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RE: [dsdp-dd-dev] request to fix a bug with a breakpoint API change(bug 231156)
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+1
-----Original Message-----
From: dsdp-dd-dev-bounces@xxxxxxxxxxx
[mailto:dsdp-dd-dev-bounces@xxxxxxxxxxx]On Behalf Of Pawel Piech
Sent: Friday, May 09, 2008 2:12 PM
To: Device Debugging developer discussions
Subject: [dsdp-dd-dev] request to fix a bug with a breakpoint API
change(bug 231156)
I would like to make another breaking API change in the DSF view model
code. The change would allow the abstract base classes in the view
model to return a simpler java.util.concurrent.Executor interface
instead of the full-featured DsfExecutor, which in turn would allow the
view model to use a more efficient implementation of the executor. The
down-side of the change is that some assertions used in the various
places in the view model would have to be removed. There are no
interface changes though as IVMProvider.getExecutor() already returns
the simpler executor interface.
On the upside, fixing this bug would visibly improve the UI performance
of DSF as the current DisplayDsfExecutor is somewhat of a hack and has a
lot of performance overhead. The performance improvment is especially
visible in view updates when stepping.
Committers, please vote on whether to make this change in RC1.
Cheers,
Pawel
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