Tim,
You are right, it is sending more and more data. I was using someone else
test client and did not realize that!
I also increased the permanence by removing the Sleep statement in
LoopEvent and reduced the Sleep in both read & write.
Thanks a lot for the help!
On Mon, Oct 15, 2012 at 11:08 AM, Tim Roberts <t...@probo.com> wrote:
> john smith wrote:
> >
> > But I got another "performance issue" I need your help again.
> >
> > My test app is doing a loop, it seem that every time it loops, it
> > takes SIGNIFICANT SLOWER than last time, if you look at debug trace,
> > on the Throughput (Please see attached)
> >
> > 1) Throughput : 1.37353082311847E-06 MB /sec
> > 2) Throughput : 1.47827364610777E-05 MB /sec
> > 3) Throughput : 0.00014234189339164 MB /sec
> > 4) Throughput : 0.00142455477006608 MB /sec
> > 5) Throughput : 0.014406354683313 MB /sec
> > 6) Throughput : 0.0431200269210705 MB /sec
>
> Actually, this is showing things getting increasingly FASTER over time.
> Higher throughput means better performance.
>
> The log shows that each transfer takes exactly the same amount of time
> (about 2.7 seconds), but each one transfers ten times as much data as
> the last (10, then 100, then 1,000, then 10,000, etc). That naturally
> produces the results you see.
>
> So, basically, you aren't measuring what you think you are measuring.
> For example, it looks like you might have a fixed delay of 2.5 seconds
> somewhere between your "start" and your "stop". You can't measure
> throughput if you are blocking in your timing code.
>
> --
> Tim Roberts, t...@probo.com
> Providenza & Boekelheide, Inc.
>
>
>
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