From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <49948E51.9000509@domain.hid> Date: Thu, 12 Feb 2009 22:02:09 +0100 From: Jan Kiszka MIME-Version: 1.0 References: <7ed3bc8b0902120904r800de72q97e694001600051e@domain.hid> <499480EE.3040403@domain.hid> In-Reply-To: <499480EE.3040403@domain.hid> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig2887DE2C8035D709BC6911C0" Sender: jan.kiszka@domain.hid Subject: Re: [Xenomai-help] Known-to-work motherboards? List-Id: Help regarding installation and common use of Xenomai List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gilles Chanteperdrix Cc: xenomai@xenomai.org, Stuart O Anderson This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig2887DE2C8035D709BC6911C0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Gilles Chanteperdrix wrote: > Stuart O Anderson wrote: >> If there isn't a list online that I've missed, is anyone running >> xenomai on a relatively recent machine with 8 or more cores without >> problems? If so, can you provide hardware specs? >=20 > Xenomai will have scalability problems when running on an 8 cores syste= m > (if you intend to run real-time tasks on each of the 8 cores). >=20 We are running Xenomai on up to 4x4 boxes, but only with 1 or 2 cores used by RT tasks. I've some patch hanging around that restricts Xenomai (specifically its host timer hook) to a CPU subset in order to mitigate the scalability issues - guess I should finally get it in shape and post = it. However, my point is: Massive parallel RT is not (yet) feasible with Xenomai, but it is no black magic to have massive parallel non-RT load living together with confined RT load on the same box. Jan --------------enig2887DE2C8035D709BC6911C0 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (GNU/Linux) Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org iEYEARECAAYFAkmUjlYACgkQniDOoMHTA+m4+QCdG168eIhjatpu6jGCjhex1tze WxkAn2eZANGC/HpTGE6uxMDGjIHpnXCM =5yb4 -----END PGP SIGNATURE----- --------------enig2887DE2C8035D709BC6911C0--