Are you sure your virtual machine has 4 cores assigned? You might have 4 cores, but when you create the VM you can assign any number of cores to it (1 being default IIRC).
On Monday, February 27, 2017 at 12:39:31 PM UTC-6, Mark wrote: > > I just tried this on an old Windows 7-32bit machine which reports > GOMAXPROCS of 2 but only one is ever used. > > On Monday, February 27, 2017 at 5:32:17 PM UTC, Mark wrote: >> >> I have a Go app that only uses 1 thread when GOMAXPROCS is 4 on Windows >> 7-64bit inside VirtualBox even though I can have up to 20 goroutines. Is >> this a known problem? And is there a solution that can force Go to use all >> 4 CPUs? (The underlying hardware is a 64-bit i7.) >> Thanks. >> > -- 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.
