В Wed, 24 Jul 2013 16:37:26 -0400 Anton Aylward <opensuse@antonaylward.com> пишет:
John Andersen said the following on 07/24/2013 01:42 PM:
On 7/24/2013 5:17 AM, Anton Aylward wrote:
If you have more than 4G and are using a 32-bit machine then to use above 4G you are using PAE, which is sad and perhaps even sucks.
Ah, NO. It doesn't suck.
In fact for many years it was the default OpenSuse kernel. Its performance is more than acceptable on the hardware for which it was intended (32bit processors). Still today, for any 32bit machine it is the best route.
If you think its sad or in some way a poor performer is only because you have never used it.
I think it sad and poor performer based on personal experience. For a while in the 11.4 days I *DID* run both the 'normal' and the PAE versions on my laptop. The difference was noticeable.
For a long time is was by for the most popular route to more than 4gig of memory, because the 64bit kernels were way behind in that time.
Yes, it was a solution to that problem, and as such it was a valid solution, if you needed to run an application that required the additional address space.
PAE does not increase application address space. It enables kernel to use more physical memory. Each application is still restricted to the same 4GB virtual memory.
What is sad is that, as you say, the 64-bit kernels were lagging.
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