@@ -8,6 +8,7 @@
88{-# LANGUAGE CPP #-}
99{-# LANGUAGE FlexibleContexts #-}
1010{-# LANGUAGE ScopedTypeVariables #-}
11+{-# OPTIONS_GHC -Wno-orphans #-}
1112
1213#ifdef __HADDOCK_VERSION__
1314#undef INSPECTION
@@ -20,19 +21,23 @@
2021
2122module Main (main) where
2223
24+#if !MIN_VERSION_base(4,18,0)
25+import Control.Applicative (liftA2)
26+#endif
2327import Control.Monad (when)
2428import Data.Maybe (isJust)
2529import System.Random (randomRIO)
2630import Prelude hiding
27− (tail, mapM_, foldl, last, map, mapM, concatMap, zip, init)
31+ ( Foldable(..), tail, mapM_, last, map, mapM, concatMap, zipWith, init, iterate
32+ , repeat, replicate
33+ )
2834
2935import qualified Prelude as P
3036import qualified Data.List as List
3137
32−import qualified Streamly.Internal.Data.Stream.StreamK as S
33−import qualified Streamly.Internal.Data.SVar as S
38+import qualified Streamly.Internal.Data.StreamK as S
3439
35−import Gauge (bench, nfIO, bgroup, Benchmark, defaultMain)
40+import Test.Tasty.Bench (bench, nfIO, bgroup, Benchmark, defaultMain)
3641
3742import Streamly.Benchmark.Common
3843
@@ -40,95 +45,161 @@ import Streamly.Benchmark.Common
4045import Test.Inspection
4146#endif
4247
43−value, value2, value3, value16, maxValue :: Int
44−value = 100000
45−value2 = round (P.fromIntegral value**(1/2::P.Double)) -- double nested loop
46−value3 = round (P.fromIntegral value**(1/3::P.Double)) -- triple nested loop
47−value16 = round (P.fromIntegral value**(1/16::P.Double)) -- triple nested loop
48−maxValue = value
48+{-
49+
50+Benchmarks that need to be added
51+
52+-- fromList
53+
54+-- bindWith
55+-- concatPairsWith
56+-- apWith
57+-- apSerial
58+-- apSerialDiscardFst
59+-- apSerialDiscardSnd
60+
61+-- the
62+-- serial
63+-- consMStream
64+-- withLocal
65+-- mfix
66+
67+-- elem
68+-- notElem
69+-- all
70+-- any
71+-- minimum
72+-- minimumBy
73+-- maximum
74+-- maximumBy
75+-- findIndices
76+-- lookup
77+-- findM
78+-- find
79+-- (!!)
80+
81+-- foldlM'
82+-- foldlT
83+-- foldlx'
84+-- foldlMx'
85+-- fold
86+
87+-- sequence
88+
89+-- foldrSM
90+-- buildS
91+-- buildM
92+-- augmentS
93+-- augmentSM
94+-- foldr
95+-- foldr1
96+-- foldrM
97+-- foldrT
98+
99+-- intersperseM
100+-- insertBy
101+-- deleteBy
102+-- reverse
103+-- mapMaybe
104+
105+-- zipWithM
106+-- mergeBy
107+-- mergeByM
108+
109+-- toStreamK (Probably can be skipped)
110+-- hoist
111+
112+-- scanlx'
113+
114+-}
49115
50116-------------------------------------------------------------------------------
51117-- Stream generation and elimination
52118-------------------------------------------------------------------------------
53119
54−type Stream m a = S.Stream m a
55−
56−{-# INLINE sourceUnfoldr #-}
57−sourceUnfoldr :: Int -> Stream m Int
58−sourceUnfoldr n = S.unfoldr step n
59− where
60− step cnt =
61− if cnt > n + value
62− then Nothing
63− else Just (cnt, cnt + 1)
120+type Stream m a = S.StreamK m a
64121
65−{-# INLINE sourceUnfoldrN #-}
66−sourceUnfoldrN :: Int -> Int -> Stream m Int
67−sourceUnfoldrN m n = S.unfoldr step n
122+{-# INLINE unfoldr #-}
123+unfoldr :: Int -> Int -> Stream m Int
124+unfoldr streamLen n = S.unfoldr step n
68125 where
69126 step cnt =
70− if cnt > n + m
127+ if cnt > n + streamLen
71128 then Nothing
72129 else Just (cnt, cnt + 1)
73130
74−{-# INLINE sourceUnfoldrM #-}
75−sourceUnfoldrM :: S.MonadAsync m => Int -> Stream m Int
76−sourceUnfoldrM n = S.unfoldrM step n
131+{-# INLINE unfoldrM #-}
132+unfoldrM :: Monad m => Int -> Int -> Stream m Int
133+unfoldrM streamLen n = S.unfoldrMWith S.consM step n
77134 where
78135 step cnt =
79− if cnt > n + value
136+ if cnt > n + streamLen
80137 then return Nothing
81138 else return (Just (cnt, cnt + 1))
82139
83−{-# INLINE sourceUnfoldrMN #-}
84−sourceUnfoldrMN :: S.MonadAsync m => Int -> Int -> Stream m Int
85−sourceUnfoldrMN m n = S.unfoldrM step n
86− where
87− step cnt =
88− if cnt > n + m
89− then return Nothing
90− else return (Just (cnt, cnt + 1))
140+{-# INLINE repeat #-}
141+repeat :: Int -> Int -> Stream m Int
142+repeat streamLen = S.take streamLen . S.repeat
91143
92−{-# INLINE sourceFromFoldable #-}
93−sourceFromFoldable :: Int -> Stream m Int
94−sourceFromFoldable n = S.fromFoldable [n..n+value]
144+{-# INLINE repeatM #-}
145+repeatM :: Monad m => Int -> Int -> Stream m Int
146+repeatM streamLen = S.take streamLen . S.repeatM . return
95147
96−{-# INLINE sourceFromFoldableM #-}
97−sourceFromFoldableM :: S.MonadAsync m => Int -> Stream m Int
98−sourceFromFoldableM n =
99− Prelude.foldr S.consM S.nil (Prelude.fmap return [n..n+value])
148+{-# INLINE replicate #-}
149+replicate :: Int -> Int -> Stream m Int
150+replicate = S.replicate
100151
101−{-# INLINABLE concatMapFoldableWith #-}
102−concatMapFoldableWith :: (S.IsStream t, Foldable f)
103− => (t m b -> t m b -> t m b) -> (a -> t m b) -> f a -> t m b
104−concatMapFoldableWith f g = Prelude.foldr (f . g) S.nil
152+{-# INLINE replicateM #-}
153+replicateM :: Monad m => Int -> Int -> Stream m Int
154+replicateM streamLen = S.replicateMWith S.consM streamLen . return
155+
156+{-# INLINE iterate #-}
157+iterate :: Int -> Int -> Stream m Int
158+iterate streamLen = S.take streamLen . S.iterate (+1)
105159
106−{-# INLINE sourceFoldMapWith #-}
107−sourceFoldMapWith :: Int -> Stream m Int
108−sourceFoldMapWith n = concatMapFoldableWith S.serial S.yield [n..n+value]
160+{-# INLINE iterateM #-}
161+iterateM :: Monad m => Int -> Int -> Stream m Int
162+iterateM streamLen = S.take streamLen . S.iterateM (return . (+1)) . return
109163
110−{-# INLINE sourceFoldMapWithM #-}
111−sourceFoldMapWithM :: Monad m => Int -> Stream m Int
112−sourceFoldMapWithM n =
113− concatMapFoldableWith S.serial (S.yieldM . return) [n..n+value]
164+{-# INLINE fromFoldable #-}
165+fromFoldable :: Int -> Int -> Stream m Int
166+fromFoldable streamLen n = S.fromFoldable [n..n+streamLen]
167+
168+{-# INLINE fromFoldableM #-}
169+fromFoldableM :: Monad m => Int -> Int -> Stream m Int
170+fromFoldableM streamLen n =
171+ List.foldr S.consM S.nil (Prelude.fmap return [n..n+streamLen])
