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From "Lee Crossley (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CB-638) Slow native bridge (especially android)
Date Fri, 04 May 2012 15:46:48 GMT

    [ https://issues.apache.org/jira/browse/CB-638?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13268464#comment-13268464
] 

Lee Crossley commented on CB-638:
---------------------------------

@Patrick - I agree that batching requests (such as file writes) would be faster, as you're
minimising the native callbacks but that is just sticking duck-tape on it and could lead to
other issues. I'm experiencing a 300+ms delay in small file writes on Android 2.3.5 - it's
less than a 10th of that on iOS. Using the WebView.addJavascriptInterface() API (optionally)
could be a great idea.

@Joe - Yes, seeing the source and having an independent party do some testing would be interesting,
I don't think that's going to happen with their commercial modelling :) My point wasn't really
that there's something faster, it's more than I'm experiencing poor performance on Android
devices, especially with earlier Android SDK versions (I'm experiencing a 300+ms delay in
small file writes on Android 2.3.5). It's less than a 10th of that on iOS and what I'm asking
is to see similar performance cross platform.
                
> Slow native bridge (especially android)
> ---------------------------------------
>
>                 Key: CB-638
>                 URL: https://issues.apache.org/jira/browse/CB-638
>             Project: Apache Callback
>          Issue Type: Improvement
>          Components: Android
>            Reporter: Lee Crossley
>
> 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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