Performance problem i PS Elements
When I want to save an image after editing in PS Elements 11 or Camera Raw, it takes very long time until the image is saved. Sometimes Organizer doesn´t even answer and I have to close the program and restart it.
I have plenty of space on my hard drive, 1.1 TB free of total 1.34. I use Windows 7 Home Premium. Intel Core i5 and 8 GB RAM
/Per
Yes I did redeem the redemption code to get the serial number. And I registered it with no problems.
I actually got a Yield type sign with a ! in it. And the serial started with a number on, just like the tech told me last night.
I use Windows 7 and was told to use disc 2 by the OS when I tried uploading the first disc.
I went to the second screen and canceled. I am now in the editing mode. Not sure what happened but I am now able to get in.
Thanks for the reply.
Similar Messages
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Performance Problems with UI Element Tabstrip and IE
Hi,
I use the UI Element "Tabstrip" in a Java Web Dynpro Application. The application gets slower the more I jump from one tab to the next. All the other UI Elements (e.g. ComboBox, TextField) are affected, too.
A system trace on the Web AS seems to indicate that it is a client problem.
We are using the Internet Explorer 6.0.2900.2180 XP SP2 and the J2EE Engine 6.40.
It seems to be a problem with the Tabstrip element in combination with the IE (Firefox 3 works fine). We created a test application with only the tabstrip element, three tabs, and a combo box. After several clicks on the tabs, the test application gets slower...
Does anyone has had the same problem with the tabstrips, or anyone an idea what might be the reason??
Thanks,
SabineOpen an OSS message (BC-WD-UR).
Armin -
Performance problems when using Premiere Elements for photo slideshows
Hello,
I had been using Premiere Elements 9 (PE9) to make a simple slideshow for my parents from their vacation trip and I ran into some serious performance problems. I had used it to create similar projects before, but not nearly as big. This one is like 260 photos, so basically it is 260 seperate clips. I have a POWERHOUSE workstation (see below) so it isn't my PC. Even when PE9 crashes, looking at my performance monitor my CPU and RAM aren't even halfway being utilized. I finally switched to Windows Movie Maker of all things and it worked seemlessly, amazing really. I'm wondering if I was just using PE9 for something other than what it was designed for since there weren't really any video clips, just a ton of photos that I made into video clips, if that makes sense. Based upon my experience with this so far, I can't imagine using PE9 anymore for anything really. I might have the need for a more professional video editing program in the near future, although it does seem like PE has a lot of features. How can I make sure it utilizes my workstation to its full potential? Here are my specs:
PC
Intel Core i7-2600K 4.6 GHz Overclocked
ASUS P8P67 Deluxe Motherboard
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Yes, this system is blazingly fast. I have yet to feel it slow down, even with Photoshop, Lightroom, InDesign, Illustrator and numerous other apps running at the same time. HOWEVER, Premiere Elements 9 has crashed NUMERUOS times, every time my system wasn't even close to being fully taxed.
Monitors – All run on the ATI V8800
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There ARE some differences between PrE and PrPro w/ an approved CUDA-capable and MPE hardware acceleration-enabled nVidia video card, but those differences show up ONLY in the quality of the Scaling. The processing overhead is almost exactly the same, when it comes to handling the extra pixels.
As of PrPro CS 5, two things changed:
The max. size of Still Images went up from 4096 x 4096 pixels, to quite a bit larger (cannot recall the numbers now).
The Scaling algorithms have been improved, though ONLY with the correct nVidia cards, with MPE hardware support enabled.
Now, there CAN be another consideration, between the two programs, in that PrPro CS 5 - CS 6, are 64-bit ONLY, so one benefits from the computer and OS to run it. PrE can be either 32-bit, or 64-bit, so one might, or might not, be taking advantage of the 64-bit program and OS. Still, the processing overhead will be almost identical, it's just that the 64-bit OS can spread it around a bit.
I still recommend Scaling the large Still Images in PS, prior to Import, to keep that processing overhead as low as is possible. Scaled Still Images work just fine, and I have one Project with 3000+ Scaled Still Images, that edits just fine in PrPro, even on my older 32-bit workstation. Testing that same machine, and PrPro some years ago, I could ONLY work with up to 5 - 4096 x 4096 Stills, before things ground to a crawl.
Now, Adobe AfterEffects handles large Still Images differently, so I just moved that test Project to AE, and added another 20 large Images, which edited just fine. IIRC, AE can handle Still Images up to 10K x 10K pixels, and that might have gone up, as of CS 5.
Good luck, and hope that helps,
Hunt -
Performance problems with new Java Tiger style recommendations
Performance problems with jdk 1.5 on Linux plattform
(not tested on Windows, might be the same)
using the new style recommendations.