172+
173+{-# INLINABLE concatMapFoldableWith #-}
174+concatMapFoldableWith :: P.Foldable f
175+ => (Stream m b -> Stream m b -> Stream m b)
176+ -> (a -> Stream m b)
177+ -> f a
178+ -> Stream m b
179+concatMapFoldableWith f g = P.foldr (f . g) S.nil
180+
181+{-# INLINE concatMapFoldableSerial #-}
182+concatMapFoldableSerial :: Int -> Int -> Stream m Int
183+concatMapFoldableSerial streamLen n =
184+ concatMapFoldableWith S.append S.fromPure [n..n+streamLen]
185+
186+{-# INLINE concatMapFoldableSerialM #-}
187+concatMapFoldableSerialM :: Monad m => Int -> Int -> Stream m Int
188+concatMapFoldableSerialM streamLen n =
189+ concatMapFoldableWith S.append (S.fromEffect . return) [n..n+streamLen]
114190
115191-------------------------------------------------------------------------------
116192-- Elimination
117193-------------------------------------------------------------------------------
118194
119−{-# INLINE runStream #-}
120−runStream :: Monad m => Stream m a -> m ()
121−runStream = S.drain
122−-- runStream = S.mapM_ (\_ -> return ())
195+{-# INLINE drain #-}
196+drain :: Monad m => Stream m a -> m ()
197+drain = S.drain
123198
124199{-# INLINE mapM_ #-}
125200mapM_ :: Monad m => Stream m a -> m ()
126201mapM_ = S.mapM_ (\_ -> return ())
127202
128−{-# INLINE toNull #-}
129−toNull :: Monad m => Stream m Int -> m ()
130−toNull = runStream
131−
132203{-# INLINE uncons #-}
133204uncons :: Monad m => Stream m Int -> m ()
134205uncons s = do
@@ -138,13 +209,13 @@ uncons s = do
138209 Just (_, t) -> uncons t
139210
140211{-# INLINE init #-}
141−init :: (Monad m, S.IsStream t) => t m a -> m ()
212+init :: Monad m => Stream m a -> m ()
142213init s = do
143214 t <- S.init s
144215 P.mapM_ S.drain t
145216
146217{-# INLINE tail #-}
147−tail :: (Monad m, S.IsStream t) => t m a -> m ()
218+tail :: Monad m => Stream m a -> m ()
148219tail s = S.tail s >>= P.mapM_ tail
149220
150221{-# INLINE nullTail #-}
@@ -163,9 +234,9 @@ headTail s = do
163234toList :: Monad m => Stream m Int -> m [Int]
164235toList = S.toList
165236
166−{-# INLINE foldl #-}
167−foldl :: Monad m => Stream m Int -> m Int
168−foldl = S.foldl' (+) 0
237+{-# INLINE foldl' #-}
238+foldl' :: Monad m => Stream m Int -> m Int
239+foldl' = S.foldl' (+) 0
169240
170241{-# INLINE last #-}
171242last :: Monad m => Stream m Int -> m (Maybe Int)
@@ -175,40 +246,36 @@ last = S.last
175246-- Transformation
176247-------------------------------------------------------------------------------
177248
178−{-# INLINE transform #-}
179−transform :: Monad m => Stream m a -> m ()
180−transform = runStream
181−
182249{-# INLINE composeN #-}
183250composeN
184251 :: Monad m
185252 => Int -> (Stream m Int -> Stream m Int) -> Stream m Int -> m ()
186253composeN n f =
187254 case n of
188− 1 -> transform . f
189− 2 -> transform . f . f
190− 3 -> transform . f . f . f
191− 4 -> transform . f . f . f . f
255+ 1 -> drain . f
256+ 2 -> drain . f . f
257+ 3 -> drain . f . f . f
258+ 4 -> drain . f . f . f . f
192259 _ -> undefined
193260
194−{-# INLINE scan #-}
195−scan :: Monad m => Int -> Stream m Int -> m ()
196−scan n = composeN n $ S.scanl' (+) 0
261+{-# INLINE scanl' #-}
262+scanl' :: Monad m => Int -> Stream m Int -> m ()
263+scanl' n = composeN n $ S.scanl' (+) 0
197264
198265{-# INLINE map #-}
199266map :: Monad m => Int -> Stream m Int -> m ()
200−map n = composeN n $ P.fmap (+ 1)
267+map n = composeN n $ S.map (+ 1)
201268
202269{-# INLINE fmapK #-}
203270fmapK :: Monad m => Int -> Stream m Int -> m ()
204271fmapK n = composeN n $ P.fmap (+ 1)
205272
206273{-# INLINE mapM #-}
207−mapM :: S.MonadAsync m => Int -> Stream m Int -> m ()
208−mapM n = composeN n $ S.mapM return
274+mapM :: Monad m => Int -> Stream m Int -> m ()
275+mapM n = composeN n $ S.mapMWith S.consM return
209276
210277{-# INLINE mapMSerial #-}
211−mapMSerial :: S.MonadAsync m => Int -> Stream m Int -> m ()
278+mapMSerial :: Monad m => Int -> Stream m Int -> m ()
212279mapMSerial n = composeN n $ S.mapMSerial return
213280
214281{-# INLINE filterEven #-}
@@ -216,36 +283,36 @@ filterEven :: Monad m => Int -> Stream m Int -> m ()
216283filterEven n = composeN n $ S.filter even
217284
218285{-# INLINE filterAllOut #-}
219−filterAllOut :: Monad m => Int -> Stream m Int -> m ()
220−filterAllOut n = composeN n $ S.filter (> maxValue)
286+filterAllOut :: Monad m => Int -> Int -> Stream m Int -> m ()
287+filterAllOut streamLen n = composeN n $ S.filter (> streamLen)
221288
222289{-# INLINE filterAllIn #-}
223−filterAllIn :: Monad m => Int -> Stream m Int -> m ()
224−filterAllIn n = composeN n $ S.filter (<= maxValue)
290+filterAllIn :: Monad m => Int -> Int -> Stream m Int -> m ()
291+filterAllIn streamLen n = composeN n $ S.filter (<= streamLen)
225292
226293{-# INLINE _takeOne #-}
227294_takeOne :: Monad m => Int -> Stream m Int -> m ()
228295_takeOne n = composeN n $ S.take 1
229296
230297{-# INLINE takeAll #-}
231−takeAll :: Monad m => Int -> Stream m Int -> m ()
232−takeAll n = composeN n $ S.take maxValue
298+takeAll :: Monad m => Int -> Int -> Stream m Int -> m ()
299+takeAll streamLen n = composeN n $ S.take streamLen
233300
234301{-# INLINE takeWhileTrue #-}
235−takeWhileTrue :: Monad m => Int -> Stream m Int -> m ()
236−takeWhileTrue n = composeN n $ S.takeWhile (<= maxValue)
302+takeWhileTrue :: Monad m => Int -> Int -> Stream m Int -> m ()
303+takeWhileTrue streamLen n = composeN n $ S.takeWhile (<= streamLen)
237304
238305{-# INLINE dropOne #-}
239306dropOne :: Monad m => Int -> Stream m Int -> m ()
240307dropOne n = composeN n $ S.drop 1
241308
242309{-# INLINE dropAll #-}
243−dropAll :: Monad m => Int -> Stream m Int -> m ()
244−dropAll n = composeN n $ S.drop maxValue
310+dropAll :: Monad m => Int -> Int -> Stream m Int -> m ()
311+dropAll streamLen n = composeN n $ S.drop streamLen
245312
246313{-# INLINE dropWhileTrue #-}
247−dropWhileTrue :: Monad m => Int -> Stream m Int -> m ()
248−dropWhileTrue n = composeN n $ S.dropWhile (<= maxValue)
314+dropWhileTrue :: Monad m => Int -> Int -> Stream m Int -> m ()
