General Category > Unofficial F/A-18 Acceleration Pack board

FSX Multi-Core Capability

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SpazSinbad:
crim3, thanks. I have wasted half an hour looking for 'fsx.cfg' in two OSs (Win7 32 & 64 bit) without success. Online have found "FSX CFG File Editor & Finder sxcfged.zip"at: http://flyawaysimulation.com/downloads-file-2794-details.html I'm hoping this will help.  :o

OOPS! did not realise that money has to change hands for the above utility. Not wanting to pay anything I have found this advice on the net that actually HELPS! :-)  Remember this is Windows 7.

C:\Users\'user name'\AppData\Roaming\Microsoft\FSX

Mickey_Techy:
Crim3,

Thx for the information mate.

Could you point me in the right direction, where I could read more on setting the 'affinity mask' thing.
Have you tried this fix, and if yes, did it make a difference to your game play?

Tregarth:

I have been thinking about going to an i7 processor so have been making some enquiries. At one time I was told by Alpine Computers (who build flight sim PC's) that FSX could not handle anything above a dual core processor so I bought a PC with an Intel E8400 Dual Core 3GHz processor.

Later I saw that Alpine were advertising PC's with i7 processors so I asked why they are now building quad core machines.  I was told that on starting FSX the OS (Win 7) looks at it, recognises that it really runs best in dual core mode and so configures the quad core processor so it runs as 2 x dual core processors which means more processing power, better frame rates or more detail etc.

This is what I am told by a machine builder so I tend to believe it.  I hope this helps.

Regards,

Tregarth

Mickey_Techy:
Thx Tregarth.

Does that mean, the SP2 didn't actually make FSX multi-core capable as has been so claimed.

As a matter of fact, that is exactly what I have noticed too. With FSX running only One and a Half Cores are actually used, with all other cores lying unused.

virtuali:
FSX is multi-core capable, there are moments where I can see all my 16 cores active (I use a MacPro with 2 Quad Core Xeon so, it's 8 real cores, 16 virtual)

The issue is, it doesn't happens constantly, because the multi-core capability it's used mainly by the terrain generation system and, it will not improve fps, at all. It will simply allow for a smoother flight with less stuttering, and less blurries.

People scream "we want multi-core" but, the issue is, having parallel processing, doesn't automatically grants better performances for every task. There are things that benefit a lot from multicore, like rendering or video encoding, because it's easy to have them run in parallel, because operations do not usually depends by the result of other operations.

A flight sim program can only use multi-core to a certain extent, because a lot of things are inter-dependent from each other, and doesn't parallelize very well.

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