I need fast Vector loops for high speed mathematical calculations, some
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After refactoring using the new features from java 1.5 (as recommended from
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The new code (recommended from SUN for Java Tiger for redesign):
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for (int i = 0; i < units.size(); i++) units.elementAt(i).accumulate();
I expected the opposite.
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The following additional information I got from Mr. Shankar Unni:
I got some fairly anomalous results comparing ArrayList and Vector: for the
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vector elementAt loop took 3446 ms.
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arraylist get loop took 4136 ms.
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Performance Problems on Faces Navigation Diagram and Hyperthreading query
Am I the only one having performance problems when dealing with Faces-Config Diagrams of about 35 JSPs displayed on the sheet. using Jdev 10.1.3 It's taking my workstation about a full minute and a half to update the name of an arrow. The most stressed component during this task seems to be the CPU.
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Ingo -
Performance problems with XMLTABLE and XMLQUERY involving relational data
Hello-
Is anyone out there using XMLTABLE or XMLQUERY with more than a toy set of data? I am running into serious performance problems tyring to do basic things such as:
* Combine records in 10 relational tables into a single table of XMLTYPE records using XMLTABLE. This hangs indefinitely for any more than 800 records. Oracle has confirmed that this is a problem and is working on a fix.
* Combine a single XMLTYPE record with several relational code tables into a single XMLTYPE record using XMLQUERY and ora:view() to insert code descriptions after each code. Performance is 10 seconds for 10 records (terrible) passing a batch of records , or 160 seconds for one record (unacceptable!). How can it take 10 times longer to process 1/10th the number of records? Ironically, the query plan says it will do a full table scan of records for the batch, but an index access for the one record passed to the XMLQUERY.
I am rapidly losing faith in XML DB, and desparately need some hints on how to work around these performance problems, or at least some assurance that others have been able to get this thing to perform.<Note>Long post, sorry.</Note>
First, thanks for the responses above. I'm impressed with the quality of thought put into them. (Do the forum rules allow me to offer rewards? :) One suggestion in particular made a big performance improvement, and I’m encouraged to hear of good performance in pure XML situations. Unfortunately, I think there is a real performance challenge in two use cases that are pertinent to the XML+relational subject of this post and probably increasingly common as XML DB usage increases:
• Converting legacy tabular data into XML records; and
• Performing code table lookups for coded values in XML records.
There are three things I want to accomplish with this post:
• Clarify what we are trying to accomplish, which might expose completely different approaches than I have tried
• Let you know what I tried so far and the rationale for my approach to help expose flaws in my thinking and share what I have learned
• Highlight remaining performance issues in hopes that we can solve them
What we are trying to accomplish:
• Receive a monthly feed of 10,000 XML records (batched together in text files), each containing information about an employee, including elements that repeat for every year of service. We may need to process an annual feed of 1,000,000 XML records in the future.
• Receive a one-time feed of 500,000 employee records stored in about 10 relational tables, with a maximum join depth of 2 or 3. This is inherently a relational-to-XML process. One record/second is minimally acceptable, but 10 records/sec would be better.
• Consolidate a few records (from different providers) for each employee into a single record. Given the data volume, we need to achieve a minimum rate of 10 records per second. This may be an XML-only process, or XML+relational if code lookups are done during consolidation.
• Allow the records to be viewed and edited, with codes resolved into user-friendly descriptions. Since a user is sitting there, code lookups done when a record is viewed (vs. during consolidation) should not take more than 3 seconds total. We have about 20 code tables averaging a few hundred rows each, though one has 450,000 rows.
As requested earlier, I have included code at the end of this post for example tables and queries that accurately (but simply) replicate our real system.
Why we did and why:
• Stored the source XML records as CLOBS: We did this to preserve the records exactly as they were certified and sent from providers. In addition, we always access the entire XML record as a whole (e.g., when viewing a record or consolidating employee records), so this storage model seemed like a good fit. We can copy them into another format if necessary.
• Stored the consolidated XML employee records as “binary XML”. We did this because we almost always access a single, entire record as a whole (for view/edit), but might want to create some summary statistics at some point. Binary XML seemed the best fit.
• Used ora:view() for both tabular source records and lookup tables. We are not aware of any alternatives at this time. If it made sense, most code tables could be pre-converted into XML documents, but this seemed risky from a performance standpoint because the lookups use both code and date range constraints (the meaning of codes changes over time).
• Stored records as XMLTYPE columns in a table with other key columns on the table, plus an XMLTYPE metadata column. We thought this would facilitate pulling a single record (or a few records for a given employee) quickly. We knew this might be unnecessary given XML indexes and virtual columns, but were not experienced with those and wanted the comfort of traditional keys. We did not used XMLTYPE tables or the XML Repository for documents.
