@@ -8,7 +8,6 @@
88{-# LANGUAGE CPP #-}
99{-# LANGUAGE FlexibleContexts #-}
1010{-# LANGUAGE ScopedTypeVariables #-}
11−{-# OPTIONS_GHC -Wno-orphans #-}
1211
1312#ifdef __HADDOCK_VERSION__
1413#undef INSPECTION
@@ -21,23 +20,19 @@
2120
2221module Main (main) where
2322
24−#if !MIN_VERSION_base(4,18,0)
25−import Control.Applicative (liftA2)
26−#endif
2723import Control.Monad (when)
2824import Data.Maybe (isJust)
2925import System.Random (randomRIO)
3026import Prelude hiding
31− ( Foldable(..), tail, mapM_, last, map, mapM, concatMap, zipWith, init, iterate
32− , repeat, replicate
33− )
27+ (tail, mapM_, foldl, last, map, mapM, concatMap, zip, init)
3428
3529import qualified Prelude as P
3630import qualified Data.List as List
3731
38−import qualified Streamly.Internal.Data.StreamK as S
32+import qualified Streamly.Internal.Data.Stream.StreamK as S
33+import qualified Streamly.Internal.Data.SVar as S
3934
40−import Test.Tasty.Bench (bench, nfIO, bgroup, Benchmark, defaultMain)
35+import Gauge (bench, nfIO, bgroup, Benchmark, defaultMain)
4136
4237import Streamly.Benchmark.Common
4338
@@ -45,161 +40,95 @@ import Streamly.Benchmark.Common
4540import Test.Inspection
4641#endif
4742
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−-}
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
11549
11650-------------------------------------------------------------------------------
11751-- Stream generation and elimination
11852-------------------------------------------------------------------------------
11953
120−type Stream m a = S.StreamK m a
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)
12164
122−{-# INLINE unfoldr #-}
123−unfoldr :: Int -> Int -> Stream m Int
124−unfoldr streamLen n = S.unfoldr step n
65+{-# INLINE sourceUnfoldrN #-}
66+sourceUnfoldrN :: Int -> Int -> Stream m Int
67+sourceUnfoldrN m n = S.unfoldr step n
12568 where
12669 step cnt =
127− if cnt > n + streamLen
70+ if cnt > n + m
12871 then Nothing
12972 else Just (cnt, cnt + 1)
13073
131−{-# INLINE unfoldrM #-}
132−unfoldrM :: Monad m => Int -> Int -> Stream m Int
133−unfoldrM streamLen n = S.unfoldrMWith S.consM step n
74+{-# INLINE sourceUnfoldrM #-}
75+sourceUnfoldrM :: S.MonadAsync m => Int -> Stream m Int
76+sourceUnfoldrM n = S.unfoldrM step n
13477 where
13578 step cnt =
136− if cnt > n + streamLen
79+ if cnt > n + value
13780 then return Nothing
13881 else return (Just (cnt, cnt + 1))
13982
140−{-# INLINE repeat #-}
141−repeat :: Int -> Int -> Stream m Int
142−repeat streamLen = S.take streamLen . S.repeat
143−
144−{-# INLINE repeatM #-}
145−repeatM :: Monad m => Int -> Int -> Stream m Int
146−repeatM streamLen = S.take streamLen . S.repeatM . return
147−
148−{-# INLINE replicate #-}
149−replicate :: Int -> Int -> Stream m Int
150−replicate = S.replicate
151−
152−{-# INLINE replicateM #-}
153−replicateM :: Monad m => Int -> Int -> Stream m Int
154−replicateM streamLen = S.replicateMWith S.consM streamLen . return
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))
15591
156−{-# INLINE iterate #-}
157−iterate :: Int -> Int -> Stream m Int
158−iterate streamLen = S.take streamLen . S.iterate (+1)
92+{-# INLINE sourceFromFoldable #-}
93+sourceFromFoldable :: Int -> Stream m Int
94+sourceFromFoldable n = S.fromFoldable [n..n+value]
15995
160−{-# INLINE iterateM #-}
161−iterateM :: Monad m => Int -> Int -> Stream m Int
162−iterateM streamLen = S.take streamLen . S.iterateM (return . (+1)) . return
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])
163100
164−{-# INLINE fromFoldable #-}
165−fromFoldable :: Int -> Int -> Stream m Int
166−fromFoldable streamLen n = S.fromFoldable [n..n+streamLen]
