Skip to content

Go: changed variable types and strip additional info from the binary #18

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 3 commits into from
Apr 30, 2023
Merged

Go: changed variable types and strip additional info from the binary #18

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
d2db285
Go: using uint32 instead of int
hossein1376 Apr 29, 2023
716f69a
Go: strip symbol table and debug info from go build
hossein1376 Apr 29, 2023
e26c164
Merge branch 'master' into master
ali77gh Apr 30, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion run.sh
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -109,7 +109,7 @@ echo ""

echo "*-------------- go ---------------*"
go version
go build ./src/prime.go
go build -ldflags "-s -w" ./src/prime.go

sleep 5 # cpu cool down

Expand Down
17 changes: 9 additions & 8 deletions src/prime.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -6,13 +6,14 @@ import (
"time"
)

func isPrime(n int32) bool {
func isPrime(n uint32) bool {
if n <= 1 {
return false
}

end := int32(math.Sqrt(float64(n)))
var i int32
end := uint32(math.Sqrt(float64(n)))
var i uint32

for i = 2; i <= end; i++ {
if n%i == 0 {
return false
Expand All @@ -22,17 +23,17 @@ func isPrime(n int32) bool {
}

func main() {
start := time.Now()

start := float64(time.Now().UnixMilli())
c := 0
var i uint32

var i int32
for i = 0; i < 9000000; i++ {
if isPrime(i) {
c++
}
}
fmt.Println(c)

duration := time.Since(start)
fmt.Printf("%s\n", duration)
end := float64(time.Now().UnixMilli())
fmt.Printf("%vms", end-start)
}