diff options
Diffstat (limited to 'src/Data/Array/Mixed')
| -rw-r--r-- | src/Data/Array/Mixed/Internal/Arith.hs | 118 | ||||
| -rw-r--r-- | src/Data/Array/Mixed/Internal/Arith/Foreign.hs | 1 | ||||
| -rw-r--r-- | src/Data/Array/Mixed/Lemmas.hs | 3 | ||||
| -rw-r--r-- | src/Data/Array/Mixed/Shape.hs | 16 | ||||
| -rw-r--r-- | src/Data/Array/Mixed/Types.hs | 5 | 
5 files changed, 89 insertions, 54 deletions
| diff --git a/src/Data/Array/Mixed/Internal/Arith.hs b/src/Data/Array/Mixed/Internal/Arith.hs index 9f99c3b..fc26633 100644 --- a/src/Data/Array/Mixed/Internal/Arith.hs +++ b/src/Data/Array/Mixed/Internal/Arith.hs @@ -31,6 +31,7 @@ import System.IO.Unsafe  import Data.Array.Mixed.Internal.Arith.Foreign  import Data.Array.Mixed.Internal.Arith.Lists +import Data.Array.Mixed.Types (fromSNat')  -- TODO: need to sort strides for reduction-like functions so that the C inner-loop specialisation has some chance of working even after transposition @@ -304,36 +305,44 @@ vectorExtremumOp ptrconv fextrem (RS.A (RG.A sh (OI.T strides offset vec)))               . VS.toList               <$> VS.unsafeFreeze outvR -vectorDotprodOp :: (Num a, Storable a) -                => (b -> a) -                -> (Ptr a -> Ptr b) -                -> (Int64 -> Ptr b -> Ptr Int64 -> Ptr Int64 -> Ptr b -> IO ())  -- ^ reduction kernel -                -> (Int64 -> Ptr b -> Ptr b -> IO b)  -- ^ dotprod kernel -                -> (Int64 -> Int64 -> Int64 -> Ptr b -> Int64 -> Int64 -> Ptr b -> IO b)  -- ^ strided dotprod kernel -                -> RS.Array 1 a -> RS.Array 1 a -> a -vectorDotprodOp valbackconv ptrconv fred fdot fdotstrided -    (RS.A (RG.A [len1] (OI.T [stride1] offset1 vec1))) -    (RS.A (RG.A [len2] (OI.T [stride2] offset2 vec2))) -  | len1 /= len2 = error $ "vectorDotprodOp: lengths unequal: " ++ show len1 ++ " vs " ++ show len2 -  | len1 == 0 = 0  -- if the arrays are empty, just return zero -  | otherwise = case (stride1, stride2) of -      (0, 0) ->  -- replicated scalar * replicated scalar -        fromIntegral len1 * (vec1 VS.! offset1) * (vec2 VS.! offset2) -      (0, 1) ->  -- replicated scalar * dense -        dotScalarVector len1 ptrconv fred (vec1 VS.! offset1) (VS.slice offset2 len1 vec2) -      (0, -1) ->  -- replicated scalar * reversed dense -        dotScalarVector len1 ptrconv fred (vec1 VS.! offset1) (VS.slice (offset2 - (len1 - 1)) len1 vec2) -      (1, 0) ->  -- dense * replicated scalar -        dotScalarVector len1 ptrconv fred (vec2 VS.! offset2) (VS.slice offset1 len1 vec1) -      (-1, 0) ->  -- reversed dense * replicated scalar -        dotScalarVector len1 ptrconv fred (vec2 VS.! offset2) (VS.slice (offset1 - (len1 - 1)) len1 vec1) -      (1, 1) ->  -- dense * dense -        dotVectorVector len1 valbackconv ptrconv fdot (VS.slice offset1 len1 vec1) (VS.slice offset2 len1 vec2) -      (-1, -1) ->  -- reversed dense * reversed dense -        dotVectorVector len1 valbackconv ptrconv fdot (VS.slice (offset1 - (len1 - 1)) len1 vec1) (VS.slice (offset2 - (len1 - 1)) len1 vec2) -      (_, _) ->  -- fallback case -        dotVectorVectorStrided len1 valbackconv ptrconv fdotstrided offset1 stride1 vec1 offset2 stride2 vec2 -vectorDotprodOp _ _ _ _ _ _ _ = error "vectorDotprodOp: not one-dimensional?" +vectorDotprodInnerOp :: forall a b n. (Num a, Storable a) +                     => SNat n +                     -> (a -> b) +                     -> (Ptr a -> Ptr b) +                     -> (SNat n -> RS.Array n a -> RS.Array n a -> RS.Array n a)  -- ^ elementwise multiplication +                     -> (Int64 -> Ptr b -> b -> Ptr b -> IO ())  -- ^ scale by constant +                     -> (Int64 -> Ptr b -> Ptr Int64 -> Ptr Int64 -> Ptr b -> IO ())  -- ^ reduction kernel +                     -> (Int64 -> Ptr Int64 -> Ptr b -> Ptr Int64 -> Ptr b -> Ptr Int64 -> Ptr b -> IO ())  -- ^ dotprod kernel +                     -> RS.Array (n + 1) a -> RS.Array (n + 1) a -> RS.Array n a +vectorDotprodInnerOp sn@SNat valconv ptrconv fmul fscale fred fdotinner +    arr1@(RS.A (RG.A sh1 (OI.T strides1 offset1 vec1))) +    arr2@(RS.A (RG.A sh2 (OI.T strides2 offset2 vec2))) +  | null sh1 || null sh2 = error "unreachable" +  | sh1 /= sh2 = error $ "vectorDotprodInnerOp: shapes unequal: " ++ show sh1 ++ " vs " ++ show sh2 +  | last sh1 <= 0 = RS.stretch (init sh1) (RS.fromList (1 <$ init sh1) [0]) +  | any (<= 0) (init sh1) = RS.A (RG.A (init sh1) (OI.T (0 <$ init strides1) 0 VS.empty)) +  -- now the input arrays are nonempty +  | last sh1 == 1 = fmul sn (RS.reshape (init sh1) arr1) (RS.reshape (init sh1) arr2) +  | last strides1 == 0 = +      fmul sn +        (RS.A (RG.A (init sh1) (OI.T (init strides1) offset1 vec1))) +        (vectorRedInnerOp sn valconv ptrconv fscale fred arr2) +  | last strides2 == 0 = +      fmul sn +        (vectorRedInnerOp sn valconv ptrconv fscale fred arr1) +        (RS.A (RG.A (init sh2) (OI.T (init strides2) offset2 vec2))) +  -- now there is useful dotprod work along the inner dimension +  | otherwise = unsafePerformIO $ do +      let inrank = fromSNat' sn + 1 +      outv <- VSM.unsafeNew (product (init sh1)) +      VSM.unsafeWith outv $ \poutv -> +        VS.unsafeWith (VS.fromListN inrank (map fromIntegral sh1)) $ \psh -> +        VS.unsafeWith (VS.fromListN inrank (map fromIntegral strides1)) $ \pstrides1 -> +        VS.unsafeWith vec1 $ \pvec1 -> +        VS.unsafeWith (VS.fromListN inrank (map fromIntegral strides2)) $ \pstrides2 -> +        VS.unsafeWith vec2 $ \pvec2 -> +          fdotinner (fromIntegral @Int @Int64 inrank) psh (ptrconv poutv) pstrides1 (ptrconv pvec1) pstrides2 (ptrconv pvec2) +      RS.fromVector @_ @n (init sh1) <$> VS.unsafeFreeze