Hi Ian, Thanks for the hint. I tried on a Mac mini with i5-8500B, it seems the unexpected performance drop still exists (let GOMAXPROCS(8)) the control condition is the CPU:
[image: sync.Mutex performance (GOMAXPROCS == 8).png] On Monday, August 19, 2019 at 9:15:50 PM UTC+2, Ian Lance Taylor wrote: > > On Mon, Aug 19, 2019 at 10:50 AM changkun <euryu...@gmail.com > <javascript:>> wrote: > > > > I am comparing the performance regarding sync.Mutex and Go channels. > Here is my benchmark: https://play.golang.org/p/zLjVtsSx9gd > > Might be interesting to try running your benchmark on a machine with > different hardware. > > Ian > -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/bf03b161-bfbe-46ff-bd25-8c6143cff126%40googlegroups.com.
