compiler options for RS6K

Subject: compiler options for RS6K
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Date: Wed Mar 19 1997 - 02:36:05 MST

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Andre Paul 18.03.1997
Fachbereich Geowissenschaften
Universitaet Bremen
D - 28334 Bremen
Germany

Phone: x49 - 421 - 218 7189
Fax: x49 - 421 - 218 7040
Email: apau@geo.palmod.uni-bremen.de

Hello ccm3-users,

after changing the compiler options to

FFLAGS = -c -qrealsize=8 -qintsize=4

ccm3.2 runs fine on our IBM RS6K workstation. I can even use the
following optimization:

FFLAGS = -c -qrealsize=8 -qintsize=4 -O3 -qstrict -qarch=pwr2 -qtune=pwr2s

where the latter two options are machine-specific. At T31 resolution, this
optimization cuts run time by a factor of 3, for one simulated day.

Thank you for sending me your notes.

Best regards

Andre Paul

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