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Re: [ID 20020312.007] Perl 5.7.3 test failures on Cray T90, T3E

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Keith Thompson
March 13, 2002 16:22
Re: [ID 20020312.007] Perl 5.7.3 test failures on Cray T90, T3E
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On Wed, Mar 13, 2002 at 10:59:17PM +0200, Jarkko Hietaniemi wrote:
> On Wed, Mar 13, 2002 at 08:46:46PM +0000, Nicholas Clark wrote:
> > IIRC numconvert passed on the crays tested by Keith Thompson.
> > What's the difference between them and the Boeing Cray?
> Different FPU: see the warnings about incompatible fp cflags
> in Keith's log.

The Boeing machine is a C90, right?  That's an older machine than
our T90.  (SDSC installed a C90 in 1993; it was gone by the time I
started working there in 1999.)

The T90 can have either Cray or IEEE floating-point.  Ours is IEEE.
I think the C90 can only have Cray floating-point.  If the numconvert
test implicitly assumes IEEE (a valid assumption on the vast majority
of systems these days), I'm not too surprised that it failed.

BTW, our T90 is being decommissioned at the end of this month.
(I'll miss the waterfall.)

Keith Thompson, San Diego Supercomputer Center
<>  Office: 858-822-0853  Fax: 858-822-5407
Schroedinger does Shakespeare: "To be *and* not to be"

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