Simulink very slow when changing configuration/block parameters

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Enrico
Enrico 2011-8-1
Hello all,
our university recently upgraded matlab to 2011a. However, I noticed some odd behavior in two cases:
1) after exiting the configuration parameter dialog box, it takes 4-5 seconds before I regain control over the simulink window. This happens even if the simulation is currently stopped.
2) if the simulation is running, and I want to change a block's value (say a constant value block), it takes the same amount of time before I can actually change the value, and again a few seconds after I apply the change before I can get back to the main simulink window. This does not happen if the simulation is not running.
This behaviour can be seen even with a very simple scheme with one matlab function, one scope and a constant value.
This was not the case with the previous version we were using (2006b).
I noticed this behavior under Win7 x64, and WinXp 32. However, the Linux version seems to run fine.
Is there anything that can be done to solve this issue?

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回答（2 个）

Fangjun Jiang
Fangjun Jiang 2011-8-3
No idea. It might be that the computer hardware is no matching for the new software anymore. I have a laptop. It runs R2007b Okay. But it takes more then a minute to start R2010b. Even exiting R2010b takes a long time. I can only wish I'll get a new computer soon.
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Enrico
Enrico 2011-8-3
I don't think it is hardware related. The same PC does not have that problem under Linux. Only under Windows I notice this behavior, which is pretty frustrating.
Moreover, the simulation seems to run faster w.r.t. 2006b, it is just this incredible lag when opening a constant block or editing simulation parameters

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Vivek
Vivek 2013-4-10
Hi, Just curious, have you guys been able to resolve this issue? I am facing similar problems and am using win7-64bit, Matlab 2011a. The bus-creator block is also so slow!
THanks,

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