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
167105
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])
106+{-# INLINE sourceFoldMapWith #-}
107+sourceFoldMapWith :: Int -> Stream m Int
108+sourceFoldMapWith n = concatMapFoldableWith S.serial S.yield [n..n+value]
172109
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]
110+{-# INLINE sourceFoldMapWithM #-}
111+sourceFoldMapWithM :: Monad m => Int -> Stream m Int
112+sourceFoldMapWithM n =
113+ concatMapFoldableWith S.serial (S.yieldM . return) [n..n+value]
190114
191115-------------------------------------------------------------------------------
192116-- Elimination
193117-------------------------------------------------------------------------------
194118
195−{-# INLINE drain #-}
196−drain :: Monad m => Stream m a -> m ()
197−drain = S.drain
119+{-# INLINE runStream #-}
120+runStream :: Monad m => Stream m a -> m ()
121+runStream = S.drain
122+-- runStream = S.mapM_ (\_ -> return ())
198123
199124{-# INLINE mapM_ #-}
200125mapM_ :: Monad m => Stream m a -> m ()
201126mapM_ = S.mapM_ (\_ -> return ())
202127
128+{-# INLINE toNull #-}
129+toNull :: Monad m => Stream m Int -> m ()
130+toNull = runStream
131+
203132{-# INLINE uncons #-}
204133uncons :: Monad m => Stream m Int -> m ()
205134uncons s = do
@@ -209,13 +138,13 @@ uncons s = do
209138 Just (_, t) -> uncons t
210139
211140{-# INLINE init #-}
212−init :: Monad m => Stream m a -> m ()
141+init :: (Monad m, S.IsStream t) => t m a -> m ()
213142init s = do
214143 t <- S.init s
215144 P.mapM_ S.drain t
216145
217146{-# INLINE tail #-}
218−tail :: Monad m => Stream m a -> m ()
147+tail :: (Monad m, S.IsStream t) => t m a -> m ()
219148tail s = S.tail s >>= P.mapM_ tail
220149
221150{-# INLINE nullTail #-}
@@ -234,9 +163,9 @@ headTail s = do
234163toList :: Monad m => Stream m Int -> m [Int]
235164toList = S.toList
236165
237−{-# INLINE foldl' #-}
238−foldl' :: Monad m => Stream m Int -> m Int
239−foldl' = S.foldl' (+) 0
166+{-# INLINE foldl #-}
167+foldl :: Monad m => Stream m Int -> m Int
168+foldl = S.foldl' (+) 0
240169
241170{-# INLINE last #-}
242171last :: Monad m => Stream m Int -> m (Maybe Int)
@@ -246,36 +175,40 @@ last = S.last
246175-- Transformation
247176-------------------------------------------------------------------------------
248177
178+{-# INLINE transform #-}
179+transform :: Monad m => Stream m a -> m ()
180+transform = runStream
181+
249182{-# INLINE composeN #-}
250183composeN
251184 :: Monad m
252185 => Int -> (Stream m Int -> Stream m Int) -> Stream m Int -> m ()
253186composeN n f =
254187 case n of
255− 1 -> drain . f
256− 2 -> drain . f . f
257− 3 -> drain . f . f . f
258− 4 -> drain . f . f . f . f
188+ 1 -> transform . f
189+ 2 -> transform . f . f
190+ 3 -> transform . f . f . f
191+ 4 -> transform . f . f . f . f
259192 _ -> undefined
260193
261−{-# INLINE scanl' #-}
262−scanl' :: Monad m => Int -> Stream m Int -> m ()
263−scanl' n = composeN n $ S.scanl' (+) 0
194+{-# INLINE scan #-}
195+scan :: Monad m => Int -> Stream m Int -> m ()
196+scan n = composeN n $ S.scanl' (+) 0
264197
265198{-# INLINE map #-}
266199map :: Monad m => Int -> Stream m Int -> m ()
267−map n = composeN n $ S.map (+ 1)
200+map n = composeN n $ P.fmap (+ 1)
268201
269202{-# INLINE fmapK #-}
270203fmapK :: Monad m => Int -> Stream m Int -> m ()
271204fmapK n = composeN n $ P.fmap (+ 1)
272205
273206{-# INLINE mapM #-}
274−mapM :: Monad m => Int -> Stream m Int -> m ()
275−mapM n = composeN n $ S.mapMWith S.consM return
207+mapM :: S.MonadAsync m => Int -> Stream m Int -> m ()
208+mapM n = composeN n $ S.mapM return
276209
277210{-# INLINE mapMSerial #-}
