On Tue, Apr 24, 2001 at 03:49:29PM -0700, Jeffrey W. Baker wrote:
> On Tue, 24 Apr 2001, Alan Hourihane wrote:
>
> > On Tue, Apr 24, 2001 at 03:16:26PM -0700, Daryll Strauss wrote:
> > > On Tue, Apr 24, 2001 at 10:56:35PM +0100, Alan Hourihane wrote:
> > > > On Mon, Apr 23, 2001 at 12:25:48PM +0100, Alan Hourihane wrote:
> > > > > I expect to have Alpha Linux packages online too, within the week.
> > > > >
> > > > Alpha (compiled with -mcpu=ev5) Packages are now up too.
> > >
> > > -mcpu=ev56 would be a substantial improvement to performance. The only
> > > question is whether to not we'd leave any ev5 users out by doing
> > > that. My guess is that ev5 is so old and slow that no one is going to
> > > care about 3D graphics on it. As far as I know the only ev5 that was
> > > popular for linux was the old UMB systems and they're only as fast as an
> > > old pentium 166Mhz.
> > >
> > Sure thing. I certainly know it gives a large performance boost using
> > the later instruction set, giving that it gives us byte/word memory access.
> >
> > I was intending to put up ev6 ones too, but does any here know the performance
> > to gain from ev56 to ev6 ? In fact, there's also ev67 now too.
> >
> > Any objections ?
>
> I have 2.95.3 and it only has 4, 5, 56, and 6.
>
Sure. But look at the Linux kernel's arch/alpha/Makefile. You'll notice
all the cpu dependent flags that get set, by examining gcc's options.
Looking at this shows that ev5 compiled binaries will work on ALL alpha
platforms - which is why I did the compile this way.
Alan.
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