outv  {-# NOINLINE dotScalarVector #-}  dotScalarVector :: forall a b. (Num a, Storable a) @@ -461,13 +470,14 @@ $(fmap concat . forM typesList $ \arithtype ->  $(fmap concat . forM typesList $ \arithtype -> do      let ttyp = conT (atType arithtype) -        name = mkName ("dotprodVector" ++ nameBase (atType arithtype)) -        c_op = varE (mkName ("c_dotprod_" ++ atCName arithtype)) -        c_op_strided = varE (mkName ("c_dotprod_" ++ atCName arithtype ++ "_strided")) +        name = mkName ("dotprodinnerVector" ++ nameBase (atType arithtype)) +        c_op = varE (mkName ("c_dotprodinner_" ++ atCName arithtype)) +        mul_op = varE (mkName ("mulVector" ++ nameBase (atType arithtype))) +        c_scale_op = varE (mkName ("c_binary_" ++ atCName arithtype ++ "_sv")) `appE` litE (integerL (fromIntegral (aboEnum BO_MUL)))          c_red_op = varE (mkName ("c_reduce1_" ++ atCName arithtype)) `appE` litE (integerL (fromIntegral (aroEnum RO_SUM)))      sequence [SigD name <$> -                   [t| RS.Array 1 $ttyp -> RS.Array 1 $ttyp -> $ttyp |] -             ,do body <- [| vectorDotprodOp id id $c_red_op $c_op $c_op_strided |] +                   [t| forall n. SNat n -> RS.Array (n + 1) $ttyp -> RS.Array (n + 1) $ttyp -> RS.Array n $ttyp |] +             ,do body <- [| \sn -> vectorDotprodInnerOp sn id id $mul_op $c_scale_op $c_red_op $c_op |]                   return $ FunD name [Clause [] (NormalB body) []]])  -- This branch is ostensibly a runtime branch, but will (hopefully) be @@ -533,19 +543,19 @@ intWidBranchExtr fextr32 fextr64    | finiteBitSize (undefined :: i) == 64 = vectorExtremumOp @i @Int64 castPtr fextr64    | otherwise = error "Unsupported Int width" -intWidBranchDotprod :: forall i. (FiniteBits i, Storable i, Integral i) +intWidBranchDotprod :: forall i n. (FiniteBits i, Storable i, Integral i, NumElt i)                      => -- int32 -                       (Int64 -> Ptr Int32 -> Ptr Int64 -> Ptr Int64 -> Ptr Int32 -> IO ())  -- ^ reduction kernel -                    -> (Int64 -> Ptr Int32 -> Ptr Int32 -> IO Int32)  -- ^ dotprod kernel -                    -> (Int64 -> Int64 -> Int64 -> Ptr Int32 -> Int64 -> Int64 -> Ptr Int32 -> IO Int32)  -- ^ strided dotprod kernel +                       (Int64 -> Ptr Int32 -> Int32 -> Ptr Int32 -> IO ())  -- ^ scale by constant +                    -> (Int64 -> Ptr Int32 -> Ptr Int64 -> Ptr Int64 -> Ptr Int32 -> IO ())  -- ^ reduction kernel +                    -> (Int64 -> Ptr Int64 -> Ptr Int32 -> Ptr Int64 -> Ptr Int32 -> Ptr Int64 -> Ptr Int32 -> IO ())  -- ^ dotprod kernel                         -- int64 +                    -> (Int64 -> Ptr Int64 -> Int64 -> Ptr Int64 -> IO ())  -- ^ scale by constant                      -> (Int64 -> Ptr Int64 -> Ptr Int64 -> Ptr Int64 -> Ptr Int64 -> IO ())  -- ^ reduction kernel -                    -> (Int64 -> Ptr Int64 -> Ptr Int64 -> IO Int64)  -- ^ dotprod kernel -                    -> (Int64 -> Int64 -> Int64 -> Ptr Int64 -> Int64 -> Int64 -> Ptr Int64 -> IO Int64)  -- ^ strided dotprod kernel -                    -> (RS.Array 1 i -> RS.Array 1 i -> i) -intWidBranchDotprod fred32 fdot32 fdot32strided fred64 fdot64 fdot64strided -  | finiteBitSize (undefined :: i) == 32 = vectorDotprodOp @i @Int32 fromIntegral castPtr fred32 fdot32 fdot32strided -  | finiteBitSize (undefined :: i) == 64 = vectorDotprodOp @i @Int64 fromIntegral castPtr fred64 fdot64 fdot64strided +                    -> (Int64 -> Ptr Int64 -> Ptr Int64 -> Ptr Int64 -> Ptr Int64 -> Ptr Int64 -> Ptr Int64 -> IO ())  -- ^ dotprod kernel +                    -> (SNat n -> RS.Array (n + 1) i -> RS.Array (n + 1) i -> RS.Array n i) +intWidBranchDotprod fsc32 fred32 fdot32 fsc64 fred64 fdot64 sn +  | finiteBitSize (undefined :: i) == 32 = vectorDotprodInnerOp @i @Int32 sn fromIntegral castPtr numEltMul fsc32 fred32 fdot32 +  | finiteBitSize (undefined :: i) == 64 = vectorDotprodInnerOp @i @Int64 sn fromIntegral castPtr numEltMul fsc64 fred64 fdot64    | otherwise = error "Unsupported Int width"  class NumElt a where @@ -561,7 +571,7 @@ class NumElt a where    numEltProductFull :: SNat n -> RS.Array n a -> a    numEltMinIndex :: RS.Array n a -> [Int]    numEltMaxIndex :: RS.Array n a -> [Int] -  numEltDotprod :: RS.Array 1 a -> RS.Array 1 a -> a +  numEltDotprodInner :: SNat n -> RS.Array (n + 1) a -> RS.Array (n + 1) a -> RS.Array n a  instance NumElt Int32 where    numEltAdd = addVectorInt32 @@ -576,7 +586,7 @@ instance NumElt Int32 where    numEltProductFull = productFullVectorInt32    numEltMinIndex = minindexVectorInt32    numEltMaxIndex = maxindexVectorInt32 -  numEltDotprod = dotprodVectorInt32 +  numEltDotprodInner = dotprodinnerVectorInt32  instance NumElt Int64 where    numEltAdd = addVectorInt64 @@ -591,7 +601,7 @@ instance NumElt Int64 where    numEltProductFull = productFullVectorInt64    numEltMinIndex = minindexVectorInt64    numEltMaxIndex = maxindexVectorInt64 -  numEltDotprod = dotprodVectorInt64 +  numEltDotprodInner = dotprodinnerVectorInt64  instance NumElt Float where    numEltAdd = addVectorFloat @@ -606,7 +616,7 @@ instance NumElt Float where    numEltProductFull = productFullVectorFloat    numEltMinIndex = minindexVectorFloat    numEltMaxIndex = maxindexVectorFloat -  numEltDotprod = dotprodVectorFloat +  numEltDotprodInner = dotprodinnerVectorFloat  instance NumElt Double where    numEltAdd = addVectorDouble @@ -621,7 +631,7 @@ instance NumElt Double where    numEltProductFull = productFullVectorDouble    numEltMinIndex = minindexVectorDouble    numEltMaxIndex = maxindexVectorDouble -  numEltDotprod = dotprodVectorDouble +  numEltDotprodInner = dotprodinnerVectorDouble  instance NumElt Int