It's nice that we're at least going back to installing heat pumps, but it's frustrating to see that heat pumps with a reversing valve so that they can also cool are not part of the discussion.
I get that we're trying to avoid adding even more peaks on an already full grid, but heat waves are […]
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Original post on mathstodon.xyz
![Claude screenshot: 4. The mask update lags one block. mask[:seen] = True then seen += block means at iteration ibl you mark blocks 0..ibl−1 — the block you just encoded is excluded, so training never sees the most recent block. Prequentially you're allowed to train on everything encoded so far, including the current block. Increment first, then mark (this also matters for the bpd display, which currently divides current-block cost by a count that... actually the bpd is fine since you divide after incrementing, but the training mask is off by one).](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:tg2ausiezysjhmoo2hynz7d2/bafkreiasqqjldryqphjtywo5jf6uyakvhjtlxzva4z5kcnv2rybmhb4gvm)