278−mapMSerial :: Monad m => Int -> Stream m Int -> m ()
211+mapMSerial :: S.MonadAsync m => Int -> Stream m Int -> m ()
279212mapMSerial n = composeN n $ S.mapMSerial return
280213
281214{-# INLINE filterEven #-}
@@ -283,36 +216,36 @@ filterEven :: Monad m => Int -> Stream m Int -> m ()
283216filterEven n = composeN n $ S.filter even
284217
285218{-# INLINE filterAllOut #-}
286−filterAllOut :: Monad m => Int -> Int -> Stream m Int -> m ()
287−filterAllOut streamLen n = composeN n $ S.filter (> streamLen)
219+filterAllOut :: Monad m => Int -> Stream m Int -> m ()
220+filterAllOut n = composeN n $ S.filter (> maxValue)
288221
289222{-# INLINE filterAllIn #-}
290−filterAllIn :: Monad m => Int -> Int -> Stream m Int -> m ()
291−filterAllIn streamLen n = composeN n $ S.filter (<= streamLen)
223+filterAllIn :: Monad m => Int -> Stream m Int -> m ()
224+filterAllIn n = composeN n $ S.filter (<= maxValue)
292225
293226{-# INLINE _takeOne #-}
294227_takeOne :: Monad m => Int -> Stream m Int -> m ()
295228_takeOne n = composeN n $ S.take 1
296229
297230{-# INLINE takeAll #-}
298−takeAll :: Monad m => Int -> Int -> Stream m Int -> m ()
299−takeAll streamLen n = composeN n $ S.take streamLen
231+takeAll :: Monad m => Int -> Stream m Int -> m ()
232+takeAll n = composeN n $ S.take maxValue
300233
301234{-# INLINE takeWhileTrue #-}
302−takeWhileTrue :: Monad m => Int -> Int -> Stream m Int -> m ()
303−takeWhileTrue streamLen n = composeN n $ S.takeWhile (<= streamLen)
235+takeWhileTrue :: Monad m => Int -> Stream m Int -> m ()
236+takeWhileTrue n = composeN n $ S.takeWhile (<= maxValue)
304237
305238{-# INLINE dropOne #-}
306239dropOne :: Monad m => Int -> Stream m Int -> m ()
307240dropOne n = composeN n $ S.drop 1
308241
309242{-# INLINE dropAll #-}
310−dropAll :: Monad m => Int -> Int -> Stream m Int -> m ()
311−dropAll streamLen n = composeN n $ S.drop streamLen
243+dropAll :: Monad m => Int -> Stream m Int -> m ()
244+dropAll n = composeN n $ S.drop maxValue
312245
313246{-# INLINE dropWhileTrue #-}
314−dropWhileTrue :: Monad m => Int -> Int -> Stream m Int -> m ()
315−dropWhileTrue streamLen n = composeN n $ S.dropWhile (<= streamLen)
247+dropWhileTrue :: Monad m => Int -> Stream m Int -> m ()
248+dropWhileTrue n = composeN n $ S.dropWhile (<= maxValue)
316249
317250{-# INLINE dropWhileFalse #-}
318251dropWhileFalse :: Monad m => Int -> Stream m Int -> m ()
@@ -327,76 +260,64 @@ foldlS :: Monad m => Int -> Stream m Int -> m ()
327260foldlS n = composeN n $ S.foldlS (flip S.cons) S.nil
328261
329262{-# INLINE intersperse #-}
330−intersperse :: Monad m => Int -> Int -> Stream m Int -> m ()
331−intersperse streamLen n = composeN n $ S.intersperse streamLen
263+intersperse :: S.MonadAsync m => Int -> Stream m Int -> m ()
264+intersperse n = composeN n $ S.intersperse maxValue
332265
333266-------------------------------------------------------------------------------
334267-- Iteration
335268-------------------------------------------------------------------------------
336269
270+iterStreamLen, maxIters :: Int
271+iterStreamLen = 10
272+maxIters = 10000
273+
337274{-# INLINE iterateSource #-}
338275iterateSource
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)
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)
341279 where
342280 f (0 :: Int) m = g m
343281 f x m = g (f (x P.- 1) m)
344282
345283-- this is quadratic
346284{-# INLINE iterateScan #-}
347−iterateScan :: Monad m => Int -> Int -> Int -> Stream m Int
348−iterateScan iterStreamLen maxIters =
349− iterateSource iterStreamLen (S.scanl' (+) 0) (maxIters `div` 10)
285+iterateScan :: S.MonadAsync m => Int -> Stream m Int
