Re: [Haskell-cafe] Optimizing performance problems with Aeson rendering large Text arrays

On Feb 1, 2013 1:15 PM, "Oliver Charles" wrote:

Urgh, the formatting got totally destroyed in sending, I think. If so,

here's a paste of my email as I intended it to be sent:

http://hpaste.org/81648

Sorry about that! - Ocharles

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If I make a special case for text based UUIDs in aeson: data Value = ... | UUID Text | ... Data.Aeson.Encode.fromValue (UUID s) = singleton '"' <> fromText s <> singleton '"' Then encoding time improves by 20%. So a big part of the time is spent encoding the UUID strings. Bas