Last change
on this file since 7a29392f was
e2f827f,
checked in by caparson <caparson@…>, 17 months ago
|
added go counterpart to cfa benchmarks
|
-
Property mode set to
100644
|
File size:
1.2 KB
|
Line | |
---|
1 | package main |
---|
2 | |
---|
3 | import ( |
---|
4 | "fmt" |
---|
5 | "time" |
---|
6 | "runtime" |
---|
7 | "sync" |
---|
8 | "os" |
---|
9 | "strconv" |
---|
10 | ) |
---|
11 | |
---|
12 | var done bool = false; |
---|
13 | var total_operations uint64 = 0 |
---|
14 | var Processors int = 1 |
---|
15 | var m sync.Mutex |
---|
16 | |
---|
17 | var taskJoin chan int = make(chan int, 2) |
---|
18 | |
---|
19 | func Task( chans [] chan uint64, id int ) { |
---|
20 | var count uint64 = 0 |
---|
21 | right := (id + 1) % Processors |
---|
22 | for { |
---|
23 | if done { break } |
---|
24 | <-chans[id] |
---|
25 | chans[right]<-0 |
---|
26 | count++; |
---|
27 | } |
---|
28 | m.Lock() |
---|
29 | total_operations += count |
---|
30 | m.Unlock() |
---|
31 | taskJoin <- 0 |
---|
32 | } |
---|
33 | |
---|
34 | func main() { |
---|
35 | switch len( os.Args ) { |
---|
36 | case 2: |
---|
37 | if os.Args[1] != "d" { // default ? |
---|
38 | Processors, _ = strconv.Atoi( os.Args[1] ) |
---|
39 | } // if |
---|
40 | case 1: // use defaults |
---|
41 | default: |
---|
42 | fmt.Printf( "Invalid args" ); |
---|
43 | os.Exit( 1 ); |
---|
44 | } // switch |
---|
45 | runtime.GOMAXPROCS( Processors ); |
---|
46 | |
---|
47 | taskJoin = make(chan int, Processors) |
---|
48 | chans := make( [] chan uint64, Processors ) |
---|
49 | for i := range chans { |
---|
50 | chans[i] = make(chan uint64, 3) |
---|
51 | } |
---|
52 | |
---|
53 | chans[0] <- 0 |
---|
54 | |
---|
55 | for i := 0; i < Processors; i++ { |
---|
56 | go Task( chans, i ) |
---|
57 | } |
---|
58 | |
---|
59 | // wait 10 seconds |
---|
60 | time.Sleep(time.Second * 10) |
---|
61 | // fmt.Println("prod done\n") |
---|
62 | done = true |
---|
63 | |
---|
64 | for i := 0; i < Processors; i++ { |
---|
65 | chans[i] <- 0 |
---|
66 | } |
---|
67 | for i := 0; i < Processors; i++ { |
---|
68 | <-taskJoin |
---|
69 | } |
---|
70 | |
---|
71 | fmt.Println(total_operations) |
---|
72 | } |
---|
Note: See
TracBrowser
for help on using the repository browser.