315+dropWhileTrue streamLen n = composeN n $ S.dropWhile (<= streamLen)
249316
250317{-# INLINE dropWhileFalse #-}
251318dropWhileFalse :: Monad m => Int -> Stream m Int -> m ()
@@ -260,64 +327,76 @@ foldlS :: Monad m => Int -> Stream m Int -> m ()
260327foldlS n = composeN n $ S.foldlS (flip S.cons) S.nil
261328
262329{-# INLINE intersperse #-}
263−intersperse :: S.MonadAsync m => Int -> Stream m Int -> m ()
264−intersperse n = composeN n $ S.intersperse maxValue
330+intersperse :: Monad m => Int -> Int -> Stream m Int -> m ()
331+intersperse streamLen n = composeN n $ S.intersperse streamLen
265332
266333-------------------------------------------------------------------------------
267334-- Iteration
268335-------------------------------------------------------------------------------
269336
270−iterStreamLen, maxIters :: Int
271−iterStreamLen = 10
272−maxIters = 10000
273−
274337{-# INLINE iterateSource #-}
275338iterateSource
276− :: S.MonadAsync m
277− => (Stream m Int -> Stream m Int) -> Int -> Int -> Stream m Int
278−iterateSource g i n = f i (sourceUnfoldrMN iterStreamLen n)
339+ :: Monad m => Int -> (Stream m Int -> Stream m Int) -> Int -> Int -> Stream m Int
340+iterateSource iterStreamLen g i n = f i (unfoldrM iterStreamLen n)
279341 where
280342 f (0 :: Int) m = g m
281343 f x m = g (f (x P.- 1) m)
282344
283345-- this is quadratic
284346{-# INLINE iterateScan #-}
285−iterateScan :: S.MonadAsync m => Int -> Stream m Int
286−iterateScan = iterateSource (S.scanl' (+) 0) (maxIters `div` 10)
347+iterateScan :: Monad m => Int -> Int -> Int -> Stream m Int
348+iterateScan iterStreamLen maxIters =
349+ iterateSource iterStreamLen (S.scanl' (+) 0) (maxIters `div` 10)
287350
288351-- this is quadratic
289352{-# INLINE iterateDropWhileFalse #-}
290−iterateDropWhileFalse :: S.MonadAsync m => Int -> Stream m Int
291−iterateDropWhileFalse =
292− iterateSource (S.dropWhile (> maxValue)) (maxIters `div` 10)
353+iterateDropWhileFalse :: Monad m => Int -> Int -> Int -> Int -> Stream m Int
354+iterateDropWhileFalse streamLen iterStreamLen maxIters =
355+ iterateSource iterStreamLen (S.dropWhile (> streamLen)) (maxIters `div` 10)
293356
294357{-# INLINE iterateMapM #-}
295−iterateMapM :: S.MonadAsync m => Int -> Stream m Int
296−iterateMapM = iterateSource (S.mapM return) maxIters
358+iterateMapM :: Monad m => Int -> Int -> Int -> Stream m Int
359+iterateMapM iterStreamLen =
360+ iterateSource iterStreamLen (S.mapMWith S.consM return)
297361
298362{-# INLINE iterateFilterEven #-}
299−iterateFilterEven :: S.MonadAsync m => Int -> Stream m Int
300−iterateFilterEven = iterateSource (S.filter even) maxIters
363+iterateFilterEven :: Monad m => Int -> Int -> Int -> Stream m Int
364+iterateFilterEven iterStreamLen = iterateSource iterStreamLen (S.filter even)
301365
302366{-# INLINE iterateTakeAll #-}
303−iterateTakeAll :: S.MonadAsync m => Int -> Stream m Int
304−iterateTakeAll = iterateSource (S.take maxValue) maxIters
367+iterateTakeAll :: Monad m => Int -> Int -> Int -> Int -> Stream m Int
368+iterateTakeAll streamLen iterStreamLen =
369+ iterateSource iterStreamLen (S.take streamLen)
305370
306371{-# INLINE iterateDropOne #-}
307−iterateDropOne :: S.MonadAsync m => Int -> Stream m Int
308−iterateDropOne = iterateSource (S.drop 1) maxIters
372+iterateDropOne :: Monad m => Int -> Int -> Int -> Stream m Int
373+iterateDropOne iterStreamLen = iterateSource iterStreamLen (S.drop 1)
309374
310375{-# INLINE iterateDropWhileTrue #-}
311−iterateDropWhileTrue :: S.MonadAsync m => Int -> Stream m Int
312−iterateDropWhileTrue = iterateSource (S.dropWhile (<= maxValue)) maxIters
376+iterateDropWhileTrue ::
377+ Monad m => Int -> Int -> Int -> Int -> Stream m Int
378+iterateDropWhileTrue streamLen iterStreamLen =
379+ iterateSource iterStreamLen (S.dropWhile (<= streamLen))
313380
314381-------------------------------------------------------------------------------
315382-- Zipping
316383-------------------------------------------------------------------------------
317384
318−{-# INLINE zip #-}
319−zip :: Monad m => Stream m Int -> m ()
320−zip src = transform $ S.zipWith (,) src src
385+{-# INLINE zipWith #-}
386+zipWith :: Monad m => Stream m Int -> m ()
387+zipWith src = drain $ S.zipWith (,) src src
388+
389+{-# INLINE zipWithM #-}
390+zipWithM :: Monad m => Stream m Int -> m ()
391+zipWithM src = drain $ S.zipWithM (curry return) src src
392+
393+{-# INLINE sortByK #-}
394+sortByK :: (a -> a -> Ordering) -> Stream m a -> Stream m a
395+sortByK f = S.mergeMapWith (S.mergeBy f) S.fromPure
396+
397+{-# INLINE sortBy #-}
398+sortBy :: Monad m => Stream m Int -> m ()
399+sortBy = drain . sortByK compare
321400
322401-------------------------------------------------------------------------------
323402-- Mixed Composition
@@ -336,32 +415,32 @@ dropScan :: Monad m => Int -> Stream m Int -> m ()
336415dropScan n = composeN n $ S.scanl' (+) 0 . S.drop 1
337416
338417{-# INLINE takeDrop #-}
339−takeDrop :: Monad m => Int -> Stream m Int -> m ()
340−takeDrop n = composeN n $ S.drop 1 . S.take maxValue
418+takeDrop :: Monad m => Int -> Int -> Stream m Int -> m ()
419+takeDrop streamLen n = composeN n $ S.drop 1 . S.take streamLen
341420
342421{-# INLINE takeScan #-}
343−takeScan :: Monad m => Int -> Stream m Int -> m ()
344−takeScan n = composeN n $ S.scanl' (+) 0 . S.take maxValue
422+takeScan :: Monad m => Int -> Int -> Stream m Int -> m ()
423+takeScan streamLen n = composeN n $ S.scanl' (+) 0 . S.take streamLen
345424
346425{-# INLINE takeMap #-}
347−takeMap :: Monad m => Int -> Stream m Int -> m ()
348−takeMap n = composeN n $ S.map (subtract 1) . S.take maxValue
426+takeMap :: Monad m => Int -> Int -> Stream m Int -> m ()
427+takeMap streamLen n = composeN n $ S.map (subtract 1) . S.take streamLen
349428
350429{-# INLINE filterDrop #-}
351−filterDrop :: Monad m => Int -> Stream m Int -> m ()
352−filterDrop n = composeN n $ S.drop 1 . S.filter (<= maxValue)
430+filterDrop :: Monad m => Int -> Int -> Stream m Int -> m ()
