I have been recently monitoring memory usage while flying fs. It, usually, reaches 1.3gb and the most it had reached was 1.8 with QW BAE146. I had a flight today with ifly from Aerosoft's EHAM to Aerosoft's EDDF and then I did the retern trip with out exiting the sim. To my surprise, the memory usage for FS9 reached 3.2GB and the total usage was 5.2GB.. I thought 3GB was the maximum for 32bit applications including FS9. Is that normal? And is it true that 3gb is the maximum?

Someone with more technical expertise may correct me, but I believe what you may be thinking of is the fact that 32-bit versions of Windows can only utilize 3GB of physical RAM. There may also be limits on the memory (both physical and/or virtual) which 32-bit applications can address, but if so I am not aware of what they might be. I do know, however that Microsoft recommends a fair-sized swap file (virtual memory) for all versions of Windows, both 32-bit and 64-bit, no matter how much physical RAM the OS can address. I assume there's a reason for that.

I have 64 bit FS9 both sceneries and no problems. Have you installed any other scenery lately....this could be something else to look at..

I have 64 bit FS9 both sceneries and no problems. Have you installed any other scenery lately....this could be something else to look at..

 

I wasn't complaining. My flight was smooth and everything went OK. I was just wondering regarding the maximum memory usage.

I don't think I implied you were complaining, simply gave you some info.

How did you determine memory useage and which parameter(s) did you record?

Win task manager.

 

Which version of Windows and which actual memory parameters did you record? There are several.

I am sorry I thought i had mentioned it in the first post. Win7 64 bit. In task manager, the second tab.

What values are reported if you clic kthe Performance tab, then Resource Monitor and thne check FS9 to report FS9's different memory usages.

What values are reported if you clic kthe Performance tab, then Resource Monitor and thne check FS9 to report FS9's different memory usages.

 

I will try to recreate the flight and check the resource monitor and then post them.