On Thu, 14 Mar 2002, Murthy Kambhampaty wrote:
> The patches my Dave McCracken are the kernel code needed to support NGTP
> (M:N threading). The userspace tools are available at the website my earlier
> msg. pointed to.
>
> I suppose it is more accurate to say NGPT is >supported< in 2.4.19pre3 than
> to say that it is "in"; at any rate IRIX-like threading facilities are
> coming to linux soon. (Now I'm begginning to sound like I'm marketing NGPT,
> sorry.)
The IRIX threading problem we have is not so much with kernel support, but
the userspace libraries. xfsdump uses the IRIX sproc/arena model rather
than pthreads.
Ivan
> If there is an interest in porting XFS code that relies on NGPT, I'd be
> happy to be a tester (wish I could offer more, but my programming sills are
> limited to high level languages for numerical/statistical analysis I'm
> afraid).
>
> Murthy
>
> > -----Original Message-----
> > From: Austin Gonyou [mailto:austin@xxxxxxxxxxxxxxx]
> > Sent: Wednesday, March 13, 2002 18:46
> > To: Murthy Kambhampaty
> > Cc: 'Eric Sandeen'; linux-xfs@xxxxxxxxxxx
> > Subject: RE: xfs_copy
> >
> >
> > Looking at the changelog, I don't see any NGPT.
> >
> > On Wed, 2002-03-13 at 15:37, Murthy wrote:
> > > NGPT, which is in 2.4.19pre3, aims to provide IRIX
> > threading for Linux,
> > > so
> > > it may not be true for much longer that "Irix threading that has no
> > > Linux
> > > counterpart". From the NGPT page
> > > (http://oss.software.ibm.com/pthreads/):
> > >
> > > "Goals
> > > The goal of this project is to attempt to solve the
> > problems associated
> > > with
> > > the use of the pthreads library on Linux. It will add M:N
> > threading
> > > capability and improve significantly on the POSIX
> > compliance of pthreads
> > > on
> > > Linux. This will allow significant performance
> > improvements for all
> > > applications that make use of the pthreads library,
> > particularly on SMP
> > > machines. It will also enable Linux to provide threading
> > services that
> > > are
> > > more in line with the capabilities of the commerical Unix operating
> > > system
> > > such as IBM AIX and SGI IRIX."
> > >
> > > Murthy
> > >
> > >
> > >
> > >
> > > > -----Original Message-----
> > > > From: Eric Sandeen [mailto:sandeen@xxxxxxx]
> > > > Sent: Thursday, March 07, 2002 18:32
> > > > To: Jason Joines
> > > > Cc: linux-xfs@xxxxxxxxxxx
> > > > Subject: Re: xfs_copy
> > > >
> > > >
> > > > It's not available for Linux - if I understand correctly,
> > it uses Irix
> > > > threading that has no Linux counterpart.
> > > >
> > > > We just ship the man page so you can see what you're missing,
> > > > apparently. ;-)
> > > >
> > > > -Eric
> > > >
> > > > On Thu, 2002-03-07 at 17:26, Jason Joines wrote:
> > > > > Where do you get xfs_copy? I've installed several
> > different
> > > > > versions of xfsdump, xfsprogs, etc., but none of them have had
> > > > > xfs_copy.
> > > > >
> > > > > Jason Joines
> > > > > -----------------------------------------------------
> > > > --
> > > > Eric Sandeen XFS for Linux
> > http://oss.sgi.com/projects/xfs
> > > > sandeen@xxxxxxx SGI, Inc.
> > > >
> > --
> > Austin Gonyou
> > Systems Architect, CCNA
> > Coremetrics, Inc.
> > Phone: 512-698-7250
> > email: austin@xxxxxxxxxxxxxxx
> >
> > "It is the part of a good shepherd to shear his flock, not to
> > skin it."
> > Latin Proverb
> >
>
--
Ivan Rayner
ivanr@xxxxxxx
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