425457000732423, "tokens_per_second": 975793.2755096899, "lr": 0.0015, "gradient_norm": 0.17039325833320618, "benchmark": false}
+{"step": 27440, "tokens": 14386462720, "loss": 2.705694580078125, "tokens_per_second": 843683.6538941357, "lr": 0.0015, "gradient_norm": 0.22451409697532654, "benchmark": false}