286+iterateScan = iterateSource (S.scanl' (+) 0) (maxIters `div` 10)
350287
351288-- this is quadratic
352289{-# INLINE iterateDropWhileFalse #-}
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)
290+iterateDropWhileFalse :: S.MonadAsync m => Int -> Stream m Int
291+iterateDropWhileFalse =
292+ iterateSource (S.dropWhile (> maxValue)) (maxIters `div` 10)
356293
357294{-# INLINE iterateMapM #-}
358−iterateMapM :: Monad m => Int -> Int -> Int -> Stream m Int
359−iterateMapM iterStreamLen =
360− iterateSource iterStreamLen (S.mapMWith S.consM return)
295+iterateMapM :: S.MonadAsync m => Int -> Stream m Int
296+iterateMapM = iterateSource (S.mapM return) maxIters
361297
362298{-# INLINE iterateFilterEven #-}
363−iterateFilterEven :: Monad m => Int -> Int -> Int -> Stream m Int
364−iterateFilterEven iterStreamLen = iterateSource iterStreamLen (S.filter even)
299+iterateFilterEven :: S.MonadAsync m => Int -> Stream m Int
300+iterateFilterEven = iterateSource (S.filter even) maxIters
365301
366302{-# INLINE iterateTakeAll #-}
367−iterateTakeAll :: Monad m => Int -> Int -> Int -> Int -> Stream m Int
368−iterateTakeAll streamLen iterStreamLen =
369− iterateSource iterStreamLen (S.take streamLen)
303+iterateTakeAll :: S.MonadAsync m => Int -> Stream m Int
304+iterateTakeAll = iterateSource (S.take maxValue) maxIters
370305
371306{-# INLINE iterateDropOne #-}
372−iterateDropOne :: Monad m => Int -> Int -> Int -> Stream m Int
373−iterateDropOne iterStreamLen = iterateSource iterStreamLen (S.drop 1)
307+iterateDropOne :: S.MonadAsync m => Int -> Stream m Int
308+iterateDropOne = iterateSource (S.drop 1) maxIters
374309
375310{-# INLINE iterateDropWhileTrue #-}
376−iterateDropWhileTrue ::
377− Monad m => Int -> Int -> Int -> Int -> Stream m Int
378−iterateDropWhileTrue streamLen iterStreamLen =
379− iterateSource iterStreamLen (S.dropWhile (<= streamLen))
311+iterateDropWhileTrue :: S.MonadAsync m => Int -> Stream m Int
312+iterateDropWhileTrue = iterateSource (S.dropWhile (<= maxValue)) maxIters
380313
381314-------------------------------------------------------------------------------
382315-- Zipping
383316-------------------------------------------------------------------------------
384317
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
318+{-# INLINE zip #-}
319+zip :: Monad m => Stream m Int -> m ()
320+zip src = transform $ S.zipWith (,) src src
400321
401322-------------------------------------------------------------------------------
402323-- Mixed Composition
@@ -415,32 +336,32 @@ dropScan :: Monad m => Int -> Stream m Int -> m ()
415336dropScan n = composeN n $ S.scanl' (+) 0 . S.drop 1
416337
417338{-# INLINE takeDrop #-}
418−takeDrop :: Monad m => Int -> Int -> Stream m Int -> m ()
419−takeDrop streamLen n = composeN n $ S.drop 1 . S.take streamLen
339+takeDrop :: Monad m => Int -> Stream m Int -> m ()
340+takeDrop n = composeN n $ S.drop 1 . S.take maxValue
420341
421342{-# INLINE takeScan #-}
422−takeScan :: Monad m => Int -> Int -> Stream m Int -> m ()
423−takeScan streamLen n = composeN n $ S.scanl' (+) 0 . S.take streamLen
343+takeScan :: Monad m => Int -> Stream m Int -> m ()
344+takeScan n = composeN n $ S.scanl' (+) 0 . S.take maxValue
424345
425346{-# INLINE takeMap #-}
426−takeMap :: Monad m => Int -> Int -> Stream m Int -> m ()
427−takeMap streamLen n = composeN n $ S.map (subtract 1) . S.take streamLen
347+takeMap :: Monad m => Int -> Stream m Int -> m ()
348+takeMap n = composeN n $ S.map (subtract 1) . S.take maxValue
428349
429350{-# INLINE filterDrop #-}
430−filterDrop :: Monad m => Int -> Int -> Stream m Int -> m ()
431−filterDrop streamLen n = composeN n $ S.drop 1 . S.filter (<= streamLen)
