I've confirmed this uses 14% on a random OS X machine. Please raise a bug,
https://golang.org/issue/new
On Monday, 17 September 2018 14:29:44 UTC+10, Robert Engels wrote:
>
> For reference, similar code under Java consumes 2.5 % CPU.
>
> I tested the Go code under OSX, and it is roughly 10%, which seems to be
> very high. Might be because the “context switching” is performed/attributed
> to the process (since it is internal), where for other systems it is the
> system call only, and so most of the cost is attributed to system/kernel
> activity.
>
>
>
> On Sep 16, 2018, at 8:47 AM, Lei Ni <nil...@gmail.com <javascript:>>
> wrote:
>
> import (
> "time"
> )
>
> func main() {
> ticker := time.NewTicker(time.Millisecond)
> defer ticker.Stop()
> for range ticker.C {
> }
> }
>
>
>
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