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module Main where
import Criterion.Main
import qualified Data.Text.Lazy as C
import qualified Data.Text.Lazy.Builder as B
import qualified Text.Builder as A
import Prelude
main :: IO ()
main =
defaultMain
$ [ subjectBenchmark "builderSubject" builderSubject,
subjectBenchmark "lazyTextBuilderSubject" lazyTextBuilderSubject
]
subjectBenchmark :: String -> Subject -> Benchmark
subjectBenchmark title subject =
bgroup title
$ [ benchmark "Small input" smallSample subject,
benchmark "Large input" largeSample subject
]
benchmark :: String -> Sample -> Subject -> Benchmark
benchmark title sample subject =
bench title $ nf sample $ subject
data Subject
= forall a. Subject (Text -> a) (a -> a -> a) a (a -> Text)
type Sample =
Subject -> Text
builderSubject :: Subject
builderSubject =
Subject A.text mappend mempty A.run
lazyTextBuilderSubject :: Subject
lazyTextBuilderSubject =
Subject B.fromText mappend mempty (C.toStrict . B.toLazyText)
{-# NOINLINE smallSample #-}
smallSample :: Sample
smallSample (Subject text (<>) mempty run) =
run
$ text "abcd"
<> (text "ABCD" <> text "Фываолдж")
<> text "漢"
{-# NOINLINE largeSample #-}
largeSample :: Sample
largeSample (Subject text (<>) mempty run) =
run
$ foldl' (<>) mempty
$ replicate 100000
$ text "abcd"
<> (text "ABCD" <> text "Фываолдж")
<> text "漢"
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