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paraller exec
Async & paraller
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open System
let longComputation x =
let startTime = DateTime.Now.Ticks
async {
printfn "item of %d starts is calculation at %s" x (TimeSpan(DateTime.Now.Ticks - startTime).ToString("G"))
let sleeptime = x * 100
do! Async.Sleep sleeptime
printfn "item of %d processed at %s" x (TimeSpan(DateTime.Now.Ticks - startTime).ToString("G"))
return x + 1
}
let computation = [1 .. 5] |> List.map (fun item -> longComputation item) |> Async.Parallel
printfn "Result of computations is %d" (computation |> Async.RunSynchronously |> Array.sum)
|
namespace System
val longComputation : x:int -> Async<int>
Full name: Script.longComputation
val x : int
val startTime : int64
Multiple items
type DateTime =
struct
new : ticks:int64 -> DateTime + 10 overloads
member Add : value:TimeSpan -> DateTime
member AddDays : value:float -> DateTime
member AddHours : value:float -> DateTime
member AddMilliseconds : value:float -> DateTime
member AddMinutes : value:float -> DateTime
member AddMonths : months:int -> DateTime
member AddSeconds : value:float -> DateTime
member AddTicks : value:int64 -> DateTime
member AddYears : value:int -> DateTime
...
end
Full name: System.DateTime
--------------------
DateTime()
(+0 other overloads)
DateTime(ticks: int64) : unit
(+0 other overloads)
DateTime(ticks: int64, kind: DateTimeKind) : unit
(+0 other overloads)
DateTime(year: int, month: int, day: int) : unit
(+0 other overloads)
DateTime(year: int, month: int, day: int, calendar: Globalization.Calendar) : unit
(+0 other overloads)
DateTime(year: int, month: int, day: int, hour: int, minute: int, second: int) : unit
(+0 other overloads)
DateTime(year: int, month: int, day: int, hour: int, minute: int, second: int, kind: DateTimeKind) : unit
(+0 other overloads)
DateTime(year: int, month: int, day: int, hour: int, minute: int, second: int, calendar: Globalization.Calendar) : unit
(+0 other overloads)
DateTime(year: int, month: int, day: int, hour: int, minute: int, second: int, millisecond: int) : unit
(+0 other overloads)
DateTime(year: int, month: int, day: int, hour: int, minute: int, second: int, millisecond: int, kind: DateTimeKind) : unit
(+0 other overloads)
property DateTime.Now: DateTime
property DateTime.Ticks: int64
val async : AsyncBuilder
Full name: Microsoft.FSharp.Core.ExtraTopLevelOperators.async
val printfn : format:Printf.TextWriterFormat<'T> -> 'T
Full name: Microsoft.FSharp.Core.ExtraTopLevelOperators.printfn
Multiple items
type TimeSpan =
struct
new : ticks:int64 -> TimeSpan + 3 overloads
member Add : ts:TimeSpan -> TimeSpan
member CompareTo : value:obj -> int + 1 overload
member Days : int
member Duration : unit -> TimeSpan
member Equals : value:obj -> bool + 1 overload
member GetHashCode : unit -> int
member Hours : int
member Milliseconds : int
member Minutes : int
...
end
Full name: System.TimeSpan
--------------------
TimeSpan()
TimeSpan(ticks: int64) : unit
TimeSpan(hours: int, minutes: int, seconds: int) : unit
TimeSpan(days: int, hours: int, minutes: int, seconds: int) : unit
TimeSpan(days: int, hours: int, minutes: int, seconds: int, milliseconds: int) : unit
val sleeptime : int
Multiple items
type Async
static member AsBeginEnd : computation:('Arg -> Async<'T>) -> ('Arg * AsyncCallback * obj -> IAsyncResult) * (IAsyncResult -> 'T) * (IAsyncResult -> unit)
static member AwaitEvent : event:IEvent<'Del,'T> * ?cancelAction:(unit -> unit) -> Async<'T> (requires delegate and 'Del :> Delegate)
static member AwaitIAsyncResult : iar:IAsyncResult * ?millisecondsTimeout:int -> Async<bool>
static member AwaitTask : task:Task<'T> -> Async<'T>
static member AwaitWaitHandle : waitHandle:WaitHandle * ?millisecondsTimeout:int -> Async<bool>
static member CancelDefaultToken : unit -> unit
static member Catch : computation:Async<'T> -> Async<Choice<'T,exn>>
static member FromBeginEnd : beginAction:(AsyncCallback * obj -> IAsyncResult) * endAction:(IAsyncResult -> 'T) * ?cancelAction:(unit -> unit) -> Async<'T>
