FreeBSD 11.x thread creation time is 9000+ microseconds on Intel Xeon Gold series CPU

[Václav Haisman]

On 06. 11. 18 5:01, Steevan Rodrigues wrote:
> Hi ,
> I am seeing a FreeBSD 11.x OS poor performance issue .
> CPU is Intel(R) Xeon(R) Gold 5115 CPU @ 2.40GHz ( dual socket CPU with 10
> cores per socket )
> 
> I have attached a simple program which creates thread and computes time

There is no attachment. The mailing list software probably stripped that.

> taken to create this thread. On this CPU with FreeBSD 11.x OS it takes 9000
> to 15000 micro seconds ( us) to create
> just one thread.
> 
> On other platforms this thread creation time is usually 20 to 30 us only.
> Any idea why it takes so much more time with FreeBSD 11.x ?
> Is there any processor specific tuning that needs to be done ?
> 
> Thanks,
> Steevan
> _______________________________________________
> freebsd-hackers at freebsd.org mailing list
> https://lists.freebsd.org/mailman/listinfo/freebsd-hackers
> To unsubscribe, send any mail to "freebsd-hackers-unsubscribe at freebsd.org"
> 


-- 
VH

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 228 bytes
Desc: OpenPGP digital signature
URL: <http://lists.freebsd.org/pipermail/freebsd-hackers/attachments/20181106/643327dc/attachment.sig>