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Platforms verified for MC production as of November, 2000.
This page is intended to be helpful to BaBar institutes that are planning
to purchase new computing equipment. The platforms listed here are
all examples of hardware and OS on which the BaBar simulation production
has been verified (this is the evidence that they correctly run the BaBar
code). These platforms are not the official reference platforms supported
by BaBar; for
a list of these see here. There is thus no explicit gaurantee
regarding support for the following platforms in the unlikely case that
their differences from the reference platforms become important.
Having said this, it is recognized that, especially as concerns the purchase
of commodity PCs running Linux, it is unlikely that any new purchase will
exactly duplicate any of the existing verified platforms.
Linux
The following configuration is in use at CalTech. More
details can be found here.
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The farm nodes consist of 20 dual pentium III, 750MHz, machines based
on the Intel LX440GX motherboard, with
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Model / manufacturer - Intel-compatible
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CPU type and speed - dual 750MHz pentium III
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Memory capacity - 512MB SDRAM
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Mother board (for PCs) - machines based on the Intel LX440GX
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Operating system (including version number) - currently RedHat 6.1; moving
to RedHat 6.2 soon
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Compilers (c++ and FORTRAN) - compilers obtained from /afs/slac/g/babar/package/linux/RedHat6.1
The following configuration is in use at RAL.
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Model / manufacturer = PC - built to our Specification
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CPU type and speed = PII-450 / PIII-600
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Memory capacity = 256MB per dual processor system
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Mother board (for PCs) = SuperMicro P6DBS/P6DBE
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Operating system (including version number) = RedHat 6.1
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Compilers (c++ and FORTRAN) = gcc version egcs-2.91.66 19990314/Linux (egcs-1.1.2
release). NOTE: the compiler modifications made by S. Gowdy,
available in the /afs/slac/g/babar/package/linux/RedHat6.1 directory, are
needed in order to build any code using a templated new function (which
includes templated Objectivity code).
OSF 4
The following configuration is in use at Colorado-1.
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Model and CPU: Compaq alphas (several models) Most recent are 670MHz
EV6.7.
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Memory capacity: 512MB RAM on 2/3 of the machines and 320MB on the rest;
the latter is marginal for running Bear.
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Operating system: OSF V4.0 running on all machines.
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Compilers: Fortran 4.10 and cxx 6.0.
SunOS5 (Solaris)
The following configuration is in use at the INFN regional centre
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Models and CPU: Sun Ultra5 with UltraSPARC II 300MHz cpu
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Memory capacity: 256 MB
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Operating system: Solaris 7 (using precompiled executables from Solaris
6 at present).
The following configuration is in use at UT-Dallas.
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Model and CPU: SUN Enterprise 6000, 18 processors (166Mhz)
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Memory capacity: 9 GB
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Operating system: Solaris 6
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Model and CPU: SUN Ultra 10, 300Mhz
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Memory capacity: 640MB
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Operating system: Solaris 6
Bob Kowalewski
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