1 | // https://github.com/AsynkronIT/protoactor-go |
---|
2 | // https://pkg.go.dev/github.com/AsynkronIT/protoactor-go/actor |
---|
3 | package main |
---|
4 | |
---|
5 | import ( |
---|
6 | "os"; "strconv"; "fmt"; "time"; "runtime"; "sync/atomic" |
---|
7 | "github.com/asynkron/protoactor-go/actor" |
---|
8 | ) |
---|
9 | |
---|
10 | var xr, xc, yc uint64 = 3_072, 3_072, 3_072 // default values |
---|
11 | |
---|
12 | var Processors int = 1 |
---|
13 | |
---|
14 | var starttime time.Time; |
---|
15 | var shake = make( chan string ) |
---|
16 | var actorCnt uint64 = 0 |
---|
17 | |
---|
18 | type Msg struct { |
---|
19 | Z []int |
---|
20 | X []int |
---|
21 | Y [][]int |
---|
22 | } |
---|
23 | |
---|
24 | func NewMsg( Z_ []int, X_ []int, Y_ [][]int ) *Msg { |
---|
25 | return &Msg{ Z: Z_, X: X_, Y: Y_ } |
---|
26 | } |
---|
27 | |
---|
28 | var msg Msg |
---|
29 | type MatrixMult struct { |
---|
30 | actors [] * actor.PID; |
---|
31 | id, rounds, group, recs, sends int; |
---|
32 | } |
---|
33 | var system * actor.ActorSystem |
---|
34 | |
---|
35 | func ( state * MatrixMult ) Receive( context actor.Context ) { |
---|
36 | switch msg := context.Message().(type) { |
---|
37 | case * Msg: |
---|
38 | for i := uint64(0); i < yc; i += 1 { |
---|
39 | msg.Z[i] = 0 |
---|
40 | for j := uint64(0); j < xc; j += 1 { |
---|
41 | msg.Z[i] = msg.X[j] * msg.Y[j][i] |
---|
42 | } |
---|
43 | } |
---|
44 | |
---|
45 | if ( atomic.AddUint64( &actorCnt, 1 ) == xr ) { |
---|
46 | shake <- "hand" |
---|
47 | } // if |
---|
48 | default: |
---|
49 | // ignore actor.Started message |
---|
50 | } |
---|
51 | } |
---|
52 | |
---|
53 | func usage() { |
---|
54 | fmt.Printf( "Usage: %v " + |
---|
55 | "[ yc (> 0) | 'd' (default %v) ] " + |
---|
56 | "[ xc (> 0) | 'd' (default %v) ] " + |
---|
57 | "[ xr (> 0) | 'd' (default %v) ]\n", |
---|
58 | "[ processors (> 0) | 'd' (default %v) ]\n", |
---|
59 | os.Args[0], yc, xc, xr, Processors ); |
---|
60 | os.Exit( 1 ); |
---|
61 | } |
---|
62 | |
---|
63 | func main() { |
---|
64 | switch len( os.Args ) { |
---|
65 | case 5: |
---|
66 | if os.Args[4] != "d" { // default ? |
---|
67 | Processors, _ = strconv.Atoi( os.Args[4] ) |
---|
68 | if Processors < 1 { usage(); } |
---|
69 | } // if |
---|
70 | fallthrough |
---|
71 | case 4: |
---|
72 | if os.Args[3] != "d" { // default ? |
---|
73 | xr, _ = strconv.ParseUint( os.Args[3], 10, 64 ) |
---|
74 | if xr < 1 { usage(); } |
---|
75 | } // if |
---|
76 | fallthrough |
---|
77 | case 3: |
---|
78 | if os.Args[2] != "d" { // default ? |
---|
79 | xc, _ = strconv.ParseUint( os.Args[2], 10, 64 ) |
---|
80 | if xc < 1 { usage(); } |
---|
81 | } // if |
---|
82 | fallthrough |
---|
83 | case 2: |
---|
84 | if os.Args[1] != "d" { // default ? |
---|
85 | yc, _ = strconv.ParseUint( os.Args[1], 10, 64 ) |
---|
86 | if yc < 1 { usage(); } |
---|
87 | } // if |
---|
88 | case 1: // use defaults |
---|
89 | default: |
---|
90 | usage(); |
---|
91 | } // switch |
---|
92 | |
---|
93 | runtime.GOMAXPROCS( Processors ); |
---|
94 | system = actor.NewActorSystem(); |
---|
95 | |
---|
96 | |
---|
97 | // set up matrices |
---|
98 | X := make( [][]int, xr ) |
---|
99 | Y := make( [][]int, xc ) |
---|
100 | Z := make( [][]int, xr ) |
---|
101 | |
---|
102 | for r := uint64(0); r < xr; r += 1 { // set up X subarrays |
---|
103 | X[r] = make( []int, xc ) |
---|
104 | for c := uint64(0); c < xc; c += 1 { // set up X values |
---|
105 | X[r][c] = int(r * c % 37) |
---|
106 | } |
---|
107 | } |
---|
108 | |
---|
109 | for r := uint64(0); r < xc; r += 1 { // set up Y subarrays |
---|
110 | Y[r] = make( []int, yc ) |
---|
111 | for c := uint64(0); c < yc; c += 1 { // set up Y values |
---|
112 | Y[r][c] = int(r * c % 37) |
---|
113 | } |
---|
114 | } |
---|
115 | |
---|
116 | for r := uint64(0); r < xr; r += 1 { // set up Z subarrays |
---|
117 | Z[r] = make( []int, yc ) |
---|
118 | } |
---|
119 | |
---|
120 | system = actor.NewActorSystem(); |
---|
121 | |
---|
122 | starttime = time.Now(); |
---|
123 | actors := make( [] * actor.PID, xr ); |
---|
124 | messages := make( []*Msg, xr ); |
---|
125 | for r := uint64(0); r < xr; r += 1 { // create messages and actors |
---|
126 | messages[r] = NewMsg(Z[r], X[r], Y); |
---|
127 | props := actor.PropsFromProducer( func() actor.Actor { return &MatrixMult{} }) |
---|
128 | actors[r] = system.Root.Spawn(props) |
---|
129 | } // for |
---|
130 | for r := uint64(0); r < xr; r += 1 { // send messages to actors |
---|
131 | system.Root.Send( actors[r], messages[r] ); |
---|
132 | } // for |
---|
133 | |
---|
134 | <- shake // wait for actors to finish |
---|
135 | |
---|
136 | fmt.Printf( "%.2f\n", time.Since( starttime ).Seconds() ); |
---|
137 | } // main |
---|
138 | |
---|
139 | // /usr/bin/time -f "%Uu %Ss %Er %Mkb" GoMatrix |
---|
140 | |
---|
141 | // Local Variables: // |
---|
142 | // tab-width: 4 // |
---|
143 | // compile-command: "go build" // |
---|
144 | // End: // |
---|