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Class 5 versus Class 4 sim performance?

Blaze Nielsen
Registered User
Join date: 24 May 2005
Posts: 276
03-30-2008 10:04
Anybody have experience moving a sim full of stuff from class 4 to a newer class 5 sim and measuring noticeable difference in performance?

My business is on a rented sim packed full of prims including lots and lots of scripts. I'm growing out of it and need more. The difference in monthly tier for me will be about $100 USD, so the extra boost in a class 5 really better be apparent. Or, I can purchase the class 4 sim I'm renting now and move it as an option (with the low tier rates).

Any thoughts would be appreciated.
AWM Mars
Scarey Dude :¬)
Join date: 10 Apr 2004
Posts: 3,398
03-31-2008 04:40
The main difference (and there are plenty) is Class 4 supports around 4,000 active scripts, Class 5, around 5,000. You get better L2 caches from the multiple core CPU's and higher speed ram. Performance depends on what you do and what your neighbours do (not your actual veiwable neighbours, it maybe a sim on the otherside of SL sharing the same class server, or even a void sim). If you both run a lot of scripts, scultpies, media and high resolution textures, it will feel like a class 3.
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ivan Supply
llPleaseDoNotCamp();
Join date: 30 Nov 2006
Posts: 246
03-31-2008 05:47
answer which i get is :


"I concur. Scripts are the big noticable difference.

Class 5 will get you at least twice as many scripts with the same cpu load and up to 3 times depending on what they are.

Everything else? I have not noticed anything demonstrably "better" about a class 5 sim over class 4. Physics might also work a bit faster but that's ususaly not an in your face kind of thing ilke scripts lag is.

Everything else is client lag, asset server lag or network lag inside LL. Class 5 dooesn't help with any of that at all. Class 5 machines also seem to be prone to the same inter sim lagging as class 4 machines from what I've seen too.

Bottom line? For a personal sim, class 4s are great, for a popular club where people with there average of 200 script each in personal hardware or a dense script heavy mall, Class 5 would be beneficial.

Essentially, here is how they compare:

Class 4:
AMD Opteron 270 CPU
2GB RAM

Class 5
Intel Xeon 5148
4GB RAM
A faster SATA disk"
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