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