Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -944,3 +944,5 @@
 {"step": 18880, "tokens": 9898557440, "loss": 2.7407989501953125, "tokens_per_second": 973234.1554190256, "lr": 0.0015, "gradient_norm": 0.1277577430009842, "benchmark": false}
 {"step": 18900, "tokens": 9909043200, "loss": 2.728755569458008, "tokens_per_second": 971406.7877257998, "lr": 0.0015, "gradient_norm": 0.16711361706256866, "benchmark": false}
 {"step": 18920, "tokens": 9919528960, "loss": 2.7621150970458985, "tokens_per_second": 972782.1484616387, "lr": 0.0015, "gradient_norm": 0.16017542779445648, "benchmark": false}
+{"step": 18940, "tokens": 9930014720, "loss": 2.727202796936035, "tokens_per_second": 973235.1702008498, "lr": 0.0015, "gradient_norm": 0.15433576703071594, "benchmark": false}
+{"step": 18960, "tokens": 9940500480, "loss": 2.751300811767578, "tokens_per_second": 977357.1369480103, "lr": 0.0015, "gradient_norm": 0.14042624831199646, "benchmark": false}