[ale] Fedora Core 5 memory management?

[Jeff Hubbs]

Is it also possible that Fedora prelinks everything?

JK wrote:

>J. D. wrote:
>
>  
>
>>     I installed FC5 on my main linux box (athlon 2800 @333, gig of 
>>ram) and have been surprised by how fast programs appear to run on it. 
>>I'm thinking the programs I am using (typical workstation stuff) are 
>>already cached in ram. It appears to be something in the way the 
>>distro deals with memory. I'm not sure if is some kernel option or if 
>>it is some kind of (forgive the term) pre-fetch cache.
>>    
>>
>
>
>In general, modern multi-tasking virtual-memory OS kernels cache 
>everything, transparently.
>This has been true for the Linux kernel since before version 1.0 IIRC, 
>is true also for essentially
>every variety of Unix (and therefore OSX), and Windows at least since 
>NT3. I suppose
>the perceived speediness could be related to changes in the virtual 
>memory manager, but
>probably not caching per se. Anyway, until you use up all available RAM, 
>the effects of
>VM caching strategies would be imperceptible in terms of interactive 
>performance. I'd rather
>suspect that FC5 might be tuning various hardware parameters (eg 
>hdparm-type stuff)
>better by default than earlier versions.
>
>-- JK
>
>
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