seebs

Someone in gopher slack #performance pointed out that, in fact, it's not zero that's magical. It's antisorted behavior; for instance, a 2 followed by many 1s gets the same failure...

I could try out the histogram thing, I think for our use case it's slightly more convenient if the quantile is present in the reported data but we could probably...

Okay, updated to drop the excess parens and use a more accurate symbolic name, which I think makes the intent clearer. Probably.

The "actual size" is what the drive probes as when plugged in on USB; exactly 8,192,000 bytes, or 16,000 512-byte blocks. I didn't try to write to the card, because...

I spot-checked the code, and so far as I can tell, the actual-size-read is consistently used for everything except the header checks. It might fail strangely with copying *to* the...