Then apply the settings I’ve suggested above and test again. In other words, load up your sim at an airport and try to setup the exact same conditions for each test. I would highly suggest you first establish some performance benchmarks. Process Lasso will automatically start and apply these settings each time you startup the PC. The screenshot below is how I set up all other running applications I use alongside P3D. Typically we would reserve cores 0 and 1 for all other applications and set P3D to the rest.Īs you can see below, I’ve set P3D to cores 2 – 11. Right-click on the Prepar3D.exe process and select the “Classify as a High Performance process”.Īgain, P3D on some CPU’s might gain some performance by setting the CPU affinity to dedicated cores. The first suggested change is to classify P3D as a High Performance Process. With P3D (or FSX) open along with all the normal add-ons you typically during a flight. In the Process Lasso application, click on the Active Processes tab. Once installed, Process Lasso is easily configured. Process Lasso can be downloaded for free from the website and it’s a 100% safe website/download. I’m also not the only one who once swore by all these tweaks to abandon them.īut….but, yes if you have a less powerful PC and struggle to get the most out it then I would strongly suggest giving Process Lasso a try. However, with my most recent gaming machine build, I’ve found these to be more problematic than not. Applying these in just the right way would often mean the difference between a smooth running sim (yes, with optimal FPS rates) AND less likely to run into OOM’s or out of memory errors versus throwing your hands up and heading to the corner to cry. To be honest, in the late days of FSX and the early days of P3D, (before P3D v4 64bit) the above mentioned tweaks and the use of Process Lasso was something I held in very high regard. The subject of this writing was supposed to be about Process Lasso. Like previously mentioned, there’s very little need with the latest version of P3D to make ANY changes to the. cfg file and was based on the number of CPU cores. However, as P3D has evolved, the development team at Lockheed Martin have done a better job at getting P3D to utilize multithreading and I personally believe with P3D v4.4 and v4.5 you are better off with Hyperthreading enabled.Īffinity Mask is another tweak/buzz word from many years ago. At one time I myself believed turning HT off was the better solution. I’ve tested with hyperthreading enabled and disabled. With regards to hyperthreading, the term hyperthreading is a technology developed by Intel which essentially doubles the cores on the CPU. Would you go to the grocery store and queue up behind a long line of customers standing at check-out lane #1, when other check-out lanes have no wait? But I digress… Hyperthreading and Affinity Maskĭepending on what you’re reading, where you’re reading it and who is discussing it…you’ll find different schools of thought regarding hyperthreading and affinity mask settings. This means if you simply look at task manager/process manager, you may very well see core 0 is 100% maxed out with the other cores simply appearing to do nothing. Unfortunately, there’s just very little that can be done to P3D to increase FPS other than lowering graphics settings or investing in higher performance hardware.Įven with the 4th generation of Prepar3D finally taking advantage of the performance advantages of a 64 bit architecture, the application itself continues to be much more CPU intensive than GPU and still struggles to take advantage of multithreading at the CPU level. If you’re unfamiliar with the term “snake oil”, it originates from far simpler times, when someone who knowingly sells fraudulent goods or who is himself a fraud, quack, charlatan etc. While I’ve tried some of these over the years, I’ve just learned to laugh the rest away as simply being snake oil. cfg file claiming/guaranteeing more FPS if you buy this or if you change that. Snake Oil Everywhereįor nearly as long as we’ve been chasing the near unobtainable 60FPS in FSX/P3D, many have developed solutions and/or come up with tweaks to the. About the only time I even check FPS is during initial setup of the sim or after installing a new airport scenery and my own curiosity gets the better of me. I don’t have stutters, I don’t have blurries (at least not many) and I don’t lose sleep at night over a few FPS here and there. Basically I tune my P3D setup for maximum smoothness. I’ve stated my opinion on FPS many times and will do so again. For as long as I can remember, the desire to eke out another frame or three has been the desire for many who constantly stress over FPS (Frames Per Second).
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