Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -85,3 +85,4 @@
 {"step": 1700, "tokens": 891289600, "loss": 3.2841224670410156, "tokens_per_second": 935487.5310804343, "lr": 0.001275, "gradient_norm": 0.26458561420440674, "benchmark": false}
 {"step": 1720, "tokens": 901775360, "loss": 3.272447967529297, "tokens_per_second": 983097.8905470619, "lr": 0.00129, "gradient_norm": 0.23839032649993896, "benchmark": false}
 {"step": 1740, "tokens": 912261120, "loss": 3.2812328338623047, "tokens_per_second": 980146.4442826945, "lr": 0.001305, "gradient_norm": 0.2654002904891968, "benchmark": false}
+{"step": 1760, "tokens": 922746880, "loss": 3.2421058654785155, "tokens_per_second": 985461.2211911916, "lr": 0.00132, "gradient_norm": 0.2411070019006729, "benchmark": false}