[mythtv-users] Gentoo 64bit and MythTV completely compatible?

Brad Fuller bradallenfuller at yahoo.com
Sat Jan 27 20:53:28 UTC 2007

Brian Wood wrote:
> On Jan 27, 2007, at 12:14 PM, Rod Smith wrote:
>> Have such inefficiencies in the 64-bit implementations of these  
>> tools been
>> eliminated in the intervening time? I'm currently running a 32-bit  
>> Ubuntu
>> installation on my 64-bit-capable Celeron D system, but if there  
>> won't be any
>> speed hit to running a 64-bit OS, I'll consider using one when it  
>> comes time
>> to do software upgrades. Although the speed benefits are small  
>> (about 5-20%
>> for most programs), x86_64 code can be a little faster than x86  
>> code on the
>> same CPU, all other things being equal.
> I think that, at least a couple of months ago, the consensus was that  
> there is nothing to be gained on a Myth system by running in 64-bit  
> mode.
> You have mentioned some of the reasons, code well optimized for 32- 
> bit, compilers not well optimized for 64-bit etc.
> It certainly couldn't hurt to try though, but I wouldn't expect any  
> great performance gains and, as you said, some applications might  
> even run slower
If most of them ran the same, some a bit better, some a bit slower, it
might be worth going thru into the 64bit world just, for the the very
least, to not have to start all over when 64bit is supported well.

Or, is this just rationalizing :-)

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