[SATLUG] is there any need for a 64-bit binary on Linux?

Daniel Givens daniel at rugmonster.org
Thu Aug 26 07:53:55 CDT 2010


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On Aug 25, 2010, at 6:23 PM, travis+ml-satlug at subspacefield.org wrote:

> Not sure where to ask this, but, I had a co-worker ask me whether
> 32-bit binaries worked on Linux, and if so, if there was any immediate
> need to do a port of our standalone player.

The biggest issue we run into on our servers is the 32-bit Dell OMSA packages. We disable 32-bit libraries by default on our RHN channels, so to install those take a little extra work. That said, as long as its statically compiled or 32-bit libs are readily available, then no.

> I imagine there are cases where you can't run 32-bit binaries; can
> anyone tell me what those are?  How urgent would you say a 64-bit
> port would be?

I believe in math intensive applications, 64-bit gives faster performance. Key example I can think of off the top of my head is MySQL. The other thing to keep in mind is that even though 32-bit Linux, both with and without the PAE extensions, is that the applications can only use slightly more than 2GB. Again, with MySQL, if it tries to use more than 2GB, it becomes unstable. For what it sounds like you have, it doesn't sound like that would be a huge concern.
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