Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -618,3 +618,5 @@
 {"step": 12360, "tokens": 6480199680, "loss": 2.7925689697265623, "tokens_per_second": 975247.0802731954, "lr": 0.0015, "gradient_norm": 0.12145429849624634, "benchmark": false}
 {"step": 12380, "tokens": 6490685440, "loss": 2.8266456604003904, "tokens_per_second": 965313.8964469638, "lr": 0.0015, "gradient_norm": 0.11399828642606735, "benchmark": false}
 {"step": 12400, "tokens": 6501171200, "loss": 2.78804988861084, "tokens_per_second": 960203.670722355, "lr": 0.0015, "gradient_norm": 0.08776278793811798, "benchmark": false}
+{"step": 12420, "tokens": 6511656960, "loss": 2.8205455780029296, "tokens_per_second": 981290.9366722134, "lr": 0.0015, "gradient_norm": 0.10064391046762466, "benchmark": false}
+{"step": 12440, "tokens": 6522142720, "loss": 2.7763082504272463, "tokens_per_second": 950548.1511525006, "lr": 0.0015, "gradient_norm": 0.10321742296218872, "benchmark": false}