431+filterDrop streamLen n = composeN n $ S.drop 1 . S.filter (<= streamLen)
353432
354433{-# INLINE filterTake #-}
355−filterTake :: Monad m => Int -> Stream m Int -> m ()
356−filterTake n = composeN n $ S.take maxValue . S.filter (<= maxValue)
434+filterTake :: Monad m => Int -> Int -> Stream m Int -> m ()
435+filterTake streamLen n = composeN n $ S.take streamLen . S.filter (<= streamLen)
357436
358437{-# INLINE filterScan #-}
359438filterScan :: Monad m => Int -> Stream m Int -> m ()
360439filterScan n = composeN n $ S.scanl' (+) 0 . S.filter (<= maxBound)
361440
362441{-# INLINE filterMap #-}
363−filterMap :: Monad m => Int -> Stream m Int -> m ()
364−filterMap n = composeN n $ S.map (subtract 1) . S.filter (<= maxValue)
442+filterMap :: Monad m => Int -> Int -> Stream m Int -> m ()
443+filterMap streamLen n = composeN n $ S.map (subtract 1) . S.filter (<= streamLen)
365444
366445-------------------------------------------------------------------------------
367446-- ConcatMap
@@ -373,8 +452,8 @@ filterMap n = composeN n $ S.map (subtract 1) . S.filter (<= maxValue)
373452concatMap :: Int -> Int -> Int -> IO ()
374453concatMap outer inner n =
375454 S.drain $ S.concatMap
376− (\_ -> sourceUnfoldrMN inner n)
377− (sourceUnfoldrMN outer n)
455+ (\_ -> unfoldrM inner n)
456+ (unfoldrM outer n)
378457
379458#ifdef INSPECTION
380459inspect $ hasNoTypeClasses 'concatMap
@@ -386,8 +465,8 @@ inspect $ hasNoTypeClasses 'concatMap
386465concatMapPure :: Int -> Int -> Int -> IO ()
387466concatMapPure outer inner n =
388467 S.drain $ S.concatMap
389− (\_ -> sourceUnfoldrN inner n)
390− (sourceUnfoldrN outer n)
468+ (\_ -> unfoldr inner n)
469+ (unfoldr outer n)
391470
392471#ifdef INSPECTION
393472inspect $ hasNoTypeClasses 'concatMapPure
@@ -398,7 +477,7 @@ inspect $ hasNoTypeClasses 'concatMapPure
398477{-# INLINE concatMapRepl #-}
399478concatMapRepl :: Int -> Int -> Int -> IO ()
400479concatMapRepl outer inner n =
401− S.drain $ S.concatMap (S.replicate inner) (sourceUnfoldrMN outer n)
480+ S.drain $ S.concatMap (S.replicate inner) (unfoldrM outer n)
402481
403482#ifdef INSPECTION
404483inspect $ hasNoTypeClasses 'concatMapRepl
@@ -410,44 +489,70 @@ inspect $ hasNoTypeClasses 'concatMapRepl
410489sourceConcatMapId :: Monad m
411490 => Int -> Int -> Stream m (Stream m Int)
412491sourceConcatMapId val n =
413− S.fromFoldable $ fmap (S.yieldM . return) [n..n+val]
492+ S.fromFoldable $ fmap (S.fromEffect . return) [n..n+val]
414493
415−{-# INLINE concatStreamsWith #-}
416−concatStreamsWith :: Int -> Int -> Int -> IO ()
417−concatStreamsWith outer inner n =
418− S.drain $ S.concatMapBy S.serial
419− (sourceUnfoldrMN inner)
420− (sourceUnfoldrMN outer n)
494+{-# INLINE concatMapBySerial #-}
495+concatMapBySerial :: Int -> Int -> Int -> IO ()
496+concatMapBySerial outer inner n =
497+ S.drain $ S.concatMapWith S.append
498+ (unfoldrM inner)
499+ (unfoldrM outer n)
421500
422501-------------------------------------------------------------------------------
423502-- Nested Composition
424503-------------------------------------------------------------------------------
425504
426−{-# INLINE toNullApNested #-}
427−toNullApNested :: Monad m => Stream m Int -> m ()
428−toNullApNested s = runStream $ do
505+instance Monad m => Applicative (S.StreamK m) where
506+ {-# INLINE pure #-}
507+ pure = S.fromPure
508+
509+ {-# INLINE (<*>) #-}
510+ (<*>) = S.crossApply
511+
512+ {-# INLINE liftA2 #-}
513+ liftA2 f x = (<*>) (fmap f x)
514+
515+ {-# INLINE (*>) #-}
516+ (*>) = S.crossApplySnd
517+
518+ {-# INLINE (<*) #-}
519+ (<*) = S.crossApplyFst
520+
521+-- NOTE: even though concatMap for StreamD is 3x faster compared to StreamK,
522+-- the monad instance of StreamD is slower than StreamK after foldr/build
523+-- fusion.
524+instance Monad m => Monad (S.StreamK m) where
525+ {-# INLINE return #-}
526+ return = pure
527+
528+ {-# INLINE (>>=) #-}
529+ (>>=) = flip S.concatMap
530+
531+{-# INLINE drainApplicative #-}
532+drainApplicative :: Monad m => Stream m Int -> m ()
533+drainApplicative s = drain $ do
429534 (+) <$> s <*> s
430535
431−{-# INLINE toNullNested #-}
432−toNullNested :: Monad m => Stream m Int -> m ()
433−toNullNested s = runStream $ do
536+{-# INLINE drainMonad #-}
537+drainMonad :: Monad m => Stream m Int -> m ()
538+drainMonad s = drain $ do
434539 x <- s
435540 y <- s
436541 return $ x + y
437542
438−{-# INLINE toNullNested3 #-}
439−toNullNested3 :: Monad m => Stream m Int -> m ()
440−toNullNested3 s = runStream $ do
543+{-# INLINE drainMonad3 #-}
544+drainMonad3 :: Monad m => Stream m Int -> m ()
545+drainMonad3 s = drain $ do
441546 x <- s
442547 y <- s
443548 z <- s
444549 return $ x + y + z
445550
446−{-# INLINE filterAllOutNested #-}
447−filterAllOutNested
551+{-# INLINE filterAllOutMonad #-}
552+filterAllOutMonad
448553 :: Monad m
449554 => Stream m Int -> m ()
450−filterAllOutNested str = runStream $ do
555+filterAllOutMonad str = drain $ do
451556 x <- str
452557 y <- str
453558 let s = x + y
@@ -455,11 +560,11 @@ filterAllOutNested str = runStream $ do
455560 then return s
456561 else S.nil
457562
458−{-# INLINE filterAllInNested #-}
459−filterAllInNested
563+{-# INLINE filterAllInMonad #-}
564+filterAllInMonad
460565 :: Monad m
461566 => Stream m Int -> m ()
462−filterAllInNested str = runStream $ do
567+filterAllInMonad str = drain $ do
463568 x <- str
464569 y <- str
465570 let s = x + y
@@ -471,9 +576,14 @@ filterAllInNested str = runStream $ do
471576-- Nested Composition Pure lists
472577-------------------------------------------------------------------------------
473578
474−{-# INLINE sourceUnfoldrList #-}
475−sourceUnfoldrList :: Int -> Int -> [Int]
476−sourceUnfoldrList maxval n = List.unfoldr step n
579+-- There are several list benchmarks here for comparison with lists. It is easy
580+-- and convenient to see the comparisons when they are here, otherwise we'll
581+-- have to add a separate module for list benchmarks with the same names and
582+-- then add a comparison in bench.sh.
