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Re: IDL i/o on G4 [message #24197 is a reply to message #24192]

Thu, 15 March 2001 12:18

dima
Messages: 5
Registered: November 1998

Junior Member

On Thu, 15 Mar 2001 12:47:53 -0500,
JD Smith <jdsmith@astro.cornell.edu> wrote:

....<deleted>....
>
> If I were you, I'd drop RSI a line and ask two things:
>
> 1. What are your plans with respect to MacOSX?
>
> 2. If you have internal builds of IDL for MOSX, can you comment on I/O
> performance? Altivec usage? Command line support?
>

Thanks, I will do.

> I should think a G4 titanium with OSX would be just about the fastest
> laptop for running IDL available, but only if RSI is on the ball and has
> a version ready when it hits prime time (sometime this summer, though
> the release is next week).
>

Sometimes I with Apple would get a clue and _pay RSI (and Mathworks
for that matters) money_ to do that. They advertise the G4 as
a "supercomputer", but so far it looks more like a glorified
$5k DVD player. I am pretty sure it was one of the reasons
the Cube fail.

> You might also consider bothering RSI about LinuxPPC support, which
> should be pretty trivial for them. Then your I/O issues largely
> dissappear.

One would think they can do it. After all RSI were probably the first to
port serious application on x86/Linux. They also have TerraSoft next door.
From the other end I was always dissapointed with x86/Linux port of IDL
(I have not tried the latest releas though). It was not very stable,
required multiple visuals (that x86 hardware would not provide)...

>
> Keep in mind however that all laptops' I/O will underperform: disk size
> and weight are optimized over speed.
>

I understand that. My major concern is a sustain memory throughput.
It is not going to be a major number cruncher.

> Good luck,
>
> JD

Thanks again.

Sincerely,

Dmitri.

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[Message index]

		Re: IDL i/o on G4 By: dima on Thu, 15 March 2001 16:37
		Re: IDL i/o on G4 By: dirk on Thu, 15 March 2001 20:40
		Re: IDL i/o on G4 By: John-David T. Smith on Fri, 16 March 2001 08:48
		Re: IDL i/o on G4 By: John-David T. Smith on Thu, 15 March 2001 15:40
		Re: IDL i/o on G4 By: dima on Thu, 15 March 2001 12:18
		Re: IDL i/o on G4 By: John-David T. Smith on Thu, 15 March 2001 09:47
		Re: IDL i/o on G4 By: dima on Wed, 14 March 2001 21:40
		Re: IDL i/o on G4 By: John-David T. Smith on Wed, 14 March 2001 17:14
		Mac OS X (was: IDL i/o on G4) By: Paul Woodford on Thu, 22 March 2001 20:01

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