New answers tagged performance
The memory pressure (yellow part at the bottom of the first screenshot) so I recommend upping your ram to at least 8 gigs of RAM (or even 16 if you can afford it). To see what kind of RAM you need, see HT1423 .
The CPU percentages shown in Activity Monitor are 100% for each virtual core. Therefore, for your hyper-threaded dual-core processor, 400% is 100%. In my case, the hyper-threaded quad-core in my Mac means that 800% is 100%.
The answer—as explained here—is because of hyperthreading. 1 CPU with 2 cores and 4 virtual cores. Your MacBook Pro (Mid 2012)—as per the screenshot that ids it as “MacBookPro 9,2”—uses a 2.9GHz dual-core Intel Core i7 processor. The i5 & i7 processors use hyperthreading. EDIT CPU percentage on multi-core systems is 100% multiplied by the number of ...
Parallels will rarely be as fast as natively booting Windows via Bootcamp, especially when you're gaming. You're much better off ditching parallels and going back to bootcamp for gaming. By running the VM, you're limiting the amount of resources that are available to OS X and your VM environment; thereby, making each run slower. On some machines where a ...
I had the same problem and it came out it's doing it because of SD Card. I have an SD Card that I use as an extension storage and keep it mounted all the time. Problem solved when I prevented spotlight to index SD Card as described in Buscar's post in my situation.
Top 50 recent answers are included