When working in Revit (and also AutoCAD), I experience intermittent extremely slow performance. I have a brand new laptop with the following specifications:
Intel Core i9 2.6GHz
RAM 32 GB
64-bit operating system
NVIDIA GeForce RTX 4070 GPU
Windows 11
Autodesk applications lag while other 3D modeling programs such as Rhino perform fine. The lagging sometimes makes the applications unusable. It seems that they sometimes perform differently in different locations, which I find odd. Please let me know any suggestions. I have browsed the forums and haven't found a solution.
Thank you for the reply. I have implemented these changes and restarted the computer. Unfortunately, the program continues to lag to an absurd degree. Zooming is lagging and it hesitates to draw even a single model line. Any other suggestions are appreciated!
Check cooling and actual clockspeeds. Laptops don't have good thermal management and throttle the CPU/GPU.
Has it worked better before on the same hardware and project?
IMHO, Intel disqualified themselves from any serious application with their e-cores. Too much hassle with those e-cores. You basically need a Xeon, or any of the AMD CPUs that have "real" cores only.
obviously also optimize your project to not waste resources. Even with good hardware this can limit you.
It has worked better in certain instances but it has been intermittently extremely slow. I am unsure how to check the clockspeed and cooling. I am also not familiar with the terms you use about e-cores and "real" cores. I followed the specifications on my university website to get a computer that could handle the program. I got one over the specifications and am honestly not asking a lot from it as I'm not running anything large. It should not have any trouble drawing a model line on a floor plan.
Modern cores are powerful, work at high clockspeed and have hyper-threading (HT). Intel had issues running more than 8 of those (they already use north of 250W as is in desktop segment). Those are called Performance cores (P-cores).
To allow more cores within the power budget, they added "Efficiency" ( e-cores). Those just run some background tasks at lower clockspeed and don't have HT.
One problem with those is, you only get 8 P-cores, and Windows and some software have a hard time scheduling tasks. To old Windows every core is the same, and it may give high demanding tasks to an E-core. W11 has some better task scheduler to "know" e and P-cores. but it isn't perfect and some software like Revit may also not play well with e/p cores.
That is why in professional settings you use Xeon or AMD that don't use those e-cores to begin with . All their cores are P-cores and there is no problem assigning a hard task to an E-core.
There is an intel tool to see the clock speed of all cores. There also are tools to read temperatures.
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