P.S. shaves 20% from the total execution time.
On Mon, Nov 26, 2018 at 10:22 AM <lary...@gmail.com> wrote:
>
> The ugly hack below shaves 20% from the switch-case
> type iface struct {
> tab *unsafe.Pointer
> data *unsafe.Pointer
> }
>
> func getInterfaceData(arg interface{}) unsafe.Pointer {
> return unsafe.Pointer((((*iface)(unsafe.Pointer(&arg))).data))
> }
>
> // Cast the integer argument to uint64 and call a "writer"
> // The "writer" knows how many bytes to add to the binary stream
> //
> // Type casts from interface{} to integer consume 40% of the overall
> // time. Can I do better? What is interface{} in Golang?
> // Switching to args *[]interface makes the performance 2x worse
> // Before you jump to conlusions see
> // https://groups.google.com/forum/#!topic/golang-nuts/Og8s9Y-Kif4
> func (b *Binlog) writeArgumentToOutput(writer writer, arg interface{}) error {
> // unsafe pointer to the data depends on the data type
> var err error
> err = writer.write(b.ioWriter, getInterfaceData(arg))
> return err
> }
>
>
> --
> You received this message because you are subscribed to a topic in the Google
> Groups "golang-nuts" group.
> To unsubscribe from this topic, visit
> https://groups.google.com/d/topic/golang-nuts/Og8s9Y-Kif4/unsubscribe.
> To unsubscribe from this group and all its topics, send an email to
> golang-nuts+unsubscr...@googlegroups.com.
> For more options, visit https://groups.google.com/d/optout.
--
You received this message because you are subscribed to the Google Groups
"golang-nuts" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to golang-nuts+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.
