Skip to content

Translation error on DU case construction inside kernel  #147

Open
@dpanfilyonok

Description

@dpanfilyonok

Describe the bug

Unhandled exception. Brahma.FSharp.OpenCL.Translator.InvalidKernelException: Seems, that you try to use variable with name "rightItem", that declared out of quotation. Please, pass it as quoted function's p
arametaer.
   at Brahma.FSharp.OpenCL.Translator.Body.f@53-67[a](FSharpVar var, FSharpOption`1 _arg31)
   at [email protected](TranslationContext`2 state)
   at Brahma.FSharp.OpenCL.Translator.StateUtils.op_GreaterGreaterEquals@82-2.Invoke(a state)
   at Brahma.FSharp.OpenCL.Translator.Body.translateAsExpr@372-1.Invoke(TranslationContext`2 state)
   at [email protected](State`2 arg10@)
   at Microsoft.FSharp.Primitives.Basics.List.map[T,TResult](FSharpFunc`2 mapping, FSharpList`1 x) in D:\workspace\_work\1\s\src\fsharp\FSharp.Core\local.fs:line 248
   at Microsoft.FSharp.Collections.ListModule.Map[T,TResult](FSharpFunc`2 mapping, FSharpList`1 list) in D:\workspace\_work\1\s\src\fsharp\FSharp.Core\list.fs:line 75
   at Brahma.FSharp.OpenCL.Translator.Body.f@53-125(UnionCaseInfo unionCaseInfo, FSharpList`1 exprs, TranslationContext`2 _arg89, Type`1 _arg90)
   at [email protected](TranslationContext`2 state)
   at Brahma.FSharp.OpenCL.Translator.Body.translateAsExpr@372-1.Invoke(TranslationContext`2 state)
   at [email protected](TranslationContext`2 state)
   at Brahma.FSharp.OpenCL.Translator.StateUtils.op_GreaterGreaterEquals@82-2.Invoke(a state)
   at Brahma.FSharp.OpenCL.Translator.Body.translateAsExpr@372-1.Invoke(TranslationContext`2 state)
   at Brahma.FSharp.OpenCL.Translator.Body.translateBinding@119-1.Invoke(TranslationContext`2 state)
   at [email protected](TranslationContext`2 state)
   at [email protected](TranslationContext`2 state)
   at <StartupCode$Brahma-FSharp-OpenCL-Translator>[email protected](state context)
   at [email protected](TranslationContext`2 context)
   at Brahma.FSharp.OpenCL.Translator.StateUtils.op_GreaterGreaterEquals@82-2.Invoke(a state)
   at [email protected](a state)
   at [email protected](TranslationContext`2 state)
   at <StartupCode$Brahma-FSharp-OpenCL-Translator>[email protected](TranslationContext`2 state)
   at <StartupCode$Brahma-FSharp-OpenCL-Translator>[email protected](TranslationContext`2 state)
   at Brahma.FSharp.OpenCL.Translator.FSQuotationToOpenCLTranslator.translate(FSharpExpr expr)
   at Brahma.FSharp.OpenCL.Translator.FSQuotationToOpenCLTranslator.Translate(FSharpExpr qExpr)

To Reproduce

let right (opAdd: Expr<'a option -> 'b option -> 'c option>) =
    <@
        fun (rightItem: 'b) ->
            (%opAdd) None (Some rightItem)
    @>

let preparePositionsGeneral (rightRead: Expr<'b -> 'c option>) =
    <@
        fun (ndRange: Range1D)
            (length: int)
            (rightValues: ClArray<'b>) ->

        let gid = ndRange.GlobalID0

        if gid < length  then
            let b = (%rightRead) rightValues.[gid]
            ()
    @>

let preparePositions opAdd =
    preparePositionsGeneral (right opAdd)

let translator = FSQuotationToOpenCLTranslator.CreateDefault()
translator.Translate (preparePositions StandardOperations.float32Sum)
|> fst
|> AST.print
|> printfn "%A"

Workarounds
To use following function instead

let right (opAdd: Expr<'a option -> 'b option -> 'c option>) =
    <@
        fun (rightItem: 'b) ->
            let tmp = Some rightItem
            (%opAdd) None tmp
    @>

Additional context

  • OS: Windows 11
  • Brahma.FSharp: 2.0.1

Metadata

Metadata

Assignees

No one assigned

    Labels

    No labels
    No labels

    Type

    No type

    Projects

    No projects

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions