Date: Tue, 4 Feb 2014 18:13:21 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Poul-Henning Kamp <phk@freebsd.org> Cc: Thomas Zander <riggs@freebsd.org>, "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org>, =?ISO-8859-1?B?Qy4gQmVyZ3N0cvZt?= <cbergstrom@pathscale.com>, Baptiste Daroussin <bapt@freebsd.org>, Jim Thompson <jim@netgate.com> Subject: Re: opteron a1100 arm Message-ID: <CAJ-VmokkobEnGstBHbSZExPjNcpN=WLRfRO=fQFYW9%2BHzg23Ow@mail.gmail.com> In-Reply-To: <60985.1391554164@critter.freebsd.dk> References: <alpine.BSF.2.00.1401311911120.2427@wojtek.tensor.gdynia.pl> <1391538649.19169.79261269.3C5F49D1@webmail.messagingengine.com> <CAFU734xXWyc_TqBJ7e4MhD2nB01BAejR_1vT9%2B_5Ar5mJncncA@mail.gmail.com> <493DEB39-C4B4-409E-B8B2-B1B11E013754@netgate.com> <20140204223528.GF23872@ithaqua.etoilebsd.net> <52F16BA4.4060202@pathscale.com> <60985.1391554164@critter.freebsd.dk>
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On 4 February 2014 14:49, Poul-Henning Kamp <phk@freebsd.org> wrote: > In message <52F16BA4.4060202@pathscale.com>, =?UTF-8?B?IkMuIEJlcmdzdHLDtm0i?= w > rites: > >> Think about how much power interconnects takes, PCIe and everything else.. > > Not to mention the raw savings of avoiding all the crap that has > been nailed inexpertly onto the X86 platform over the years... > > Did you notice that "X86 arduino" Intel just launched ? > > Does anybody but me cringe at the thought of an Arduino with UEFI, ACPI, > microcode updates and SMM ticking away in the background to make sure > it doesn't run too hot ? > > If ARM and AMD are smart, an ARM64 machine will have the OS loaded > and handed over to in a matter of seconds rather than minutes, and > that alone would make a lot of people love them. My experience with ARM and power management is that as the chips get more recent, the voodoo hiding behind black boxes increases. Qualcomm wouldn't even contemplate open sourcing the power management stuff. I have more faith that the intel stuff will at least be sanely usable by us OS hackers over what the multiplude of ARM vendors have given us. It looks like a mess and I've only vaguely peripherally looked at it. -a
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