On Wednesday, June 10, 2020 at 1:03:41 PM UTC-7, joe mcguckin wrote: > > I read somewhere that the default # of GO threads is the number of cores > of the cpu. > > What about where there are multiple cpus? My servers have 2, 6 core > Xeons. With hyper threading, it looks like 24 cores available to Linux. > > Will the GO scheduler schedule GO routines on both CPU's? > > If the scheduler is running on one core, how does it manage to put GO > routines on other cores and/or CPU's? Does it create system threads (or > pthreads) on each of the other > cores and CPU's? Can it pin a thread to a specific core, or are you at the > mercy of the OS thread scheduler? > > Inquiring minds want to know... > > Thanks, > > Joe >
FYI - Go on linux uses the result of a sched_getaffinity() system call to determine cpu count: https://github.com/golang/go/blob/e92be18fd8b525b642ca25bdb3e2056b35d9d73c/src/runtime/os_linux.go#L82 -- 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/b4a1721c-78e0-4993-b55e-5578f2ca1339o%40googlegroups.com.
