In the setup.ini file you can set this to 1
producetruevidmemreading=0
That should give you a mem bar that is more accurate. Make sure gg is off when you change this setting.
For how many objects on your map. Place one more and hover your mouse over it. In the lower left status bar there will be a object number there. Should be the highest number unless you have deleted some along the way.
RIP
Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz, 2400 Mhz, 4 Core(s), 4 Logical Processor(s), 8gb RAM, Nvidia gtx660, Windows 7 Pro 64bit, Screen resolution 1680 x 1050.
New:
Intel(R) Core(TM) i5-8400 CPU @ 2.81GHz, 12GB RAM, Nvidia gtx1050ti 4gb, Windows 10 Home 64bit, Screen resolution 1920 x 1080. System Passmark 3774