>>>>...(or better shut down PC).
>>>Can I stay in the room please :-)
>>
>>Well, you may try :)
>>
>>BTW, I was just trying to update my reply saying that we don't want an index on logical field and may need to re-test without an index.
>
>I put it just to gain all speed :-)
>
>W/o indexes:
>

>1. -> 10.690
>2. -> 18.517
>3. -> 25.873
>4. -> 25.965
>

>again w/o standing from chair :-)

3.968
4.391
6.297
6.625

And I now get consistent results with =.t. worse performance than without it.