Proxmox Virtual server work very slow

i have it.
CPU(s): 8 x Intel(R) Xeon(R) CPU E5310 @ 1.60GHz

its server with x2 E5310 (quad core CPU)
 
Hi,
try the vm with only one cpu - due my test with smp the rip-program takes a long time to start with 4 cpus - with 2 cpus it's starts faster - app. half time (and work also a bit faster).
Perhaps you will have with one cpu the normal speed?

Udo