Date: Fri, 4 Nov 2011 19:31:32 +0400 From: Lev Serebryakov <lev@FreeBSD.org> To: Arnaud Lacombe <lacombar@gmail.com> Cc: hackers@freebsd.org Subject: Re: Porting FreeBSD to Raspberry Pi Message-ID: <1427176824.20111104193132@serebryakov.spb.ru> In-Reply-To: <CACqU3MU_KansgEPyu8e-T9eCrNYML=5=tfKhzLHCv7BPemDTiw@mail.gmail.com> References: <20111103092222.GN37036@e-new.0x20.net> <20111103155802.7bfc1df0.ray@freebsd.org> <CACqU3MWo%2B2PAqdm71rvsh4f09-nBCnLi7s-VaZo8iHd92L8q_w@mail.gmail.com> <CAGjvUo6UpcsiTa-cyGM_Q_Em-9WOJLqM%2Bn_U6exJy_w2z%2B52RQ@mail.gmail.com> <CACqU3MU5zdfuymo4JZn3JMT2=AARhwbc%2BrY3jTVzX8bD=aJnfA@mail.gmail.com> <20111104004007.GA74831@dereel.lemis.com> <CACqU3MVk47XAMvwSSie9nj%2BegFVXMnGCGMphqxuuHhKi=sVx2A@mail.gmail.com> <20111104015559.GE74831@dereel.lemis.com> <CAGjvUo6q3qYe40JpzgLK9ULUHQ2fR1X6uzB=mG3P5rq6_DWd2w@mail.gmail.com> <CACqU3MVVV=rBz4EyzF5LL8da8TO9iAG5ppa6o=0SrxswUMQ_4Q@mail.gmail.com> <1101963570.20111104135610@serebryakov.spb.ru> <CACqU3MU_KansgEPyu8e-T9eCrNYML=5=tfKhzLHCv7BPemDTiw@mail.gmail.com>
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Hello, Arnaud. You wrote 4 =D0=BD=D0=BE=D1=8F=D0=B1=D1=80=D1=8F 2011 =D0=B3., 18:53:22: > FWIW, referring to the technology two years ago in computer science is > just like referring to the Prehistory to make a point about mankind > today :/ Yep, completely relevant in most cases ;-) Same people, same wars, same love, same envy, same jealosy, nothing changed a lot. Really, people doesn't change a lot for last 100'000 years. Evolution is unstoppable, but very slow process ;-) But it completely irrelevant to NUMA support. As far as I understand, ULE scheduler knows about multi-level topology (maybe, with some glitches, according to mailing lists, but not fatal bugs), and there is no understanding what should do good NUMA-aware memory allocator, really, because threads tend to migrate from core to core and from socket to socket anyway. --=20 // Black Lion AKA Lev Serebryakov <lev@FreeBSD.org>
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