Date: Sat, 5 Jan 2013 12:47:52 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Hakisho Nukama <nukama@gmail.com> Cc: freebsd-hackers@freebsd.org, Jason Evans <jasone@freebsd.org> Subject: Re: L1 cache thrashing affects performance of HIMENO benchmark Message-ID: <CAJ-Vmo=O9v==Xpm8F2UUjkEAOaHbKydLMpn6Bz-5rRBt%2B2TEAg@mail.gmail.com> In-Reply-To: <CA%2Bzcas1V0KzcBKjq1u3Rwu_Nm7hVkG%2BG%2BeHpHRDQG0_NcXoOWA@mail.gmail.com> References: <CA%2Bzcas1V0KzcBKjq1u3Rwu_Nm7hVkG%2BG%2BeHpHRDQG0_NcXoOWA@mail.gmail.com>
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I've CC'ed jasone on this as it's an interesting side-effect of memory allocation logic. Jason - any comments? Adrian On 5 January 2013 07:38, Hakisho Nukama <nukama@gmail.com> wrote: > Hi, > > FreeBSD (PCBSD) is slower compared to Linux and kFreeBSD in this > benchmark of HIMENO: > http://openbenchmarking.org/prospect/1202215-BY-FREEBSD9683/88ac7a01c6cb355d7e7603224b2ee1e5a4cb881d > Also DragonFly BSD compares worse to kFreeBSD and Linux: > http://www.phoronix.com/scan.php?page=article&item=dragonfly_linux_32&num=3 > http://openbenchmarking.org/prospect/1206255-SU-DRAGONFLY55/88ac7a01c6cb355d7e7603224b2ee1e5a4cb881d > > Matt, Venkatesh and Alex investigated this performance problem and > came to these results: > http://leaf.dragonflybsd.org/mailarchive/users/2013-01/msg00011.html > > Best Regards, > Hakisho Nukama > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org"
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