No one has addressed the use of a duel CPU system, my guess it has been tried and not worthy of the results, has it been tried?

 

 

Check my profile. My system is an older dual Xeon, but having 12 physical cores isn't that big a help, if a single core isn't fast enough to run the main thread. And my rig has two Xeons that can be OCed. A user over at the official P3d message boards,  Saul (PinoyAir) and he has a more recent vintage (E5-2690-v2) dual Xeon system:

 

http://www.prepar3d.com/forum-5/?mingleforumaction=viewtopic&t=7604.1

 

 

Quote from minime on July 21, 2014, 17:20

I beg to differ ! This week I uninstalled v2.2 from my xeon system and installed onto my 980x system.

The results of this trial are plain and I will be swapping system back to my xeon 

Xeon processors perform a lot worse in Prepar3d than normal consumer CPUs, so any of the high-end consumer CPUs would be a better choice. For example the following CPUs would be better than that Xeon:

my 980x is OC @ 4.2ghz with an affinity mask using all 12 cores

my xeon E5-2690-v2 (Dual cpu) has a base speed of 3Ghz with turbo of 3.5Ghz also affinity masked using the max 32 cores of my available 40.

Whilst the frame rate was very similar the one noticeable difference is the smoothness of frames being much smoother on my xeon system.

Therefore following benchmark and lab results may sound like a good idea in theory. In practice its just a general guide and not a definitive rule.

Regards,

Saul.

The problem with the newer dual Xeon systems is that they can't be overclocked (Intel got wise and locked BCLK). The new Haswell E Core i7 5690X has 8 physical cores and that should be enough to boost performance in P3d.

Check my profile. My system is an older dual Xeon, but having 12 physical cores isn't that big a help, if a single core isn't fast enough to run the main thread. And my rig has two Xeons that can be OCed. A user over at the official P3d message boards,  Saul (PinoyAir) and he has a more recent vintage (E5-2690-v2) dual Xeon system:

 

http://www.prepar3d.com/forum-5/?mingleforumaction=viewtopic&t=7604.1

 

The problem with the newer dual Xeon systems is that they can't be overclocked (Intel got wise and locked BCLK). The new Haswell E Core i7 5690X has 8 physical cores and that should be enough to boost performance in P3d.

 

Chip looks awesome but 1,000 dollars - yikes but 55% increase in performance over current - that's impressive and that doesn't count ddr4 ram you will have to buy

And a new X99 mobo. For example:

 

http://techgage.com/news/a-quick-look-at-evgas-x99-motherboard-lineup/?utm_source=rss&utm_medium=rss&utm_campaign=a-quick-look-at-evgas-x99-motherboard-lineup

 

 

IMHO, the overall improvement with this SLI would not be worth the $$ of adding a second card - that is until NV gets around to providing a profile.

 

Agree, currently value/performance is just NOT there.  But still hoping nVidia/LM will come up with something.

 

Cheers, Rob.

And a new X99 mobo. For example:

 

http://techgage.com/news/a-quick-look-at-evgas-x99-motherboard-lineup/?utm_source=rss&utm_medium=rss&utm_campaign=a-quick-look-at-evgas-x99-motherboard-lineup

 

Nice but I am going to see what Gigabyte comes up with - I do like evga products but not familiar with Their motherboards

That was just an example. All the big hardware shops will have X99 high end mobos.

That was just an example. All the big hardware shops will have X99 high end mobos.

 

I know and thank you for it  

http://www.nvidia.in/object/sli-technology-games-in.html

 

Why is Microsoft Flight Simulator X listed?

 

Call me crazy and try to burn me at the stake. I just installed a second 970 and my load times and FPS are better. 

 

P3dv2.3

FTX Northern California

TMB 850

 

4790k 4.6ghz

16gb 1600mhz

2x 970SC 4GB 

http://www.nvidia.in/object/sli-technology-games-in.html

 

Why is Microsoft Flight Simulator X listed?

 

That is a brilliant observation!!!!

 

 

http://www.nvidia.in...y-games-in.html



Why is Microsoft Flight Simulator X listed?

 

I see at the bottom of that linked page they talk about using SLI for AA.

 

"You also have the option to choose an SLI antialiasing mode instead of an SLI performance mode. If you do so, the SLI performance mode will be disabled. The SLI antialiasing modes can be found under 'Antialiasing settings'"

 

Any body tried this?

I'm thinking about a boost for sparse grid supersampling. ??

 

gb.

Well if that is the case then that's peaches. However, what flight simmer is going to think it worth it to buy a second card for better AA?

There is a learning curve here! I am willing to admit that a few years ago I was ignorant enough to believe that I could improve FSX performance

with SLI and built based on that assumption. I an still relatively ignorant but not so much as to believe that line!

 

The marketing SB of Hardware devs.is very misleading.

 

Its hard to find good sources of solid facts about hardware and FSX. AVSIM is one good place to look.

I am through two build now, following NickN's guides and have never looked back:-)

 

 

However, what flight simmer is going to think it worth it to buy a second card for better AA?

 

Depends on how it works I guess.

If say x8 single card sparse grid quality equates to x4 SLI sparse grid quality

that could could mean much higher frame rates with the same visual result.

Have an AMD card myself so can not test.

 

gb

Oh that reminds me, I need to do some testing with no cockpit to see if single GPU and multiple GPUs respond.

 

Cheers, Rob.

Another thing to beware of with motherboards is that many of them only have 1 x16 support unless they have multiple video chipsets.  When using multiple cards, sometimes, you'll get x8x8 or x4x4x1 or some variation like that due to the chipset being used.  In your case, x16/x8/x16 for 3way SLI and x16/x8/x8/x8 for 4way SLI.   One of the cards will not being putting out it's fullest due to the pipeline being limited.  But 2way SLI will allow x16 for both cards, so 2way SLI is more cost effective for most people.

 

That being said, holy crapola those SSDs and cards just made my heart sink when I think about my 128gb SSD for my OS, my 256gb SSD for FS and a few other main games I run and a 2TB main program drive (for games that I don't use much or programs that the SSD won't help) and my ASUS GTX 670 DirectCU2 Top...

Another thing to beware of with motherboards is that many of them only have 1 x16 support unless they have multiple video chipsets.  When using multiple cards, sometimes, you'll get x8x8 or x4x4x1 or some variation like that due to the chipset being used.  In your case, x16/x8/x16 for 3way SLI and x16/x8/x8/x8 for 4way SLI.   One of the cards will not being putting out it's fullest due to the pipeline being limited.  But 2way SLI will allow x16 for both cards, so 2way SLI is more cost effective for most people.

 

That being said, holy crapola those SSDs and cards just made my heart sink when I think about my 128gb SSD for my OS, my 256gb SSD for FS and a few other main games I run and a 2TB main program drive (for games that I don't use much or programs that the SSD won't help) and my ASUS GTX 670 DirectCU2 Top...

That's true and very important !

On my R4E, I putted my two GTX on two 16 lines ports