583+
584+{-# INLINE unfoldrList #-}
585+unfoldrList :: Int -> Int -> [Int]
586+unfoldrList maxval n = List.unfoldr step n
477587 where
478588 step cnt =
479589 if cnt > n + maxval
@@ -524,229 +634,301 @@ filterAllInNestedList str = do
524634-------------------------------------------------------------------------------
525635
526636moduleName :: String
527−moduleName = "Data.Stream.StreamK"
528−
529−o_1_space :: [Benchmark]
530−o_1_space =
531− [ bgroup (o_1_space_prefix moduleName)
532− [ bgroup "generation"
533− [ benchFold "unfoldr" toNull sourceUnfoldr
534− , benchFold "unfoldrM" toNull sourceUnfoldrM
535−
536− , benchFold "fromFoldable" toNull sourceFromFoldable
537− , benchFold "fromFoldableM" toNull sourceFromFoldableM
637+moduleName = "Data.StreamK"
638+
639+o_1_space_generation :: Int -> Benchmark
640+o_1_space_generation streamLen =
641+ bgroup "generation"
642+ [ benchFold "unfoldr" drain (unfoldr streamLen)
643+ , benchFold "unfoldrM" drain (unfoldrM streamLen)
644+ , benchFold "repeat" drain (repeat streamLen)
645+ , benchFold "repeatM" drain (repeatM streamLen)
646+ , benchFold "replicate" drain (replicate streamLen)
647+ , benchFold "replicateM" drain (replicateM streamLen)
648+ , benchFold "iterate" drain (iterate streamLen)
649+ , benchFold "iterateM" drain (iterateM streamLen)
650+
651+ , benchFold "fromFoldable" drain (fromFoldable streamLen)
652+ , benchFold "fromFoldableM" drain (fromFoldableM streamLen)
538653
539654 -- appends
540− , benchFold "concatMapFoldableWith" toNull sourceFoldMapWith
541− , benchFold "concatMapFoldableWithM" toNull sourceFoldMapWithM
655+ , benchFold "concatMapFoldableWith" drain (concatMapFoldableSerial streamLen)
656+ , benchFold "concatMapFoldableWithM" drain (concatMapFoldableSerialM streamLen)
542657 ]
543− , bgroup "elimination"
544− [ benchFold "toNull" toNull sourceUnfoldrM
545− , benchFold "mapM_" mapM_ sourceUnfoldrM
546− , benchFold "uncons" uncons sourceUnfoldrM
547− , benchFold "init" init sourceUnfoldrM
548− , benchFold "foldl'" foldl sourceUnfoldrM
549− , benchFold "last" last sourceUnfoldrM
658+
659+o_1_space_elimination :: Int -> Benchmark
660+o_1_space_elimination streamLen =
661+ bgroup "elimination"
662+ [ benchFold "toNull" drain (unfoldrM streamLen)
663+ , benchFold "mapM_" mapM_ (unfoldrM streamLen)
664+ , benchFold "uncons" uncons (unfoldrM streamLen)
665+ , benchFold "init" init (unfoldrM streamLen)
666+ , benchFold "foldl'" foldl' (unfoldrM streamLen)
667+ , benchFold "last" last (unfoldrM streamLen)
550668 ]
551− , bgroup "nested"
552− [ benchFold "toNullAp" toNullApNested (sourceUnfoldrMN value2)
553− , benchFold "toNull" toNullNested (sourceUnfoldrMN value2)
554− , benchFold "toNull3" toNullNested3 (sourceUnfoldrMN value3)
555− , benchFold "filterAllIn" filterAllInNested (sourceUnfoldrMN value2)
556− , benchFold "filterAllOut" filterAllOutNested (sourceUnfoldrMN value2)
557− , benchFold "toNullApPure" toNullApNested (sourceUnfoldrN value2)
558− , benchFold "toNullPure" toNullNested (sourceUnfoldrN value2)
559− , benchFold "toNull3Pure" toNullNested3 (sourceUnfoldrN value3)
560− , benchFold "filterAllInPure" filterAllInNested (sourceUnfoldrN value2)
561− , benchFold "filterAllOutPure" filterAllOutNested (sourceUnfoldrN value2)
669+
670+o_1_space_nested :: Int -> Benchmark
671+o_1_space_nested streamLen =
672+ bgroup "nested"
673+ [ benchFold "drainApplicative" drainApplicative (unfoldrM streamLen2)
674+ , benchFold "drainMonad" drainMonad (unfoldrM streamLen2)
675+ , benchFold "drainMonad3" drainMonad3 (unfoldrM streamLen3)
676+ , benchFold "filterAllInMonad" filterAllInMonad (unfoldrM streamLen2)
677+ , benchFold "filterAllOutMonad" filterAllOutMonad (unfoldrM streamLen2)
678+ , benchFold "drainApplicative (pure)" drainApplicative (unfoldr streamLen2)
679+ , benchFold "drainMonad (pure)" drainMonad (unfoldr streamLen2)
680+ , benchFold "drainMonad3 (pure)" drainMonad3 (unfoldr streamLen3)
681+ , benchFold "filterAllInMonad (pure)" filterAllInMonad (unfoldr streamLen2)
682+ , benchFold "filterAllOutMonad (pure)" filterAllOutMonad (unfoldr streamLen2)
562683 ]
563− , bgroup "transformation"
564− [ benchFold "foldrS" (foldrS 1) sourceUnfoldrM
565− , benchFold "scan" (scan 1) sourceUnfoldrM
566− , benchFold "map" (map 1) sourceUnfoldrM
567− , benchFold "fmap" (fmapK 1) sourceUnfoldrM
568− , benchFold "mapM" (mapM 1) sourceUnfoldrM
569− , benchFold "mapMSerial" (mapMSerial 1) sourceUnfoldrM
684+ where
685+ streamLen2 = round (P.fromIntegral streamLen**(1/2::P.Double)) -- double nested loop
686+ streamLen3 = round (P.fromIntegral streamLen**(1/3::P.Double)) -- triple nested loop
687+
688+o_1_space_transformation :: Int -> Benchmark
689+o_1_space_transformation streamLen =
690+ bgroup "transformation"
691+ [ benchFold "foldrS" (foldrS 1) (unfoldrM streamLen)
692+ , benchFold "scanl'" (scanl' 1) (unfoldrM streamLen)
693+ , benchFold "map" (map 1) (unfoldrM streamLen)
694+ , benchFold "fmap" (fmapK 1) (unfoldrM streamLen)
695+ , benchFold "mapM" (mapM 1) (unfoldrM streamLen)
696+ , benchFold "mapMSerial" (mapMSerial 1) (unfoldrM streamLen)
570697 ]
571− , bgroup "transformationX4"
572− [ benchFold "scan" (scan 4) sourceUnfoldrM
573− , benchFold "map" (map 4) sourceUnfoldrM
574− , benchFold "fmap" (fmapK 4) sourceUnfoldrM