static member FromBeginEnd : arg:'Arg1 * beginAction:('Arg1 * AsyncCallback * obj -> IAsyncResult) * endAction:(IAsyncResult -> 'T) * ?cancelAction:(unit -> unit) -> Async<'T>
static member FromBeginEnd : arg1:'Arg1 * arg2:'Arg2 * beginAction:('Arg1 * 'Arg2 * AsyncCallback * obj -> IAsyncResult) * endAction:(IAsyncResult -> 'T) * ?cancelAction:(unit -> unit) -> Async<'T>
static member FromBeginEnd : arg1:'Arg1 * arg2:'Arg2 * arg3:'Arg3 * beginAction:('Arg1 * 'Arg2 * 'Arg3 * AsyncCallback * obj -> IAsyncResult) * endAction:(IAsyncResult -> 'T) * ?cancelAction:(unit -> unit) -> Async<'T>
static member FromContinuations : callback:(('T -> unit) * (exn -> unit) * (OperationCanceledException -> unit) -> unit) -> Async<'T>
static member Ignore : computation:Async<'T> -> Async<unit>
static member OnCancel : interruption:(unit -> unit) -> Async<IDisposable>
static member Parallel : computations:seq<Async<'T>> -> Async<'T []>
static member RunSynchronously : computation:Async<'T> * ?timeout:int * ?cancellationToken:CancellationToken -> 'T
static member Sleep : millisecondsDueTime:int -> Async<unit>
static member Start : computation:Async<unit> * ?cancellationToken:CancellationToken -> unit
static member StartAsTask : computation:Async<'T> * ?taskCreationOptions:TaskCreationOptions * ?cancellationToken:CancellationToken -> Task<'T>
static member StartChild : computation:Async<'T> * ?millisecondsTimeout:int -> Async<Async<'T>>
static member StartChildAsTask : computation:Async<'T> * ?taskCreationOptions:TaskCreationOptions -> Async<Task<'T>>
static member StartImmediate : computation:Async<unit> * ?cancellationToken:CancellationToken -> unit
static member StartWithContinuations : computation:Async<'T> * continuation:('T -> unit) * exceptionContinuation:(exn -> unit) * cancellationContinuation:(OperationCanceledException -> unit) * ?cancellationToken:CancellationToken -> unit
static member SwitchToContext : syncContext:SynchronizationContext -> Async<unit>
static member SwitchToNewThread : unit -> Async<unit>
static member SwitchToThreadPool : unit -> Async<unit>
static member TryCancelled : computation:Async<'T> * compensation:(OperationCanceledException -> unit) -> Async<'T>
static member CancellationToken : Async<CancellationToken>
static member DefaultCancellationToken : CancellationToken
Full name: Microsoft.FSharp.Control.Async
--------------------
type Async<'T>
Full name: Microsoft.FSharp.Control.Async<_>
static member Async.Sleep : millisecondsDueTime:int -> Async<unit>
val computation : Async<int []>
Full name: Script.computation
Multiple items
module List
from Microsoft.FSharp.Collections
--------------------
type List<'T> =
| ( [] )
| ( :: ) of Head: 'T * Tail: 'T list
interface IEnumerable
interface IEnumerable<'T>
member Head : 'T
member IsEmpty : bool
member Item : index:int -> 'T with get
member Length : int
member Tail : 'T list
static member Cons : head:'T * tail:'T list -> 'T list
static member Empty : 'T list
Full name: Microsoft.FSharp.Collections.List<_>
val map : mapping:('T -> 'U) -> list:'T list -> 'U list
Full name: Microsoft.FSharp.Collections.List.map
val item : int
static member Async.Parallel : computations:seq<Async<'T>> -> Async<'T []>
static member Async.RunSynchronously : computation:Async<'T> * ?timeout:int * ?cancellationToken:Threading.CancellationToken -> 'T
type Array =
member Clone : unit -> obj
member CopyTo : array:Array * index:int -> unit + 1 overload
member GetEnumerator : unit -> IEnumerator
member GetLength : dimension:int -> int
member GetLongLength : dimension:int -> int64
member GetLowerBound : dimension:int -> int
member GetUpperBound : dimension:int -> int
member GetValue : [<ParamArray>] indices:int[] -> obj + 7 overloads
member Initialize : unit -> unit
member IsFixedSize : bool
...
Full name: System.Array
val sum : array:'T [] -> 'T (requires member ( + ) and member get_Zero)
Full name: Microsoft.FSharp.Collections.Array.sum
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