Date: Thu, 15 Apr 2010 08:33:49 +0300 From: Andriy Gapon <avg@freebsd.org> To: Maho NAKATA <chat95@mac.com> Cc: amvandemore@gmail.com, freebsd-stable@freebsd.org, smithi@nimnet.asn.au, alc@freebsd.org, alan.l.cox@gmail.com, yanefbsd@gmail.com, als@modulus.org Subject: Re: HyperThreading makes worse to me Message-ID: <4BC6A53D.4000400@freebsd.org> In-Reply-To: <20100415.132834.229420430668646074.chat95@mac.com> References: <n2i7d6fde3d1004141949z2689a81cwf8c48805ea09d68@mail.gmail.com> <k2x7d6fde3d1004141950t81b4214awddea4563182526c5@mail.gmail.com> <20100415135034.J52200@sola.nimnet.asn.au> <20100415.132834.229420430668646074.chat95@mac.com>
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on 15/04/2010 07:28 Maho NAKATA said the following: > right. Pinning might not be so important I guess. Core i7 is not NUMA. It still should be beneficial from the point of view of core local caches. If a thread that works on the same data set (non shared) stays on the same core the chances are greater that the data stays in cache. -- Andriy Gapon
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