slow Performance ? Buy a Batter Computer /video card?

Good Morning.
I am near half way of my app.
but i found out that ,the more entities i put ,the slower my computer gets.
please help , i upload a screen as attachment.
did i do something wrong? or i just need a new computer?
any ideas welcome .
Thank you so much.
Hi Weixi You,

To me honest, you don't have that many entities, to cause you that...
What computer do you have?


Hi Weixi You,

What's the size of the .oml file on the disk?

Looking to your printscreen, you should be far way from limit where ServiceStudio could get performance problems.

Best regards.
Daniel Martins.