Hi Geoff,

Expicitly assigning IB_Session and IB_Transactions, instead of letting them
default
definitely improved the performance. Just working out new tests.

Thans You
Hans

----- Original Message -----
From: "Geoff Worboys" <geoff@...>
To: <IBObjects@yahoogroups.com>
Sent: Sunday, March 21, 2010 10:49 PM
Subject: Re: [IBO] development


> Geoff Worboys wrote:
>> Delphi 2010 / IBO v4.10.alpha
>
> I realised there were a few more things I should explain about
> the performance tests I reported in the previous post.
>
> My Delphi 2010 tests were done using my experimental version
> of IBObjects (a unicode version). This version of IBO includes
> my prepare optimisation but does little that should effect the
> transfer of row data. (My previous trials of prepare times
> suggest non-optimised versions of IBO may see prepare times of
> up to 5-10x those that I report, depending on many factors.)
>
> Note that I did also compile under Delphi 6 using IBO v4.8.7
> (although once again this IBO had my optimisations installed).
> The times were very similar - it was gratifying to see that
> the unicode version had not done nasty things to performance
> of such basic operations (nor should it, as the data itself
> never gets converted in this transfer processing).
>
>
> Hans, it occurs to me that if your 128M table had a large
> number of small tables then the longer prepare times of the
> normal version of IBObjects could indeed blow-out transfer
> times... but I would have thought it would have to be an
> extreme situation to see the sort of times you are seeing.
>
> --
> Geoff Worboys
> Telesis Computing
>
>
>
> ------------------------------------
>
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