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32 or 64 bit front-end on 64-bit Mac

Just installed Mathematica 6.0.2.1 on a Mac Pro running OS X 10.5.2 
(Leopard).   TThe system info (portions included below) reports that the 
Mathematica kernel is 64 bit as expected, it says the front end is 32 
bit.  Note that in that section, the processor type is reported as x86 
not x86-64.


SystemInformationData[{"Kernel" -> {"Version" -> 
     "6.0 for Mac OS X x86 (64-bit) (March 13, 2008)", 
    "ReleaseID" -> "6.0.2 (1009763, 1009696)",  ...
"MachineType" -> "PC", 
    "OperatingSystem" -> "MacOSX", "ProcessorType" -> "x86-64", 
.....
FrontEnd" -> {"Version" -> 
     "6.0 for Mac OS X x86 (32-bit) (March 13, 2008)", 
    "ReleaseID" -> "6.0.2 (1009763, 1009694)", ...
 "MachineType" -> "PC", 
    "OperatingSystem" -> "MacOSX", "ProcessorType" -> "x86", 
.....

Why doesn't the front end report as 64 bit and not 32 bit?  Is this 
expected?  Thanks for any help.

Jay

0
5/5/2008 10:14:27 AM
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Jay Ortiz wrote:

> Just installed Mathematica 6.0.2.1 on a Mac Pro running OS X 10.5.2 
> (Leopard).   TThe system info (portions included below) reports that the 
> Mathematica kernel is 64 bit as expected, it says the front end is 32 
> bit.  Note that in that section, the processor type is reported as x86 
> not x86-64.
> 
> 
> SystemInformationData[{"Kernel" -> {"Version" -> 
>      "6.0 for Mac OS X x86 (64-bit) (March 13, 2008)", 
>     "ReleaseID" -> "6.0.2 (1009763, 1009696)",  ...
> "MachineType" -> "PC", 
>     "OperatingSystem" -> "MacOSX", "ProcessorType" -> "x86-64", 
> .....
> FrontEnd" -> {"Version" -> 
>      "6.0 for Mac OS X x86 (32-bit) (March 13, 2008)", 
>     "ReleaseID" -> "6.0.2 (1009763, 1009694)", ...
>  "MachineType" -> "PC", 
>     "OperatingSystem" -> "MacOSX", "ProcessorType" -> "x86", 
> .....
> 
> Why doesn't the front end report as 64 bit and not 32 bit?  Is this 
> expected?  Thanks for any help.

Jay,

AFAIK, the front-end for Mac OS X is compiled and *shipped* by WRI only 
as a 32-bit application. So your installation is fine and what the 
command *SystemInformation[]* reports is correct.

Regards,
-- Jean-Marc

0
5/6/2008 10:50:52 AM
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