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List:       relax-users
Subject:    Re: Temperature calibration & =?utf-8?Q?re?= =?utf-8?B?bGF4IEAgTWFjIE9TIFggMTAuNy4zIOKAnkxpb27igJw=?
From:       Ben Eisenbraun <bene () domain ! hid>
Date:       2012-04-05 15:31:51
Message-ID: 20120405153151.GA5314 () domain ! hid
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Hi Edward,

> Is it worth having a 64-bit x86 version?

Does relax need to access more than 4 GB of RAM per process/thread? I think
that's still the main deciding factor in the 32/64-bit choice. Apple claims
that 64-bit apps can see a 5-15% performance increase depending on workload
due to the extra general purpose CPU registers available in 64-bit mode.
*shrug*

Among my user population, we have very few PPC users left. The stats from
our ~425 OS X users in March:

https://developer.sbgrid.org/~bene/consortium-stats/four.html
https://developer.sbgrid.org/~bene/consortium-stats/five.html

Given the current difficulties, my suggestion would be to simplify,
simplify, simplify. :-) Once you have a stable package that is working for
the most common platforms, i.e. OS X Intel 10.6/7, then add more options as
necessary to satisfy the corner cases.

As an aside, the linux packages work great on every distro I've tested:
Red Hat/CentOS 5 and 6, Ubuntu 10.10 and 11.10, Debian 6, 32 and 64-bit for
all of them.

-ben

--
| Ben Eisenbraun
| SBGrid Consortium                          | http://sbgrid.org       |
| Harvard Medical School                     | http://hms.harvard.edu  |


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