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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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