351+filterDrop :: Monad m => Int -> Stream m Int -> m ()
352+filterDrop n = composeN n $ S.drop 1 . S.filter (<= maxValue)
432353
433354{-# INLINE filterTake #-}
434−filterTake :: Monad m => Int -> Int -> Stream m Int -> m ()
435−filterTake streamLen n = composeN n $ S.take streamLen . S.filter (<= streamLen)
355+filterTake :: Monad m => Int -> Stream m Int -> m ()
356+filterTake n = composeN n $ S.take maxValue . S.filter (<= maxValue)
436357
437358{-# INLINE filterScan #-}
438359filterScan :: Monad m => Int -> Stream m Int -> m ()
439360filterScan n = composeN n $ S.scanl' (+) 0 . S.filter (<= maxBound)
440361
441362{-# INLINE filterMap #-}
442−filterMap :: Monad m => Int -> Int -> Stream m Int -> m ()
443−filterMap streamLen n = composeN n $ S.map (subtract 1) . S.filter (<= streamLen)
363+filterMap :: Monad m => Int -> Stream m Int -> m ()
364+filterMap n = composeN n $ S.map (subtract 1) . S.filter (<= maxValue)
444365
445366-------------------------------------------------------------------------------
446367-- ConcatMap
@@ -452,8 +373,8 @@ filterMap streamLen n = composeN n $ S.map (subtract 1) . S.filter (<= streamLen
452373concatMap :: Int -> Int -> Int -> IO ()
453374concatMap outer inner n =
454375 S.drain $ S.concatMap
455− (\_ -> unfoldrM inner n)
456− (unfoldrM outer n)
376+ (\_ -> sourceUnfoldrMN inner n)
377+ (sourceUnfoldrMN outer n)
457378
458379#ifdef INSPECTION
459380inspect $ hasNoTypeClasses 'concatMap
@@ -465,8 +386,8 @@ inspect $ hasNoTypeClasses 'concatMap
465386concatMapPure :: Int -> Int -> Int -> IO ()
466387concatMapPure outer inner n =
467388 S.drain $ S.concatMap
468− (\_ -> unfoldr inner n)
469− (unfoldr outer n)
389+ (\_ -> sourceUnfoldrN inner n)
390+ (sourceUnfoldrN outer n)
470391
471392#ifdef INSPECTION
472393inspect $ hasNoTypeClasses 'concatMapPure
@@ -477,7 +398,7 @@ inspect $ hasNoTypeClasses 'concatMapPure
477398{-# INLINE concatMapRepl #-}
478399concatMapRepl :: Int -> Int -> Int -> IO ()
479400concatMapRepl outer inner n =
480− S.drain $ S.concatMap (S.replicate inner) (unfoldrM outer n)
401+ S.drain $ S.concatMap (S.replicate inner) (sourceUnfoldrMN outer n)
481402
482403#ifdef INSPECTION
483404inspect $ hasNoTypeClasses 'concatMapRepl
@@ -489,70 +410,44 @@ inspect $ hasNoTypeClasses 'concatMapRepl
489410sourceConcatMapId :: Monad m
490411 => Int -> Int -> Stream m (Stream m Int)
491412sourceConcatMapId val n =
492− S.fromFoldable $ fmap (S.fromEffect . return) [n..n+val]
413+ S.fromFoldable $ fmap (S.yieldM . return) [n..n+val]
493414
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)
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)
500421
501422-------------------------------------------------------------------------------
502423-- Nested Composition
503424-------------------------------------------------------------------------------
504425
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
426+{-# INLINE toNullApNested #-}
427+toNullApNested :: Monad m => Stream m Int -> m ()
428+toNullApNested s = runStream $ do
534429 (+) <$> s <*> s
535430
536−{-# INLINE drainMonad #-}
537−drainMonad :: Monad m => Stream m Int -> m ()
538−drainMonad s = drain $ do
431+{-# INLINE toNullNested #-}
432+toNullNested :: Monad m => Stream m Int -> m ()
433+toNullNested s = runStream $ do
539434 x <- s
540435 y <- s
541436 return $ x + y
542437
543−{-# INLINE drainMonad3 #-}
544−drainMonad3 :: Monad m => Stream m Int -> m ()
545−drainMonad3 s = drain $ do
438+{-# INLINE toNullNested3 #-}
439+toNullNested3 :: Monad m => Stream m Int -> m ()
440+toNullNested3 s = runStream $ do
546441 x <- s
547442 y <- s
548443 z <- s
549444 return $ x + y + z
