Date: Mon, 23 Oct 2017 15:10:29 -0700 From: Adrian Chadd <adrian.chadd@gmail.com> To: "O. Hartmann" <ohartmann@walstatt.org> Cc: Allan Jude <allanjude@freebsd.org>, FreeBSD Mailing Lists <freebsd-performance@freebsd.org> Subject: Re: Xeon Gold 6138's Running FBSD 11.1 and TrueOS Stable [GCC 5.4] Message-ID: <CAJ-VmompmB3gNOq6O5ekUy=58W7ydWf0jXRXwTwxjGPbJfEOFw@mail.gmail.com> In-Reply-To: <CAJ-VmompAkU%2BvLhHGfanJLszAJB8fNrG_PmmtjgiEiGciYGfCw@mail.gmail.com> References: <CAD2Ti28dJFMf16osgLT8%2BdayPJZDtuALncs5MUnoQGqvbFc2wQ@mail.gmail.com> <43eb65d2-ffed-8216-17f8-7936932e5e0a@freebsd.org> <20171009120224.3f2ca1e6@thor.intern.walstatt.dynvpn.de> <CAJ-VmompAkU%2BvLhHGfanJLszAJB8fNrG_PmmtjgiEiGciYGfCw@mail.gmail.com>
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and since multiple people asked me "whaaat" http://adrianchadd.blogspot.com/2015/03/cache-line-aliasing-2-or-what-happens.html -adrian On 23 October 2017 at 12:40, Adrian Chadd <adrian.chadd@gmail.com> wrote: > Sigh, > > It's likely more memory layout nonsense. > > It'd be nice to see their benchmarks run linux binaries on freebsd. > The last time I dug into this I found it was 95% due to memory layout > and 5% due to ULE being silly. > > > > -adrian
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