VFP Cursor Operations - Performance

[MarioV-GH]

Describe the bug
Cursor operations in xSharp with huge performance difference to VFP.

To Reproduce
Comparison of the following prg-code beteween xSharp environment and VFP environment.
cursor_performance.zip

xSharp Performance Info
1000001 rows - insert duration :25,78
1000001 rows - replace duration :8,20
locate duration without index :0,64
duration creating index:6,43
locate duration :1,51

VFP - Performance Info
1000001 rows - insert duration :1.083
1000001 rows - replace duration :0.624
locate duration without index :0.093
duration creating index:0.848
locate duration :0.025

Expected behavior
Performance near VFP.