550445
551−{-# INLINE filterAllOutMonad #-}
552−filterAllOutMonad
446+{-# INLINE filterAllOutNested #-}
447+filterAllOutNested
553448 :: Monad m
554449 => Stream m Int -> m ()
555−filterAllOutMonad str = drain $ do
450+filterAllOutNested str = runStream $ do
556451 x <- str
557452 y <- str
558453 let s = x + y
@@ -560,11 +455,11 @@ filterAllOutMonad str = drain $ do
560455 then return s
561456 else S.nil
562457
563−{-# INLINE filterAllInMonad #-}
564−filterAllInMonad
458+{-# INLINE filterAllInNested #-}
459+filterAllInNested
565460 :: Monad m
566461 => Stream m Int -> m ()
567−filterAllInMonad str = drain $ do
462+filterAllInNested str = runStream $ do
568463 x <- str
569464 y <- str
570465 let s = x + y
@@ -576,14 +471,9 @@ filterAllInMonad str = drain $ do
576471-- Nested Composition Pure lists
577472-------------------------------------------------------------------------------
578473
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
474+{-# INLINE sourceUnfoldrList #-}
475+sourceUnfoldrList :: Int -> Int -> [Int]
476+sourceUnfoldrList maxval n = List.unfoldr step n
587477 where
588478 step cnt =
589479 if cnt > n + maxval
@@ -634,301 +524,229 @@ filterAllInNestedList str = do
634524-------------------------------------------------------------------------------
635525
636526moduleName :: String
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)
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
653538
654539 -- appends
655− , benchFold "concatMapFoldableWith" drain (concatMapFoldableSerial streamLen)
656− , benchFold "concatMapFoldableWithM" drain (concatMapFoldableSerialM streamLen)
540+ , benchFold "concatMapFoldableWith" toNull sourceFoldMapWith
541+ , benchFold "concatMapFoldableWithM" toNull sourceFoldMapWithM
657542 ]
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)
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
668550 ]
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)
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)
683562 ]
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)
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
697570 ]
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)
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
707577 -- XXX this is horribly slow
708− -- , benchFold "concatMap" (concatMap 4) (unfoldrM streamLen16)
578+ -- , benchFold "concatMap" (concatMap 4) (sourceUnfoldrMN value16)
709579 ]
710−
711−o_1_space_concat :: Int -> Benchmark
712−o_1_space_concat streamLen =
713− bgroup "concat"
580+ , bgroup "concat"
714581 [ benchIOSrc1 "concatMapPure (n of 1)"
715− (concatMapPure streamLen 1)
582+ (concatMapPure value 1)
716583 , benchIOSrc1 "concatMapPure (sqrt n of sqrt n)"
717− (concatMapPure streamLen2 streamLen2)
584+ (concatMapPure value2 value2)
718585 , benchIOSrc1 "concatMapPure (1 of n)"
719− (concatMapPure 1 streamLen)
586+ (concatMapPure 1 value)
720587
721588 , benchIOSrc1 "concatMap (n of 1)"
722− (concatMap streamLen 1)
589+ (concatMap value 1)
723590 , benchIOSrc1 "concatMap (sqrt n of sqrt n)"
724− (concatMap streamLen2 streamLen2)
591+ (concatMap value2 value2)
725592 , benchIOSrc1 "concatMap (1 of n)"
726− (concatMap 1 streamLen)
593+ (concatMap 1 value)
727594
728595 , benchIOSrc1 "concatMapRepl (sqrt n of sqrt n)"
729− (concatMapRepl streamLen2 streamLen2)
596+ (concatMapRepl value2 value2)
730597
731598 -- This is for comparison with concatMapFoldableWith
732599 , benchIOSrc1 "concatMapWithId (n of 1) (fromFoldable)"
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)
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)
744608 ]
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)
