Speed issue: renaming exposed VO in AM data model page

Hi JDev team
I'm having some speed issues with a refactoring option in JDev 11gTP4.
If I open the AM editor, navigate to the data model page, select an exposed VO, then rename it via the View Instance edit button dialog, it takes 1min 25seconds to complete the operation, locking the IDE meanwhile. It (subjectively) feels really disruptive when you're rapidly developing to have to wait this long.
Is this an issue that's been identified and logged as a bug/issue?
Cheers,
CM.

Chris,
as a regional directory you should have access to Drop 6 meanwhile (or any day soon). Can you verify the issue against that build ?
Frank

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When you go into the Edit Dashboards page, do you see a BI Publisher icon to your left? just drag and drop that into your page and then click on properties to include your BI Publisher report. If you get an error then check(only after doing the above) whether you have these entries in your InstanceConfig.xml
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Hello Guys,
I use Oracle BI Publisher 11g. Have created a data model by using
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Hi Metalray
For BIP report sample XML data is importent. with sample data you cannot generate the BIP reports.
Follow the below steps, you can achieve your expected BIP output
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Is it proper for an application module has 300 views in the data model?

Based on my understanding, all view object instances are initialized at the same time as the application module.
It follows that when an application module is associated with a user session, the queries of each view object in the data model are executed.
ie. if the data model has 325 view object instances, 325 queries will be executed.
This doesn't seem efficient:
1. As each user session only need to access a subset of the view objects (for examples 35 views), the rest of view objects need not be instantiated for that session.
2. Performance may be slow on executing all 325 queries at one time, even worse when some queries are complex queries.
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No, that's not the default behaviour.
Assuming you're talking JDev 11, the AM on it's General tab as a Tuning option where you can set the loading of the VOs to Lazy or Non-Lazy, Lazy is the default. In turn each VO on their General tab also has a Tuning option of similar nature.
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Does this help?
CM.

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Sue

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Business process, ERD and so on...
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Edited by: allbory on May 17, 2009 11:05 PM

Hello,
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Philip

Iteration Speed issue when Indexing 3D array wried to a while-loop

Brief Description of my Program:
I am working on the real-time signal generation by using LabView and DAQmx (PCI-6110 card). My vi reads the big data file (typically 8MB txt file containing about 400,000 samples (complex double precision). Then, the signal is pre-processed and I end up with a huge 3D array to feed while-loop (typically 3D array dimension is N x 7 x M where N & M >> 7). Inside the loop, that 3D array is indexed and processed before the results are written to the DAQmx outputs. I have a speed issue when indexing the large 3D array (i.e, 3D array having a large sub-array size). My while-loop could not run fast enough to top-up the DAQmx AO buffer (at the output rate of 96kHz). It could run faster only if I use smaller 3D array (i.e, smaller-sized sub-arrays). I do not quite understand why the size of 3D sub-array affects the rate of looping although I am indexing same sub-array size at each iteration. I really appreciate your comments, advices and helps.
I include my 3D array format as a picture below.
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How does indexing an 3D array which wires to the while-loop affect the speed of the loop iteration? I found that large dimension of sub-arrays in the 3D array slows down the iteration speed by comparing to indexing the same size of sub-array from smaller-sized sub-arrays of the 3D array to perform signal processing inside the while-loop. Why? Is there any other way of designing LabView Program to improve speed of iteration?
attachment:

Thank you all for your prompt replies and your interests. I am sorry about my attachment. But, I have now attached a jpg format image file as you suggested.
I had read the few papers on large data handling such as "LabVIEW Performance and Memory Management". Thus, I had already tried to avoid making unnecessary copies of data and growing arrays in my while-loop. I am not an expert on LabView, so I am not sure if the issues I have are just LabView fundamental limitations or there are any other ways to improve the iteration speed without reducing the input file size and DAQ output rate.
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The dimension of my 3D array is N x 7 x M (Page x Row x Column), where N represents number of pages in 3D array, and M represents the size of 1D array. The file I am currently using forms 3D array of N = 28, & M = 10,731. Refering to the top-level vi picture I attached, my while-loop indexes each page per iteration and wrap-around. The sub-VI called "channel" inside the while-loop will further index its input (2D array) into seven of 1D arrays for other signal processsing. The output from that "channel" sub-VI is the superposition of those seven arrays. I hope my explaination is clear.
Attachement: 3Darray.jpg and MyVi.jpg
Kind Regards,
Shein
Attachments:
3Darray.jpg ‏30 KB
MyVI.jpg ‏87 KB

