Alexander Biehl

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Any progress on this? I am looking for an implementation of a neural network supporting momentum, do you know any alternatives?

It feels like the ecosystem is slowly moving away from monad-control. It would be great if this PR could be considered for merge.

Ok, I see. As a side note, some parsers use the failing parser as identity for `Alternative` have you considered that? (And: I can't find the `Alternative` laws in `base`...

This looks awesome! Can I help to finish this one off?

Since appending a bytestring is not atomic we can first write to a temporary file and rename that to the correct log file name. Renaming _is_ atomic. That way a...

@neongreen no, if the rename/move happens on the same filesystem its simply a matter of changing some inode pointers so its pretty cheap. If you move a file to different...

Ah, I see your point. The route via temporary files would need a `cutFileLog (localCheckpoints acidState)` somewhere in `createLocalCheckpoint`. I don't think this would be too bad actually. Having one...

@neongreen yes, it uses the same `FileLog` for checkpoints and for events so one or more checkpoints per log file are possible.

Can we have this? I am profiling a lot lately and I am tripping this quite often. @23Skidoo

(Or in general allow efficient encoding of this composite keys)