History

Do you remember my problems with low fps I wrote about a few months ago?
Seven (or eight?) months ago I bought a new hi-end computer for it´s ability to play fsx with (hungry) payware addons. Before I bought it, my computer was a small tablet pc with a bad performance, so I wanted something better. When the machine came and I unpacked the boxes, installed Win 7 x64, installed programs, FSX and all addons that I wanted to try, I turned on the FSX and waited what is going on. What was my worse surprise - I had only 7-13fps at minimum settings with no ground and air traffic and fps was very shaky and stuttering. That was very bad surprise, because FSX was the only one software I had problems with. Dirt 2 at max settings 50-60fps, Shift at max with 50-60, Call of Duty at max with 50-60......"so what is this?" I asked myself.
Tweaking circus and looking for solution started at that time. I tried many...many tweaks, many programs, many miracle solutions...and nothing helped - still 7-13fps (It was not only CS problem, but almost all payware addons).

Possible solution

One of the "miracle" solutions which someone gave me was - "Install fsx alone on another hard drive"
So, two months ago I installed fsx od the D\ drive and...nothing helped, the fps was still so bad.
But a few weeks ago, another solution came on my mind - "what if I will make two-system computer, will it help?" I asked myself.

Two weeks ago I finally decided to try this solution.
I separated the system HDD into two same partitions. On the first partition I installed Win 7 x64 and other software I need, and on the second partition I installed Win XP x64 with FSX only (no other software).
The first partition with Win 7 was the default system for working, internet, music, video and other entertainment.
The partition with XP was only for FSX - no other software....and ALL of unnesesary services turned off - I do not fly multiplayer, so I could turn all of the net (and other) services off, so I do not need firewall and antivirus too. System was clean with only about 10 services running.
First time I turned FSX on I was pleasantly surprised - "WHAT?" the average fps was 22fps with CS767 (in some areas it jumped to 30fps) - so it was a high jump and everything was playable. But.

One week ago I decided to try another solution - no Win 7 + XP, but Win 7 + Win 7 ... will it help?
After few-hour installation and system tweaking process I finally turned on the FSX a waited what will happen. In the first moments I could not believe what I see - my test airport was always Calgary Intl. Before I installed the two systems, I had average 7fps here...when I installed it on partition with XP I had 22 average...but when I installed it on partition with Win 7, I had average 40fps with same settings (low scenery, low autogen, no ground/air traffic):o :D

Now I can set everything almost at maximum (scenery high, autogen high, weather mid, air traffic 100% (ultimate traffic 2), airport vehicles 100%, ground traffic 0% (Ido not need cars)), antialiasing max (forced by driver), and still have average 33fps (CS767) without weather radar and 22fps with radar.

Finally I do not have ugly dead world, but nice looking and living world :D

It´s amazing...if I could find this solution earlier  ::) :D

Here are some screenshots
WX Off - http://karolina84.rajce.idnes.cz/FSX/#WXOFF3.jpg
WX Off 2 - http://karolina84.rajce.idnes.cz/FSX/#WXOFF.jpg
WX On - http://karolina84.rajce.idnes.cz/FSX/#WXON2.jpg
WX On 1 - http://karolina84.rajce.idnes.cz/FSX/#WXON.jpg
System selection - http://karolina84.rajce.idnes.cz/FSX/#Systemselection.jpg

A little average fps summary:   Before    Win 7+Win XP    Win 7+Win 7
WX off - low settings                 13           25                     42
WX off - high settings                7             20                     37
WX on - low settings                 7             20                     35
WX on - high settings                 3             14                     23

So if you have only one system and have low fps - try this.

I think this solution should be added into FAQs.

Hope this helps.  :)