where    numEltAdd = intWidBranch2 @Int (+) @@ -646,8 +656,8 @@ instance NumElt Int where    numEltProductFull = intWidBranchRedFull @Int (^) (c_reducefull_i32 (aroEnum RO_PRODUCT)) (c_reducefull_i64 (aroEnum RO_PRODUCT))    numEltMinIndex = intWidBranchExtr @Int c_extremum_min_i32 c_extremum_min_i64    numEltMaxIndex = intWidBranchExtr @Int c_extremum_max_i32 c_extremum_max_i64 -  numEltDotprod = intWidBranchDotprod @Int (c_reduce1_i32 (aroEnum RO_SUM)) c_dotprod_i32 c_dotprod_i32_strided -                                           (c_reduce1_i64 (aroEnum RO_SUM)) c_dotprod_i64 c_dotprod_i64_strided +  numEltDotprodInner = intWidBranchDotprod @Int (c_binary_i32_sv (aboEnum BO_MUL)) (c_reduce1_i32 (aroEnum RO_SUM)) c_dotprodinner_i32 +                                                (c_binary_i64_sv (aboEnum BO_MUL)) (c_reduce1_i64 (aroEnum RO_SUM)) c_dotprodinner_i64  instance NumElt CInt where    numEltAdd = intWidBranch2 @CInt (+) @@ -672,8 +682,8 @@ instance NumElt CInt where    numEltProductFull = intWidBranchRedFull @CInt (^) (c_reducefull_i32 (aroEnum RO_PRODUCT)) (c_reducefull_i64 (aroEnum RO_PRODUCT))    numEltMinIndex = intWidBranchExtr @CInt c_extremum_min_i32 c_extremum_min_i64    numEltMaxIndex = intWidBranchExtr @CInt c_extremum_max_i32 c_extremum_max_i64 -  numEltDotprod = intWidBranchDotprod @CInt (c_reduce1_i32 (aroEnum RO_SUM)) c_dotprod_i32 c_dotprod_i32_strided -                                            (c_reduce1_i64 (aroEnum RO_SUM)) c_dotprod_i64 c_dotprod_i64_strided +  numEltDotprodInner = intWidBranchDotprod @CInt (c_binary_i32_sv (aboEnum BO_MUL)) (c_reduce1_i32 (aroEnum RO_SUM)) c_dotprodinner_i32 +                                                 (c_binary_i64_sv (aboEnum BO_MUL)) (c_reduce1_i64 (aroEnum RO_SUM)) c_dotprodinner_i64  class FloatElt a where    floatEltDiv :: SNat n -> RS.Array n a -> RS.Array n a -> RS.Array n a diff --git a/src/Data/Array/Mixed/Internal/Arith/Foreign.hs b/src/Data/Array/Mixed/Internal/Arith/Foreign.hs index c1c0070..ade7ce1 100644 --- a/src/Data/Array/Mixed/Internal/Arith/Foreign.hs +++ b/src/Data/Array/Mixed/Internal/Arith/Foreign.hs @@ -22,6 +22,7 @@ $(do          ,("extremum_max_" ++ tyn,          [t| Ptr Int64 -> Int64 -> Ptr Int64 -> Ptr Int64 -> Ptr $ttyp -> IO () |])          ,("dotprod_" ++ tyn,               [t| Int64 -> Ptr $ttyp -> Ptr $ttyp -> IO $ttyp |])          ,("dotprod_" ++ tyn ++ "_strided", [t| Int64 -> Int64 -> Int64 -> Ptr $ttyp -> Int64 -> Int64 -> Ptr $ttyp -> IO $ttyp |]) +        ,("dotprodinner_" ++ tyn,          [t| Int64 -> Ptr Int64 -> Ptr $ttyp -> Ptr Int64 -> Ptr $ttyp -> Ptr Int64 -> Ptr $ttyp -> IO () |])          ]    let importsFloat ttyp tyn = diff --git a/src/Data/Array/Mixed/Lemmas.hs b/src/Data/Array/Mixed/Lemmas.hs index 633c9c2..ec7e7bd 100644 --- a/src/Data/Array/Mixed/Lemmas.hs +++ b/src/Data/Array/Mixed/Lemmas.hs @@ -108,6 +108,9 @@ lemTakeLenApp _ _ _ = unsafeCoerceRefl  lemInitApp :: Proxy l -> Proxy x -> Init (l ++ '[x]) :~: l  lemInitApp _ _ = unsafeCoerceRefl +lemLastApp :: Proxy l -> Proxy x -> Last (l ++ '[x]) :~: x +lemLastApp _ _ = unsafeCoerceRefl +  -- ** KnownNat diff --git a/src/Data/Array/Mixed/Shape.hs b/src/Data/Array/Mixed/Shape.hs index a15e0a2..1285aa1 100644 --- a/src/Data/Array/Mixed/Shape.hs +++ b/src/Data/Array/Mixed/Shape.hs @@ -121,6 +121,10 @@ listxInit :: forall f n sh. ListX (n : sh) f -> ListX (Init (n : sh)) f  listxInit (i ::% sh@(_ ::% _)) = i ::% listxInit sh  listxInit (_ ::% ZX) = ZX +listxLast :: forall f n sh. ListX (n : sh) f -> f (Last (n : sh)) +listxLast (_ ::% sh@(_ ::% _)) = listxLast sh +listxLast (x ::% ZX) = x +  -- * Mixed indices @@ -179,6 +183,9 @@ ixxDrop = coerce (listxDrop @(Const i) @(Const i))  ixxInit :: forall n sh i. IxX (n : sh) i -> IxX (Init (n : sh)) i  ixxInit = coerce (listxInit @(Const i)) +ixxLast :: forall n sh i. IxX (n : sh) i -> i +ixxLast = coerce (listxLast @(Const i)) +  ixxFromLinear :: IShX sh -> Int -> IIxX sh  ixxFromLinear = \sh i -> case go sh i of    (idx, 0) -> idx @@ -330,6 +337,9 @@ shxDropSh = coerce (listxDrop @(SMayNat i SNat) @(SMayNat i SNat))  shxInit :: forall n sh i. ShX (n : sh) i -> ShX (Init (n : sh)) i  shxInit = coerce (listxInit @(SMayNat i SNat)) +shxLast :: forall n sh i. ShX (n : sh) i -> SMayNat i SNat (Last (n : sh)) +shxLast = coerce (listxLast @(SMayNat i SNat)) +  shxTakeSSX :: forall sh sh' i. Proxy sh' -> ShX (sh ++ sh') i -> StaticShX sh -> ShX sh i  shxTakeSSX _ = flip go    where @@ -404,6 +414,12 @@ ssxTail (_ :!% ssh) = ssh  ssxDropIx :: forall sh sh' i. StaticShX (sh ++ sh') -> IxX sh i -> StaticShX sh'  ssxDropIx = coerce (listxDrop @(SMayNat () SNat) @(Const i)) +ssxInit :: forall n sh. StaticShX (n : sh) -> StaticShX (Init (n : sh)) +ssxInit = coerce (listxInit @(SMayNat () SNat)) + +ssxLast :: forall n sh. StaticShX (n : sh) -> SMayNat () SNat (Last (n : sh)) +ssxLast = coerce (listxLast @(SMayNat () SNat)) +  -- | This may fail if @sh@ has @Nothing@s in it.  ssxToShX' :: StaticShX sh -> Maybe (IShX sh)  ssxToShX' ZKX = Just ZSX diff --git a/src/Data/Array/Mixed/Types.hs b/src/Data/Array/Mixed/Types.hs index 22d06e5..8e90a88 100644 --- a/src/Data/Array/Mixed/Types.hs +++ b/src/Data/Array/Mixed/Types.hs @@ -29,6 +29,7 @@ module Data.Array.Mixed.Types (    MapJust,    Tail,    Init, +  Last,    -- * Unsafe    unsafeCoerceRefl, @@ -105,6 +106,10 @@ type family Init l where    Init (x : y : xs) = x : Init (y : xs)    Init '[x] = '[] +type family Last l where +  Last (x : y : xs) = Last (y : xs) +  Last '[x] = x +  -- | This is just @'Unsafe.Coerce.unsafeCoerce' 'Refl'@, but specialised to  -- only typecheck for actual type equalities. One cannot, e.g. accidentally | 