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
760619 ]
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)
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
774630 ]
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)
631+ , bgroup "zipping"
632+ [ benchFold "zip" zip sourceUnfoldrM
781633 ]
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)
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
796645 ]
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)
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
811657 ]
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)
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
826669 ]
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
863670 ]
671+ ]
864672
865−o_n_heap :: Int -> Benchmark
866−o_n_heap streamLen =
867− bgroup (o_n_heap_prefix moduleName)
673+o_n_heap :: [Benchmark]
674+o_n_heap =
675+ [ bgroup (o_n_heap_prefix moduleName)
868676 [ bgroup "transformation"
869− [ benchFold "foldlS" (foldlS 1) (unfoldrM streamLen)
677+ [ benchFold "foldlS" (foldlS 1) sourceUnfoldrM
870678 ]
871679 ]
680+ ]
872681
873682{-# INLINE benchK #-}
874683benchK :: P.String -> (Int -> Stream P.IO Int) -> Benchmark
875−benchK name f = bench name $ nfIO $ randomRIO (1,1) >>= drain . f
684+benchK name f = bench name $ nfIO $ randomRIO (1,1) >>= toNull . f
876685
877−o_n_stack :: Int -> Int -> Int -> Benchmark
878−o_n_stack streamLen iterStreamLen maxIters =
879− bgroup (o_n_stack_prefix moduleName)
686+o_n_stack :: [Benchmark]
687+o_n_stack =
688+ [ bgroup (o_n_stack_prefix moduleName)
880689 [ bgroup "elimination"
881− [ benchFold "tail" tail (unfoldrM streamLen)
882− , benchFold "nullTail" nullTail (unfoldrM streamLen)
883− , benchFold "headTail" headTail (unfoldrM streamLen)
690+ [ benchFold "tail" tail sourceUnfoldrM
691+ , benchFold "nullTail" nullTail sourceUnfoldrM
692+ , benchFold "headTail" headTail sourceUnfoldrM
884693 ]
885694 , bgroup "transformation"
886695 [
887696 -- XXX why do these need so much stack
888− benchFold "intersperse" (intersperse streamLen 1) (unfoldrM streamLen2)
889− , benchFold "interspersePure" (intersperse streamLen 1) (unfoldr streamLen2)
697+ benchFold "intersperse" (intersperse 1) (sourceUnfoldrMN value2)
698+ , benchFold "interspersePure" (intersperse 1) (sourceUnfoldrN value2)
890699 ]
891700 , bgroup "transformationX4"
892701 [
893− benchFold "intersperse" (intersperse streamLen 4) (unfoldrM streamLen16)
702+ benchFold "intersperse" (intersperse 4) (sourceUnfoldrMN value16)
894703 ]
895704 , bgroup "iterated"
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)
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
903712 ]
904713 ]
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
714+ ]
908715
909−o_n_space :: Int -> Benchmark
910−o_n_space streamLen =
911− bgroup (o_n_space_prefix moduleName)
716+o_n_space :: [Benchmark]
717+o_n_space =
718+ [ bgroup (o_n_space_prefix moduleName)
912719 [ bgroup "elimination"
913− [ benchFold "toList" toList (unfoldrM streamLen)
720+ [ benchFold "toList" toList sourceUnfoldrM
914721 ]
915722 ]
723+ ]
916724
917725{-# INLINE benchList #-}
918726benchList :: P.String -> ([Int] -> [Int]) -> (Int -> [Int]) -> Benchmark
919727benchList name run f = bench name $ nfIO $ randomRIO (1,1) >>= return . run . f
920728
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
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)
928734 ]
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)
741+ ]
742+ ]
743+ ]
929744
930− where
931−
932− streamLen = 100000
933− maxIters = 10000
934− iterStreamLen = 10
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+ ]