Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -1390,3 +1390,5 @@
 {"step": 27800, "tokens": 14575206400, "loss": 2.723870849609375, "tokens_per_second": 972816.7359314272, "lr": 0.0015, "gradient_norm": 0.16382421553134918, "benchmark": false}
 {"step": 27820, "tokens": 14585692160, "loss": 2.713217926025391, "tokens_per_second": 975075.9961074116, "lr": 0.0015, "gradient_norm": 0.18931762874126434, "benchmark": false}
 {"step": 27840, "tokens": 14596177920, "loss": 2.6997257232666017, "tokens_per_second": 989722.6929217199, "lr": 0.0015, "gradient_norm": 0.1539795845746994, "benchmark": false}
+{"step": 27860, "tokens": 14606663680, "loss": 2.689684295654297, "tokens_per_second": 841727.3918574338, "lr": 0.0015, "gradient_norm": 0.1626945436000824, "benchmark": false}
+{"step": 27880, "tokens": 14617149440, "loss": 2.747370719909668, "tokens_per_second": 970746.5883628117, "lr": 0.0015, "gradient_norm": 0.18976539373397827, "benchmark": false}