[5adf4f4] | 1 | // https://github.com/AsynkronIT/protoactor-go |
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| 2 | // https://pkg.go.dev/github.com/AsynkronIT/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"; "sync/atomic" |
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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 xr, xc, yc uint64 = 3_072, 3_072, 3_072 // default values |
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| 11 | |
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| 12 | var Processors int = 1 |
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| 13 | |
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| 14 | var starttime time.Time; |
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| 15 | var shake = make( chan string ) |
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| 16 | var actorCnt uint64 = 0 |
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| 17 | |
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| 18 | type Msg struct { |
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| 19 | Z []int |
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| 20 | X []int |
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| 21 | Y [][]int |
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| 22 | } |
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| 23 | |
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| 24 | func NewMsg( Z_ []int, X_ []int, Y_ [][]int ) *Msg { |
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| 25 | return &Msg{ Z: Z_, X: X_, Y: Y_ } |
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| 26 | } |
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| 27 | |
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| 28 | var msg Msg |
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| 29 | type MatrixMult struct { |
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| 30 | actors [] * actor.PID; |
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| 31 | id, rounds, group, recs, sends int; |
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| 32 | } |
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| 33 | var system * actor.ActorSystem |
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| 34 | |
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| 35 | func ( state * MatrixMult ) Receive( context actor.Context ) { |
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| 36 | switch msg := context.Message().(type) { |
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| 37 | case * Msg: |
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| 38 | for i := uint64(0); i < yc; i += 1 { |
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| 39 | msg.Z[i] = 0 |
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| 40 | for j := uint64(0); j < xc; j += 1 { |
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| 41 | msg.Z[i] = msg.X[j] * msg.Y[j][i] |
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| 42 | } |
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| 43 | } |
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| 44 | |
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| 45 | if ( atomic.AddUint64( &actorCnt, 1 ) == xr ) { |
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| 46 | shake <- "hand" |
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| 47 | } // if |
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| 48 | default: |
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| 49 | // ignore actor.Started message |
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| 50 | } |
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| 51 | } |
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| 52 | |
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| 53 | func usage() { |
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| 54 | fmt.Printf( "Usage: %v " + |
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| 55 | "[ yc (> 0) | 'd' (default %v) ] " + |
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| 56 | "[ xc (> 0) | 'd' (default %v) ] " + |
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| 57 | "[ xr (> 0) | 'd' (default %v) ]\n", |
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| 58 | "[ processors (> 0) | 'd' (default %v) ]\n", |
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| 59 | os.Args[0], yc, xc, xr, Processors ); |
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| 60 | os.Exit( 1 ); |
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| 61 | } |
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| 62 | |
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| 63 | func main() { |
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| 64 | switch len( os.Args ) { |
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| 65 | case 5: |
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| 66 | if os.Args[4] != "d" { // default ? |
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| 67 | Processors, _ = strconv.Atoi( os.Args[4] ) |
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| 68 | if Processors < 1 { usage(); } |
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| 69 | } // if |
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| 70 | fallthrough |
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| 71 | case 4: |
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| 72 | if os.Args[3] != "d" { // default ? |
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| 73 | xr, _ = strconv.ParseUint( os.Args[3], 10, 64 ) |
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| 74 | if xr < 1 { usage(); } |
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| 75 | } // if |
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| 76 | fallthrough |
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| 77 | case 3: |
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| 78 | if os.Args[2] != "d" { // default ? |
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| 79 | xc, _ = strconv.ParseUint( os.Args[2], 10, 64 ) |
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| 80 | if xc < 1 { usage(); } |
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| 81 | } // if |
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| 82 | fallthrough |
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| 83 | case 2: |
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| 84 | if os.Args[1] != "d" { // default ? |
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| 85 | yc, _ = strconv.ParseUint( os.Args[1], 10, 64 ) |
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| 86 | if yc < 1 { usage(); } |
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| 87 | } // if |
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| 88 | case 1: // use defaults |
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| 89 | default: |
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| 90 | usage(); |
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| 91 | } // switch |
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| 92 | |
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| 93 | runtime.GOMAXPROCS( Processors ); |
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| 94 | system = actor.NewActorSystem(); |
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| 95 | |
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| 96 | |
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| 97 | // set up matrices |
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| 98 | X := make( [][]int, xr ) |
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| 99 | Y := make( [][]int, xc ) |
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| 100 | Z := make( [][]int, xr ) |
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| 101 | |
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| 102 | for r := uint64(0); r < xr; r += 1 { // set up X subarrays |
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| 103 | X[r] = make( []int, xc ) |
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| 104 | for c := uint64(0); c < xc; c += 1 { // set up X values |
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| 105 | X[r][c] = int(r * c % 37) |
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| 106 | } |
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| 107 | } |
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| 108 | |
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| 109 | for r := uint64(0); r < xc; r += 1 { // set up Y subarrays |
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| 110 | Y[r] = make( []int, yc ) |
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| 111 | for c := uint64(0); c < yc; c += 1 { // set up Y values |
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| 112 | Y[r][c] = int(r * c % 37) |
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| 113 | } |
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| 114 | } |
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| 115 | |
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| 116 | for r := uint64(0); r < xr; r += 1 { // set up Z subarrays |
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| 117 | Z[r] = make( []int, yc ) |
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| 118 | } |
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| 119 | |
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| 120 | system = actor.NewActorSystem(); |
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| 121 | |
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| 122 | starttime = time.Now(); |
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| 123 | actors := make( [] * actor.PID, xr ); |
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| 124 | messages := make( []*Msg, xr ); |
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| 125 | for r := uint64(0); r < xr; r += 1 { // create messages and actors |
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| 126 | messages[r] = NewMsg(Z[r], X[r], Y); |
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| 127 | props := actor.PropsFromProducer( func() actor.Actor { return &MatrixMult{} }) |
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| 128 | actors[r] = system.Root.Spawn(props) |
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| 129 | } // for |
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| 130 | for r := uint64(0); r < xr; r += 1 { // send messages to actors |
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| 131 | system.Root.Send( actors[r], messages[r] ); |
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| 132 | } // for |
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| 133 | |
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| 134 | <- shake // wait for actors to finish |
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| 135 | |
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| 136 | fmt.Printf( "%.2f\n", time.Since( starttime ).Seconds() ); |
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| 137 | } // main |
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| 138 | |
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| 139 | // /usr/bin/time -f "%Uu %Ss %Er %Mkb" GoMatrix |
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| 140 | |
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| 141 | // Local Variables: // |
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| 142 | // tab-width: 4 // |
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| 143 | // compile-command: "go build" // |
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| 144 | // End: // |
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