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https://issues.apache.org/jira/browse/CB-638?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13455385#comment-13455385
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Andrew Grieve commented on CB-638:
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After a bike ride and a shower, I have a good guess as to what's going on :)
I think it's a race condition.
#Thread 1 - exec called and starts echo on thread 2
#Thread 2 - thread runs and pushes the result on the queue
#Thread 1 - returns from exec to find message on the queue
#Thread 1 - returns the result to the prompt() call.
I'm not really sure how to easily add a flag to avoid this optimization given
the current structure of the code. Maybe have pluginManager.exec return a
boolean indicating async vs sync. Or just don't worry about it :P
> Slow native bridge (especially android)
> ---------------------------------------
>
> Key: CB-638
> URL: https://issues.apache.org/jira/browse/CB-638
> Project: Apache Cordova
> Issue Type: Improvement
> Components: Android
> Reporter: Lee Crossley
> Assignee: Andrew Grieve
> Priority: Critical
> Labels: 2.1.0
> Fix For: 2.2.0
>
>
> Doing many native callbacks (such as writing files) has a significant
> overhead.
> Trigger.io's native bridge is more than 5 times faster than Cordova (on
> Android).
> http://trigger.io/cross-platform-application-development-blog/wp-content/uploads/2012/02/chart_1-21.png
> I'd love to see similar performance stats in Cordova.
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