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From: Timothy J. Ewald (tjewald
DEVELOP.COM)Date: Thu Oct 04 2001 - 11:44:57 CDT
> What I said was, there is no evidence that the performance degradation
> you're seeing is due to changes in the cost of cross-context calls
> between NT/MTS and W2K/COM+. I am not arguing about the existence of the
> symptoms, just Tim's analysis of their cause.
Everyone agrees that cross-context calls are more expensive than
same-context calls because of the interception. The position I took in my
book was that you should only pay that price when you need to. I did not
address the issue of COM+ interception overhead relative to MTS, nor have I
tested it. The topic has come up on this list before and I have
*hypothesized* that increased overhead in interception might be responsible
for the performance decline Charles and others have seen moving from MTS to
COM+. I suggested reducing contexts as a possible solution to the problem
Charles is having. I certainly do not claim that that is the only possible
explanation and since I never saw the source code, there wasn't much I could
do to verify it.
> But this is beside the point.
Yes. Something is making Charles' real world applicatoin run slower under
W2K/COM+. So what is it?
Thanks,
Tim-
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