575− , benchFold "mapM" (mapM 4) sourceUnfoldrM
576− , benchFold "mapMSerial" (mapMSerial 4) sourceUnfoldrM
698+
699+o_1_space_transformationX4 :: Int -> Benchmark
700+o_1_space_transformationX4 streamLen =
701+ bgroup "transformationX4"
702+ [ benchFold "scanl'" (scanl' 4) (unfoldrM streamLen)
703+ , benchFold "map" (map 4) (unfoldrM streamLen)
704+ , benchFold "fmap" (fmapK 4) (unfoldrM streamLen)
705+ , benchFold "mapM" (mapM 4) (unfoldrM streamLen)
706+ , benchFold "mapMSerial" (mapMSerial 4) (unfoldrM streamLen)
577707 -- XXX this is horribly slow
578− -- , benchFold "concatMap" (concatMap 4) (sourceUnfoldrMN value16)
708+ -- , benchFold "concatMap" (concatMap 4) (unfoldrM streamLen16)
579709 ]
580− , bgroup "concat"
710+
711+o_1_space_concat :: Int -> Benchmark
712+o_1_space_concat streamLen =
713+ bgroup "concat"
581714 [ benchIOSrc1 "concatMapPure (n of 1)"
582− (concatMapPure value 1)
715+ (concatMapPure streamLen 1)
583716 , benchIOSrc1 "concatMapPure (sqrt n of sqrt n)"
584− (concatMapPure value2 value2)
717+ (concatMapPure streamLen2 streamLen2)
585718 , benchIOSrc1 "concatMapPure (1 of n)"
586− (concatMapPure 1 value)
719+ (concatMapPure 1 streamLen)
587720
588721 , benchIOSrc1 "concatMap (n of 1)"
589− (concatMap value 1)
722+ (concatMap streamLen 1)
590723 , benchIOSrc1 "concatMap (sqrt n of sqrt n)"
591− (concatMap value2 value2)
724+ (concatMap streamLen2 streamLen2)
592725 , benchIOSrc1 "concatMap (1 of n)"
593− (concatMap 1 value)
726+ (concatMap 1 streamLen)
594727
595728 , benchIOSrc1 "concatMapRepl (sqrt n of sqrt n)"
596− (concatMapRepl value2 value2)
729+ (concatMapRepl streamLen2 streamLen2)
597730
598731 -- This is for comparison with concatMapFoldableWith
599732 , benchIOSrc1 "concatMapWithId (n of 1) (fromFoldable)"
600− (S.drain . S.concatMapBy S.serial id . sourceConcatMapId value)
601−
602− , benchIOSrc1 "concatMapWith (n of 1)"
603− (concatStreamsWith value 1)
604− , benchIOSrc1 "concatMapWith (sqrt n of sqrt n)"
605− (concatStreamsWith value2 value2)
606− , benchIOSrc1 "concatMapWith (1 of n)"
607− (concatStreamsWith 1 value)
733+ (S.drain
734+ . S.concatMapWith S.append id
735+ . sourceConcatMapId streamLen)
736+
737+ , benchIOSrc1 "concatMapBy serial (n of 1)"
738+ (concatMapBySerial streamLen 1)
739+ , benchIOSrc1 "concatMapBy serial (sqrt n of sqrt n)"
740+ (concatMapBySerial streamLen2 streamLen2)
741+ , benchIOSrc1 "concatMapBy serial (1 of n)"
742+ (concatMapBySerial 1 streamLen)
743+ , benchFold "sortBy" sortBy (unfoldrM streamLen)
608744 ]
609− , bgroup "filtering"
610− [ benchFold "filter-even" (filterEven 1) sourceUnfoldrM
611− , benchFold "filter-all-out" (filterAllOut 1) sourceUnfoldrM
612− , benchFold "filter-all-in" (filterAllIn 1) sourceUnfoldrM
613− , benchFold "take-all" (takeAll 1) sourceUnfoldrM
614− , benchFold "takeWhile-true" (takeWhileTrue 1) sourceUnfoldrM
615− , benchFold "drop-one" (dropOne 1) sourceUnfoldrM
616− , benchFold "drop-all" (dropAll 1) sourceUnfoldrM
617− , benchFold "dropWhile-true" (dropWhileTrue 1) sourceUnfoldrM
618− , benchFold "dropWhile-false" (dropWhileFalse 1) sourceUnfoldrM
745+ where
746+ streamLen2 = round (P.fromIntegral streamLen**(1/2::P.Double)) -- double nested loop
747+
748+o_1_space_filtering :: Int -> Benchmark
749+o_1_space_filtering streamLen =
750+ bgroup "filtering"
751+ [ benchFold "filter-even" (filterEven 1) (unfoldrM streamLen)
752+ , benchFold "filter-all-out" (filterAllOut streamLen 1) (unfoldrM streamLen)
753+ , benchFold "filter-all-in" (filterAllIn streamLen 1) (unfoldrM streamLen)
754+ , benchFold "take-all" (takeAll streamLen 1) (unfoldrM streamLen)
755+ , benchFold "takeWhile-true" (takeWhileTrue streamLen 1) (unfoldrM streamLen)
756+ , benchFold "drop-one" (dropOne 1) (unfoldrM streamLen)
757+ , benchFold "drop-all" (dropAll streamLen 1) (unfoldrM streamLen)
758+ , benchFold "dropWhile-true" (dropWhileTrue streamLen 1) (unfoldrM streamLen)
759+ , benchFold "dropWhile-false" (dropWhileFalse 1) (unfoldrM streamLen)
619760 ]
620− , bgroup "filteringX4"
621− [ benchFold "filter-even" (filterEven 4) sourceUnfoldrM
622− , benchFold "filter-all-out" (filterAllOut 4) sourceUnfoldrM
623− , benchFold "filter-all-in" (filterAllIn 4) sourceUnfoldrM
624− , benchFold "take-all" (takeAll 4) sourceUnfoldrM
625− , benchFold "takeWhile-true" (takeWhileTrue 4) sourceUnfoldrM
626− , benchFold "drop-one" (dropOne 4) sourceUnfoldrM
627− , benchFold "drop-all" (dropAll 4) sourceUnfoldrM
628− , benchFold "dropWhile-true" (dropWhileTrue 4) sourceUnfoldrM
629− , benchFold "dropWhile-false" (dropWhileFalse 4) sourceUnfoldrM
761+
762+o_1_space_filteringX4 :: Int -> Benchmark
763+o_1_space_filteringX4 streamLen =
764+ bgroup "filteringX4"
765+ [ benchFold "filter-even" (filterEven 4) (unfoldrM streamLen)
766+ , benchFold "filter-all-out" (filterAllOut streamLen 4) (unfoldrM streamLen)
767+ , benchFold "filter-all-in" (filterAllIn streamLen 4) (unfoldrM streamLen)
768+ , benchFold "take-all" (takeAll streamLen 4) (unfoldrM streamLen)
769+ , benchFold "takeWhile-true" (takeWhileTrue streamLen 4) (unfoldrM streamLen)
770+ , benchFold "drop-one" (dropOne 4) (unfoldrM streamLen)
771+ , benchFold "drop-all" (dropAll streamLen 4) (unfoldrM streamLen)
