Yeah, I just saw that pull request. That was a really nice catch! :)
I wish there were an `INLINABLE-ALL-THE-THINGS` flag I could turn on so
that I don't forget these annotations. :)
On 8/10/15 2:05 PM, Michael Thompson wrote:
Dear Tran + Gabriel,
I think I discovered that one easy-to-repair problem with
chunks = L.impurely foldsM (fmap Chunk L.vector) (view (chunksOf
10) nums)
is the very simple one that you forgot the add the characteristic
`Inlinable` to the definition of `Pipes.Group.foldsM`
I sent a
patch. https://github.com/Gabriel439/Haskell-Pipes-Group-Library/pull/6
You can see some timing differences for the programs I mentioned
before in the notes added in
discussion there. I had started to think that FreeT wasn't really
much to blame in this program,
just the use of `next` in the definition of `splitAt`. In fact, as I
note there, the best `FreeT` variant
takes half-again as long an equivalent program using
https://github.com/michaelt/streaming which is
just the obvious 'pipes-like' optimization of `FreeT`
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