[5adf4f4] | 1 | // https://github.com/asynkron/protoactor-go |
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| 2 | // https://pkg.go.dev/github.com/asynkron/protoactor-go/actor |
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| 3 | package main |
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| 4 | |
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| 5 | import ( |
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| 6 | "os"; "strconv"; "fmt"; "time"; "runtime" |
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| 7 | "github.com/asynkron/protoactor-go/actor" |
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| 8 | ) |
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| 9 | |
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| 10 | var Times int = 2_000_000; |
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| 11 | var start time.Time; |
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| 12 | var shake = make( chan string ) |
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| 13 | var system * actor.ActorSystem |
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| 14 | |
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| 15 | type Msg struct { cnt int } |
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| 16 | type Send struct{} |
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| 17 | |
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| 18 | func ( state * Send ) Receive( context actor.Context ) { |
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| 19 | switch msg := context.Message().(type) { |
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| 20 | case * Msg: |
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| 21 | if msg.cnt >= Times { |
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| 22 | fmt.Printf( "%v\n", int64(time.Since(start) / time.Duration(Times) / time.Nanosecond) ); |
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| 23 | shake <- "hand" |
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| 24 | return; |
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| 25 | } // if |
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| 26 | //fmt.Printf( "Send %v\n", msg.cnt ); |
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| 27 | props := actor.PropsFromProducer( func() actor.Actor { return &Send{} } ) |
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| 28 | pid := system.Root.Spawn( props ) |
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| 29 | system.Root.Send( pid, &Msg{ msg.cnt + 1 } ); |
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| 30 | system.Root.Stop( context.Self() ); |
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| 31 | default: |
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| 32 | // ignore actor.Started message |
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| 33 | } |
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| 34 | } |
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| 35 | |
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| 36 | func usage() { |
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| 37 | fmt.Printf( "Usage: %v [ times (> 0) ]\n", os.Args[0] ); |
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| 38 | os.Exit( 1 ); |
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| 39 | } |
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| 40 | |
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| 41 | func main() { |
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| 42 | switch len( os.Args ) { |
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| 43 | case 2: |
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| 44 | if os.Args[1] != "d" { Times, _ = strconv.Atoi( os.Args[1] ) } |
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| 45 | if Times < 1 { usage(); } |
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| 46 | case 1: // use defaults |
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| 47 | default: |
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| 48 | usage(); |
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| 49 | } // switch |
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| 50 | |
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| 51 | runtime.GOMAXPROCS(1); |
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| 52 | system = actor.NewActorSystem(); |
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| 53 | props := actor.PropsFromProducer( func() actor.Actor { return &Send{} } ); |
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| 54 | pid := system.Root.Spawn(props); |
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| 55 | start = time.Now(); |
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| 56 | system.Root.Send( pid, &Msg{ 0 } ); |
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| 57 | <- shake |
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| 58 | } |
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| 59 | |
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| 60 | // /usr/bin/time -f "%Uu %Ss %Er %Mkb" GoSendDynamic |
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| 61 | |
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| 62 | // Local Variables: // |
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| 63 | // tab-width: 4 // |
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| 64 | // compile-command: "go build" // |
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| 65 | // End: // |
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