Hello Tatsuo,
>> BTW, I saw this with 9.3.2's pgbench:
>>
>> 239300000 of 3800000000 tuples (-48%) done (elapsed 226.86 s, remaining -696.10 s).
>>
>> -48% does not seem to be quite correct to me...
>
> Included is a proposed fix for this (also fixing weired "remaining"
> part). If there's no objection, I will commit it.
Looks ok, but I would consider switching to "double" instead of "int64".
--
Fabien.