Mark, do you mind sending me the rexx you are using for testing?
Staffan
On Tue, Oct 16, 2012 at 6:51 PM, Mark Miesfeld <miesf...@gmail.com> wrote:
> On Tue, Oct 16, 2012 at 9:40 AM, Staffan Tylen <staffan.ty...@gmail.com>wrote:
>
>
>> Mark, this looks very strange indeed. My system is a Vaio Intel i5-2520M
>> 2.5GHz with 6GB RAM and an SSD drive so it's fast! And I still get these
>> high values, I can't understand it. How many columns are there in your test
>> database? It's the large number of columns that causes the performance
>> problem I think, my test db has 149 columns and around 20,000 rows.
>
>
> Staffan,
>
> I built the database using the code you posted. It has 150 columns and
> 20,000 records.
>
> On several systems I have that have 4 GB of memory, I've run the test and
> collected the timings several hundreds of times. The timings will vary
> within about 1 second of each other, for the same type of record format.
>
> It is only on the one system that has 1 GB of memory that I get any
> problem. And, on that system if I only run exec() one time, I never have a
> problem.
>
> Not sure what to suggest here.
>
>
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