Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -105,3 +105,5 @@
 {"step": 2100, "tokens": 1101004800, "loss": 3.149315071105957, "tokens_per_second": 972722.8815786674, "lr": 0.0015, "gradient_norm": 0.23319050669670105, "benchmark": false}
 {"step": 2120, "tokens": 1111490560, "loss": 3.1842678070068358, "tokens_per_second": 988782.2398544162, "lr": 0.0015, "gradient_norm": 0.285098671913147, "benchmark": false}
 {"step": 2140, "tokens": 1121976320, "loss": 3.2177654266357423, "tokens_per_second": 946337.1330300244, "lr": 0.0015, "gradient_norm": 0.24716462194919586, "benchmark": false}
+{"step": 2160, "tokens": 1132462080, "loss": 3.188395690917969, "tokens_per_second": 859025.2571253291, "lr": 0.0015, "gradient_norm": 0.24048778414726257, "benchmark": false}
+{"step": 2180, "tokens": 1142947840, "loss": 3.167164611816406, "tokens_per_second": 981226.4706485842, "lr": 0.0015, "gradient_norm": 0.23292778432369232, "benchmark": false}