Date: Sun, 18 Feb 2018 07:57:19 -0500 From: Mike Tancsa <mike@sentex.net> To: Pete French <petefrench@ingresso.co.uk>, freebsd-stable@freebsd.org Subject: Re: stable/11 r329462 - Meltdown/Spectre MFC questions Message-ID: <b69eb8a3-9cb0-2494-b30f-f277c5cbc30f@sentex.net> In-Reply-To: <c31c80d8-0af0-4780-4ae2-c6e73b815e57@ingresso.co.uk> References: <20180217194726.GA79666@icarus.home.lan> <20180217201934.GA51895@gmail.com> <c31c80d8-0af0-4780-4ae2-c6e73b815e57@ingresso.co.uk>
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did a few simple buildworlds before and after on an Epyc box, and it had no significant impact. Its vulnerable just to spectre. I am just updating an intel box to see the impact of the Meltdown fixes. From what I recall, apps that do a lot of system calls will have the largest impact. ---Mike On 2/17/2018 3:38 PM, Pete French wrote: > > > On 17/02/2018 20:19, Matt Smith wrote: > >> And thank you for pointing this out. I can now just wait a while to >> see what comes along rather than accidentally upgrading it and killing >> the already really slow performance. >> > I was just looking at this too, and wondering what (if any) the > performance impact is on FreeBSD. I had a quick google to see if I could > fine anything on current about it, but no luck. Anyone done any > measurements ? > > -pete. > _______________________________________________ > freebsd-stable@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > > -- ------------------- Mike Tancsa, tel +1 519 651 3400 x203 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada
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