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[svn:fx-trunk] 12982: Fix for issue with exposing accessible names for combobox list items

Revision: 12982
Revision: 12982
Author:   [email protected]
Date:     2009-12-15 20:44:23 -0800 (Tue, 15 Dec 2009)
Log Message:
Fix for issue with exposing accessible names for combobox list items
QE notes: none
Doc notes: none
Bugs: n/a
Reviewer: Gordon
Tests run: checkintests
Is noteworthy for integration: no
Modified Paths:
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Audio pitch / playback speed issue, MacBook Pro 10.4.10

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In any case, if my Mac had problems, I'd send it in for service....!!!
About your problem, I don't think that it depends on hardware.
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Speed Issue in Report With 1130680 Records Returned

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<b>Apologies to the mods if this is in the wrong section, it contains content related to Legacy SDKs (VB6/COM), newer .NET content as well as report design issue.</b>
I'm using Windows XP SP3 with the database hosted on my machine, an [email protected] with 2GB DDR2 RAM. Neither the client's pc nor their server are as powerful as mine. (It sucks, I know.)
A report has a speed issue for the end users. The query to the database (SQLS2008) takes 30 seconds and returns 1 130 680 records. And yes, this is the amount of records that need to be returned (the report is a Sales Details report for transactions from 2008/09/01 to 2009/03/31) Running the query through SQLSMS takes the same amount of time whether I execute the statement that the report sends or put the query into a stored procedure. The relevant indices are in place.
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<li>.NET app - 4:30s
<li>VS2008 IDE - 2:02s
</ul>
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Assembly fAss = Assembly.LoadFile(a.CR06WinForm);
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Suggestion from The specified item was not found. on [this page|Speed issue - internal processing vs views;:
8. For summaries, use conditional formulas instead of running totals when possible.
I didn't know that, but we're doing that already.
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<li>Why do the CR10 .NET runtimes take longer to execute than the CR9 COM runtimes?
<li>I really, really, really need the .NET runtime to outperform the COM runtimes as our purchase of CR2008 hinges on this. As you can probably guess, we're currently using ye olde CR9.2 from 2002.
<li>Why oh why do the CR10 .NET runtimes take longer to execute than the CR9 COM runtimes?
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<li>VB6 - 2:15s
<li>.NET - 2:48s
<li>CR9.2 IDE - 2:19s
<li>VS2008 IDE - 2:34s
</ul>I may or may not be able to push it out to the client like this, I don't know. Why did the VS2008 IDE take longer this time? All I did was change the grouping-on-parameter to ordinary grouping.
<li>Why oh why oh WHY do the CR10 .NET runtimes take longer to execute than the CR9 COM runtimes? Are they just thunkers to the COM DLLs?
<li>Why does the run in the VS2008 IDE (in debug mode BTW, not release mode) run quicker than both programs?
<li><i>AndrewJ.requestACookie(Flavour.Strawberry, Flavour.Alternate.ChocChip, RequestMethod.Please); // Hey, it's 5:44PM and I want to go home for the long weekend! </i>
</ol>
Thank you and have a blessed Easter!
Edited by: AndrewJ on Apr 14, 2009 10:04 AM. Changed the CPU, I was thinking of my CPU at home.

Please re-post if this is still an issue to the .NET Development - Crystal Reports Forum or purchase a case and have a dedicated support engineer work with you directly.
Bottom line is CR Basic is version 10.5. CR 2008 is 12.2.x.xxxx. Install CR 2008 SP 1 to get .NET support.
And you can't compare COM to .NET, it's like comparing apples and oranges, both fruits but different flavors.

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<?xml version="1.0" encoding="utf-8"?><mx:Canvas xmlns:mx="http://www.adobe.com/2006/mxml" width="400" height="300" xmlns:PastDataView="org.XXXXXX.CenterScreen.PastDataView.*" horizontalScrollPolicy="off" click="clicked()">
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"color", 0xe55555);               lblAsset.setStyle(
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I would appreciate any thoughts or feedback you could provide.
~martin

The Canvas is a very heavy object that has lots of overhead. Even worse is the VBox object that is in there multiple times.
What exactally are you trying to accomplish? Just looking over the code, it seems that the same could be done directly with the Graphics API, at a much faster rate.
For each of the VBoxes and Canvases you have, the entire size of each child and parent need to be re-evalulated each time you add or change something. This is a HUGE overhead, and probably why the app is running so slow. You may need to convert this app to use simpler objects (UIComponent or something lower-level like that) to get any speed.
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Speed issue: renaming exposed VO in AM data model page

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