772+ , benchFold "dropWhile-true" (dropWhileTrue streamLen 4) (unfoldrM streamLen)
773+ , benchFold "dropWhile-false" (dropWhileFalse 4) (unfoldrM streamLen)
630774 ]
631− , bgroup "zipping"
632− [ benchFold "zip" zip sourceUnfoldrM
775+
776+o_1_space_zipping :: Int -> Benchmark
777+o_1_space_zipping streamLen =
778+ bgroup "zipping"
779+ [ benchFold "zipWith" zipWith (unfoldrM streamLen)
780+ , benchFold "zipWithM" zipWithM (unfoldrM streamLen)
633781 ]
634− , bgroup "mixed"
635− [ benchFold "scan-map" (scanMap 1) sourceUnfoldrM
636− , benchFold "drop-map" (dropMap 1) sourceUnfoldrM
637− , benchFold "drop-scan" (dropScan 1) sourceUnfoldrM
638− , benchFold "take-drop" (takeDrop 1) sourceUnfoldrM
639− , benchFold "take-scan" (takeScan 1) sourceUnfoldrM
640− , benchFold "take-map" (takeMap 1) sourceUnfoldrM
641− , benchFold "filter-drop" (filterDrop 1) sourceUnfoldrM
642− , benchFold "filter-take" (filterTake 1) sourceUnfoldrM
643− , benchFold "filter-scan" (filterScan 1) sourceUnfoldrM
644− , benchFold "filter-map" (filterMap 1) sourceUnfoldrM
782+
783+o_1_space_mixed :: Int -> Benchmark
784+o_1_space_mixed streamLen =
785+ bgroup "mixed"
786+ [ benchFold "scan-map" (scanMap 1) (unfoldrM streamLen)
787+ , benchFold "drop-map" (dropMap 1) (unfoldrM streamLen)
788+ , benchFold "drop-scan" (dropScan 1) (unfoldrM streamLen)
789+ , benchFold "take-drop" (takeDrop streamLen 1) (unfoldrM streamLen)
790+ , benchFold "take-scan" (takeScan streamLen 1) (unfoldrM streamLen)
791+ , benchFold "take-map" (takeMap streamLen 1) (unfoldrM streamLen)
792+ , benchFold "filter-drop" (filterDrop streamLen 1) (unfoldrM streamLen)
793+ , benchFold "filter-take" (filterTake streamLen 1) (unfoldrM streamLen)
794+ , benchFold "filter-scan" (filterScan 1) (unfoldrM streamLen)
795+ , benchFold "filter-map" (filterMap streamLen 1) (unfoldrM streamLen)
645796 ]
646− , bgroup "mixedX2"
647− [ benchFold "scan-map" (scanMap 2) sourceUnfoldrM
648− , benchFold "drop-map" (dropMap 2) sourceUnfoldrM
649− , benchFold "drop-scan" (dropScan 2) sourceUnfoldrM
650− , benchFold "take-drop" (takeDrop 2) sourceUnfoldrM
651− , benchFold "take-scan" (takeScan 2) sourceUnfoldrM
652− , benchFold "take-map" (takeMap 2) sourceUnfoldrM
653− , benchFold "filter-drop" (filterDrop 2) sourceUnfoldrM
654− , benchFold "filter-take" (filterTake 2) sourceUnfoldrM
655− , benchFold "filter-scan" (filterScan 2) sourceUnfoldrM
656− , benchFold "filter-map" (filterMap 2) sourceUnfoldrM
797+
798+o_1_space_mixedX2 :: Int -> Benchmark
799+o_1_space_mixedX2 streamLen =
800+ bgroup "mixedX2"
801+ [ benchFold "scan-map" (scanMap 2) (unfoldrM streamLen)
802+ , benchFold "drop-map" (dropMap 2) (unfoldrM streamLen)
803+ , benchFold "drop-scan" (dropScan 2) (unfoldrM streamLen)
804+ , benchFold "take-drop" (takeDrop streamLen 2) (unfoldrM streamLen)
805+ , benchFold "take-scan" (takeScan streamLen 2) (unfoldrM streamLen)
806+ , benchFold "take-map" (takeMap streamLen 2) (unfoldrM streamLen)
807+ , benchFold "filter-drop" (filterDrop streamLen 2) (unfoldrM streamLen)
808+ , benchFold "filter-take" (filterTake streamLen 2) (unfoldrM streamLen)
809+ , benchFold "filter-scan" (filterScan 2) (unfoldrM streamLen)
810+ , benchFold "filter-map" (filterMap streamLen 2) (unfoldrM streamLen)
657811 ]
658− , bgroup "mixedX4"
659− [ benchFold "scan-map" (scanMap 4) sourceUnfoldrM
660− , benchFold "drop-map" (dropMap 4) sourceUnfoldrM
661− , benchFold "drop-scan" (dropScan 4) sourceUnfoldrM
662− , benchFold "take-drop" (takeDrop 4) sourceUnfoldrM
663− , benchFold "take-scan" (takeScan 4) sourceUnfoldrM
664− , benchFold "take-map" (takeMap 4) sourceUnfoldrM
665− , benchFold "filter-drop" (filterDrop 4) sourceUnfoldrM
666− , benchFold "filter-take" (filterTake 4) sourceUnfoldrM
667− , benchFold "filter-scan" (filterScan 4) sourceUnfoldrM
668− , benchFold "filter-map" (filterMap 4) sourceUnfoldrM
812+
813+o_1_space_mixedX4 :: Int -> Benchmark
814+o_1_space_mixedX4 streamLen =
815+ bgroup "mixedX4"
816+ [ benchFold "scan-map" (scanMap 4) (unfoldrM streamLen)
817+ , benchFold "drop-map" (dropMap 4) (unfoldrM streamLen)
818+ , benchFold "drop-scan" (dropScan 4) (unfoldrM streamLen)
819+ , benchFold "take-drop" (takeDrop streamLen 4) (unfoldrM streamLen)
820+ , benchFold "take-scan" (takeScan streamLen 4) (unfoldrM streamLen)
821+ , benchFold "take-map" (takeMap streamLen 4) (unfoldrM streamLen)
822+ , benchFold "filter-drop" (filterDrop streamLen 4) (unfoldrM streamLen)
823+ , benchFold "filter-take" (filterTake streamLen 4) (unfoldrM streamLen)
824+ , benchFold "filter-scan" (filterScan 4) (unfoldrM streamLen)
825+ , benchFold "filter-map" (filterMap streamLen 4) (unfoldrM streamLen)
669826 ]
827+
828+o_1_space_list :: Int -> Benchmark
829+o_1_space_list streamLen =
830+ bgroup "list"
831+ [ bgroup "elimination"
832+ [ benchList "last" (\xs -> [List.last xs]) (unfoldrList streamLen)
833+ ]
834+ , bgroup "nested"
835+ [ benchList "toNullAp" toNullApNestedList (unfoldrList streamLen2)
836+ , benchList "toNull" toNullNestedList (unfoldrList streamLen2)
837+ , benchList "toNull3" toNullNestedList3 (unfoldrList streamLen3)
838+ , benchList "filterAllIn" filterAllInNestedList (unfoldrList streamLen2)
839+ , benchList "filterAllOut" filterAllOutNestedList (unfoldrList streamLen2)
840+ ]
841+ ]
842+ where
