import bpy, time
from bpy.props import *

s = bpy.context.scene
obs = bpy.data.objects
first_ob = None
db = "DatablockProperty" in dir(bpy.props)

print("Benchmarking ","DatablockVectorProperty" if db else "FloatVectorProperty")

def make_prop():
    return DatablockVectorProperty(type=bpy.types.ID,size=2) if db else FloatVectorProperty(size=2)

class PerfTest(bpy.types.PropertyGroup):
    prop = make_prop()
    prop2 = make_prop()
    prop3 = make_prop()

bpy.utils.register_module(__name__)
bpy.types.Object.test = PointerProperty(type=PerfTest)

if not db:
    value = [1,1]
for i in range(10000):
    ob = obs.new(name="Empty",object_data=None)
    if not first_ob:
        first_ob = ob
    else:
        if db: value = [ob,ob]
        ob.test.prop = value
        ob.test.prop2 = value
        ob.test.prop3 = value

start = time.time()
while(len(obs)):
    obs.remove(obs[0])
print("Deleted in ",time.time() - start)