Update tokenizer, configuration and training reports

reports/run/metrics.jsonl

@@ -158,3 +158,5 @@
 {"step": 3160, "tokens": 1656750080, "loss": 3.035442924499512, "tokens_per_second": 972833.7186925057, "lr": 0.0015, "gradient_norm": 0.1703290045261383, "benchmark": false}
 {"step": 3180, "tokens": 1667235840, "loss": 3.041324996948242, "tokens_per_second": 940559.5481778823, "lr": 0.0015, "gradient_norm": 0.15705615282058716, "benchmark": false}
 {"step": 3200, "tokens": 1677721600, "loss": 3.046498107910156, "tokens_per_second": 973834.5066184303, "lr": 0.0015, "gradient_norm": 0.15410611033439636, "benchmark": false}
+{"step": 3220, "tokens": 1688207360, "loss": 3.0478410720825195, "tokens_per_second": 963905.1910754426, "lr": 0.0015, "gradient_norm": 0.14934739470481873, "benchmark": false}
+{"step": 3240, "tokens": 1698693120, "loss": 3.037614440917969, "tokens_per_second": 967045.3812131445, "lr": 0.0015, "gradient_norm": 0.1508370041847229, "benchmark": false}