843+
844+ streamLen2 = round (P.fromIntegral streamLen**(1/2::P.Double)) -- double nested loop
845+ streamLen3 = round (P.fromIntegral streamLen**(1/3::P.Double)) -- triple nested loop
846+
847+o_1_space :: Int -> Benchmark
848+o_1_space streamLen =
849+ bgroup (o_1_space_prefix moduleName)
850+ [ o_1_space_generation streamLen
851+ , o_1_space_elimination streamLen
852+ , o_1_space_nested streamLen
853+ , o_1_space_transformation streamLen
854+ , o_1_space_transformationX4 streamLen
855+ , o_1_space_concat streamLen
856+ , o_1_space_filtering streamLen
857+ , o_1_space_filteringX4 streamLen
858+ , o_1_space_zipping streamLen
859+ , o_1_space_mixed streamLen
860+ , o_1_space_mixedX2 streamLen
861+ , o_1_space_mixedX4 streamLen
862+ , o_1_space_list streamLen
670863 ]
671− ]
672864
673−o_n_heap :: [Benchmark]
674−o_n_heap =
675− [ bgroup (o_n_heap_prefix moduleName)
865+o_n_heap :: Int -> Benchmark
866+o_n_heap streamLen =
867+ bgroup (o_n_heap_prefix moduleName)
676868 [ bgroup "transformation"
677− [ benchFold "foldlS" (foldlS 1) sourceUnfoldrM
869+ [ benchFold "foldlS" (foldlS 1) (unfoldrM streamLen)
678870 ]
679871 ]
680− ]
681872
682873{-# INLINE benchK #-}
683874benchK :: P.String -> (Int -> Stream P.IO Int) -> Benchmark
684−benchK name f = bench name $ nfIO $ randomRIO (1,1) >>= toNull . f
875+benchK name f = bench name $ nfIO $ randomRIO (1,1) >>= drain . f
685876
686−o_n_stack :: [Benchmark]
687−o_n_stack =
688− [ bgroup (o_n_stack_prefix moduleName)
877+o_n_stack :: Int -> Int -> Int -> Benchmark
878+o_n_stack streamLen iterStreamLen maxIters =
879+ bgroup (o_n_stack_prefix moduleName)
689880 [ bgroup "elimination"
690− [ benchFold "tail" tail sourceUnfoldrM
691− , benchFold "nullTail" nullTail sourceUnfoldrM
692− , benchFold "headTail" headTail sourceUnfoldrM
881+ [ benchFold "tail" tail (unfoldrM streamLen)
882+ , benchFold "nullTail" nullTail (unfoldrM streamLen)
883+ , benchFold "headTail" headTail (unfoldrM streamLen)
693884 ]
694885 , bgroup "transformation"
695886 [
696887 -- XXX why do these need so much stack
697− benchFold "intersperse" (intersperse 1) (sourceUnfoldrMN value2)
698− , benchFold "interspersePure" (intersperse 1) (sourceUnfoldrN value2)
888+ benchFold "intersperse" (intersperse streamLen 1) (unfoldrM streamLen2)
889+ , benchFold "interspersePure" (intersperse streamLen 1) (unfoldr streamLen2)
699890 ]
700891 , bgroup "transformationX4"
701892 [
702− benchFold "intersperse" (intersperse 4) (sourceUnfoldrMN value16)
893+ benchFold "intersperse" (intersperse streamLen 4) (unfoldrM streamLen16)
703894 ]
704895 , bgroup "iterated"
705− [ benchK "mapM" iterateMapM
706− , benchK "scan(1/10)" iterateScan
707− , benchK "filterEven" iterateFilterEven
708− , benchK "takeAll" iterateTakeAll
709− , benchK "dropOne" iterateDropOne
710− , benchK "dropWhileFalse(1/10)" iterateDropWhileFalse
711− , benchK "dropWhileTrue" iterateDropWhileTrue
896+ [ benchK "mapM" (iterateMapM iterStreamLen maxIters)
897+ , benchK "scan(1/10)" (iterateScan iterStreamLen maxIters)
898+ , benchK "filterEven" (iterateFilterEven iterStreamLen maxIters)
899+ , benchK "takeAll" (iterateTakeAll streamLen iterStreamLen maxIters)
900+ , benchK "dropOne" (iterateDropOne iterStreamLen maxIters)
901+ , benchK "dropWhileFalse(1/10)" (iterateDropWhileFalse streamLen iterStreamLen maxIters)
902+ , benchK "dropWhileTrue" (iterateDropWhileTrue streamLen iterStreamLen maxIters)
712903 ]
713904 ]
714− ]
905+ where
906+ streamLen2 = round (P.fromIntegral streamLen**(1/2::P.Double)) -- double nested loop
907+ streamLen16 = round (P.fromIntegral streamLen**(1/16::P.Double)) -- triple nested loop
715908
716−o_n_space :: [Benchmark]
717−o_n_space =
718− [ bgroup (o_n_space_prefix moduleName)
909+o_n_space :: Int -> Benchmark
910+o_n_space streamLen =
911+ bgroup (o_n_space_prefix moduleName)
719912 [ bgroup "elimination"
720− [ benchFold "toList" toList sourceUnfoldrM
913+ [ benchFold "toList" toList (unfoldrM streamLen)
721914 ]
722915 ]
723− ]
724916
725917{-# INLINE benchList #-}
726918benchList :: P.String -> ([Int] -> [Int]) -> (Int -> [Int]) -> Benchmark
727919benchList name run f = bench name $ nfIO $ randomRIO (1,1) >>= return . run . f
728920
729−o_1_space_list :: [Benchmark]
730−o_1_space_list =
731− [ bgroup "list"
732− [ bgroup "elimination"
733− [ benchList "last" (\xs -> [List.last xs]) (sourceUnfoldrList value)
734− ]
735− , bgroup "nested"
736− [ benchList "toNullAp" toNullApNestedList (sourceUnfoldrList value2)
737− , benchList "toNull" toNullNestedList (sourceUnfoldrList value2)
738− , benchList "toNull3" toNullNestedList3 (sourceUnfoldrList value3)
739− , benchList "filterAllIn" filterAllInNestedList (sourceUnfoldrList value2)
740− , benchList "filterAllOut" filterAllOutNestedList (sourceUnfoldrList value2)
921+main :: IO ()
922+main =
923+ defaultMain
924+ [ o_1_space streamLen
925+ , o_n_stack streamLen iterStreamLen maxIters
926+ , o_n_heap streamLen
927+ , o_n_space streamLen
741928 ]
742− ]
743− ]
744929
745−main :: IO ()
746−main = defaultMain $ concat
747− [ o_1_space
748− , [bgroup (o_1_space_prefix moduleName) o_1_space_list]
749− , o_n_stack
750− , o_n_heap
751− , o_n_space
752− ]
930+ where
931+
932+ streamLen = 100000
933+ maxIters = 10000
934+ iterStreamLen = 10