module VectBuiltIn (
Builtins(..), sumTyCon, prodTyCon, prodDataCon,
- selTy, selReplicate, selPick, selElements,
+ selTy, selReplicate, selPick, selTags, selElements,
combinePDVar, scalarZip, closureCtrFun,
initBuiltins, initBuiltinVars, initBuiltinTyCons, initBuiltinDataCons,
initBuiltinPAs, initBuiltinPRs,
, selTys :: Array Int Type
, selReplicates :: Array Int CoreExpr
, selPicks :: Array Int CoreExpr
+ , selTagss :: Array Int CoreExpr
, selEls :: Array (Int, Int) CoreExpr
, sumTyCons :: Array Int TyCon
, closureTyCon :: TyCon
, liftedApplyVar :: Var
, replicatePDVar :: Var
, emptyPDVar :: Var
- , packPDVar :: Var
+ , packByTagPDVar :: Var
, combinePDVars :: Array Int Var
, scalarClass :: Class
, scalarZips :: Array Int Var
selPick :: Int -> Builtins -> CoreExpr
selPick = indexBuiltin "selPick" selPicks
+selTags :: Int -> Builtins -> CoreExpr
+selTags = indexBuiltin "selTags" selTagss
+
selElements :: Int -> Int -> Builtins -> CoreExpr
selElements i j = indexBuiltin "selElements" selEls (i,j)
(numbered "replicate" 2 mAX_DPH_SUM)
sel_picks <- mapM (externalFun dph_Selector)
(numbered "pick" 2 mAX_DPH_SUM)
+ sel_tags <- mapM (externalFun dph_Selector)
+ (numbered "tagsSel" 2 mAX_DPH_SUM)
sel_els <- mapM mk_elements
[(i,j) | i <- [2..mAX_DPH_SUM], j <- [0..i-1]]
sum_tcs <- mapM (externalTyCon dph_Repr)
let selTys = listArray (2, mAX_DPH_SUM) sel_tys
selReplicates = listArray (2, mAX_DPH_SUM) sel_replicates
selPicks = listArray (2, mAX_DPH_SUM) sel_picks
+ selTagss = listArray (2, mAX_DPH_SUM) sel_tags
selEls = array ((2,0), (mAX_DPH_SUM, mAX_DPH_SUM)) sel_els
sumTyCons = listArray (2, mAX_DPH_SUM) sum_tcs
liftedApplyVar <- externalVar dph_Closure (fsLit "liftedApply")
replicatePDVar <- externalVar dph_PArray (fsLit "replicatePD")
emptyPDVar <- externalVar dph_PArray (fsLit "emptyPD")
- packPDVar <- externalVar dph_PArray (fsLit "packPD")
+ packByTagPDVar <- externalVar dph_PArray (fsLit "packByTagPD")
combines <- mapM (externalVar dph_PArray)
[mkFastString ("combine" ++ show i ++ "PD")
| i <- [2..mAX_DPH_COMBINE]]
let combinePDVars = listArray (2, mAX_DPH_COMBINE) combines
- scalarClass <- externalClass dph_Scalar (fsLit "Scalar")
+ scalarClass <- externalClass dph_PArray (fsLit "Scalar")
scalar_map <- externalVar dph_Scalar (fsLit "scalar_map")
scalar_zip2 <- externalVar dph_Scalar (fsLit "scalar_zipWith")
scalar_zips <- mapM (externalVar dph_Scalar)
, selTys = selTys
, selReplicates = selReplicates
, selPicks = selPicks
+ , selTagss = selTagss
, selEls = selEls
, sumTyCons = sumTyCons
, closureTyCon = closureTyCon
, liftedApplyVar = liftedApplyVar
, replicatePDVar = replicatePDVar
, emptyPDVar = emptyPDVar
- , packPDVar = packPDVar
+ , packByTagPDVar = packByTagPDVar
, combinePDVars = combinePDVars
, scalarClass = scalarClass
, scalarZips = scalarZips
where
mk_tup n mod name = (tupleCon Boxed n, mod, name)
+
+-- | Mapping of prelude functions to vectorised versions.
+-- Functions like filterP currently have a working but naive version in GHC.PArr
+-- During vectorisation we replace these by calls to filterPA, which are
+-- defined in dph-common Data.Array.Parallel.Lifted.Combinators
+--
+-- As renamer only sees the GHC.PArr functions, if you want to add a new function
+-- to the vectoriser there has to be a definition for it in GHC.PArr, even though
+-- it will never be used at runtime.
+--
preludeVars :: Modules -> [(Module, FastString, Module, FastString)]
preludeVars (Modules { dph_Combinators = dph_Combinators
, dph_PArray = dph_PArray
, mk gHC_PARR (fsLit "lengthP") dph_Combinators (fsLit "lengthPA")
, mk gHC_PARR (fsLit "replicateP") dph_Combinators (fsLit "replicatePA")
, mk gHC_PARR (fsLit "!:") dph_Combinators (fsLit "indexPA")
+ , mk gHC_PARR (fsLit "sliceP") dph_Combinators (fsLit "slicePA")
, mk gHC_PARR (fsLit "crossMapP") dph_Combinators (fsLit "crossMapPA")
, mk gHC_PARR (fsLit "singletonP") dph_Combinators (fsLit "singletonPA")
, mk gHC_PARR (fsLit "concatP") dph_Combinators (fsLit "concatPA")