Changeset 50cfa99

Timestamp:

Jan 9, 2020, 5:06:29 PM (5 years ago)

Author:

Peter A. Buhr <pabuhr@…>

Branches:

ADT, arm-eh, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

51493a4, 6b6a3b8

Parents:

c93fd72

Message:

change Go command-line code to behave like C

Location:

benchmark

Files:

• creation/goroutine.go (modified) (2 diffs)
• ctxswitch/goroutine.go (modified) (2 diffs)
• mutex/goroutine.go (modified) (2 diffs)

benchmark/creation/goroutine.go

@@ -2 +2 @@
 
 import (
-    "fmt"
-    "time"
-    "flag"
+        "fmt"
+        "time"
+        "os"
+        "strconv"
 )
 
@@ -18 +19 @@
 
 func main() {
-        times := flag.Int( "times", 500000, "loop iterations" )
-        flag.Parse()
+        var times int = 10000000
+        if len( os.Args ) > 2 { os.Exit( 1 ) }
+        if len( os.Args ) == 2 { times, _ = strconv.Atoi(os.Args[1]) }
+
         start := time.Now()
-        for i := 1; i <= *times; i += 1 {
+        for i := 1; i <= times; i += 1 {
                 go noop()               // creation
                 <- shake                // wait for completion
         }
         end := time.Now()
-        fmt.Printf( "%d\n", end.Sub(start) / time.Duration(*times) )
+        fmt.Printf( "%d\n", end.Sub(start) / time.Duration(times) )
 }
 

benchmark/ctxswitch/goroutine.go

@@ -2 +2 @@
 
 import (
-    "fmt"
-    "time"
-    "flag"
-    "runtime"
+        "fmt"
+        "time"
+        "os"
+        "strconv"
+        "runtime"
 )
 
@@ -29 +30 @@
 
 func main() {
-        times := flag.Int( "times", 10000000, "loop iterations" )
-        go ContextSwitch( *times )              // context switch
+        var times int = 10000000
+        if len( os.Args ) > 2 { os.Exit( 1 ) }
+        if len( os.Args ) == 2 { times, _ = strconv.Atoi(os.Args[1]) }
+        go ContextSwitch( times )               // context switch
         <- shake
 }

benchmark/mutex/goroutine.go

@@ -2 +2 @@
 
 import (
-    "fmt"
-    "time"
-    "flag"
-    "sync"
+        "fmt"
+        "time"
+        "os"
+        "strconv"
+        "sync"
 )
 
@@ -11 +12 @@
 
 func call() {
-     mutex.Lock();
-     mutex.Unlock();
+         mutex.Lock();
+         mutex.Unlock();
 }
 func main() {
-        times := flag.Int( "times", 10000000, "loop iterations" )
-        flag.Parse()
+        var times int = 10000000
+        if len( os.Args ) > 2 { os.Exit( 1 ) }
+        if len( os.Args ) == 2 { times, _ = strconv.Atoi(os.Args[1]) }
+
         start := time.Now()
-        for i := 1; i <= *times; i += 1 {
+        for i := 1; i <= times; i += 1 {
                 call();
         }
         end := time.Now()
-        fmt.Printf( "%d\n", end.Sub(start) / time.Duration(*times) )
+        fmt.Printf( "%d\n", end.Sub(start) / time.Duration(times) )
 }