• Used XMLTABLE to consolidate XML records by looping over each distinct employee ID in the source batch. We also tried XMLQUERY and it seems to perform about the same. We can achieve 10 to 20 records/second if we do not do any code lookups during consolidation, just meeting our performance requirement, but still much slower than expected.
• Used PL/SQL with XMLFOREST to convert tabular source records to XML by looping over distinct employee IDs. We tried this outside PL/SQL both with XMLFOREST and XMLTABLE+ora:view(), but it hangs in both cases for more than 800 records (a known/open issue). We were able to get it to work by using an explicit cursor to loop over distinct employee IDs (rather than processing all records at once within the query). The performance is one record/second, which is minimally acceptable and interferes with other database activity.
• Used XMLQUERY plus ora:view() plus XPATH constraints to perform code lookups. When passing a single employee record, the response time ranges from 1 sec to 160 sec depending on the length of the record (i.e., number of years of service). We achieved a 5-fold speedup using an XMLINDEX (thank you Marco!!). The result may be minimally acceptable, but I’m baffled why the index would be needed when processing a single XML record. Other things we tried: joining code tables in the FOR...WHERE clauses, joining code tables using LET with XPATH constraints and LET with WHERE clause constraints, and looking up codes individually via JDBC from the application code at presentation time. All those approaches were slower. Note: the difference I mentioned above in equality/inequality constraint performance was due to data record variations not query plan variations.
What issues remain?
We have a minimally acceptable solution from a performance standpoint with one very awkward PL/SQL workaround. The performance of a mixed XML+relational data query is still marginal IMHO, until we properly utilize available optimizations, fix known problems, and perhaps get some new query optimizations. On the last point, I think the query plan for tabular lookups of codes in XML records is falling short right now. I’m reminded of data warehousing in the days before hash joins and star join optimization. I would be happy to be wrong, and just as happy for viable workarounds if I am right!
Here are the details on our code lookup challenge. Additional suggestions would be greatly appreciated. I’ll try to post more detail on the legacy table conversion challenge later.
-- The main record table:
create table RECORDS (
SSN varchar2(20),
XMLREC sys.xmltype
xmltype column XMLREC store as binary xml;
create index records_ssn on records(ssn);
-- A dozen code tables represented by one like this:
create table CODES (
CODE varchar2(4),
DESCRIPTION varchar2(500)
create index codes_code on codes(code);
-- Some XML records with coded values (the real records are much more complex of course):
-- I think this took about a minute or two
DECLARE
ssn varchar2(20);
xmlrec xmltype;
i integer;
BEGIN
xmlrec := xmltype('<?xml version="1.0"?>
<Root>
<Id>123456789</Id>
<Element>
<Subelement1><Code>11</Code></Subelement1>
<Subelement2><Code>21</Code></Subelement2>
<Subelement3><Code>31</Code></Subelement3>
</Element>
<Element>
<Subelement1><Code>11</Code></Subelement1>
<Subelement2><Code>21</Code></Subelement2>
<Subelement3><Code>31</Code></Subelement3>
</Element>
<Element>
<Subelement1><Code>11</Code></Subelement1>
<Subelement2><Code>21</Code></Subelement2>
<Subelement3><Code>31</Code></Subelement3>
</Element>
</Root>
for i IN 1..100000 loop
insert into records(ssn, xmlrec) values (i, xmlrec);
end loop;
commit;
END;
-- Some code data like this (ignoring date ranges on codes):
DECLARE
description varchar2(100);
i integer;
BEGIN
description := 'This is the code description ';
for i IN 1..3000 loop
insert into codes(code, description) values (to_char(i), description);
end loop;
commit;
end;
-- Retrieve one record while performing code lookups. Takes about 5-6 seconds...pretty slow.
-- Each additional lookup (times 3 repeating elements in the data) adds about 1 second.
-- A typical real record has 5 Elements and 20 Subelements, meaning more than 20 seconds to display the record
-- Note we are accessing a single XML record based on SSN
-- Note also we are reusing the one test code table multiple times for convenience of this test
select xmlquery('
for $r in Root
return
<Root>
<Id>123456789</Id>
{for $e in $r/Element
return
<Element>
<Subelement1>
{$e/Subelement1/Code}
<Description>
{ora:view("disaac","codes")/ROW[CODE=$e/Subelement1/Code]/DESCRIPTION/text() }
</Description>
</Subelement1>
<Subelement2>
{$e/Subelement2/Code}
<Description>
{ora:view("disaac","codes")/ROW[CODE=$e/Subelement2/Code]/DESCRIPTION/text()}
</Description>
</Subelement2>
<Subelement3>
{$e/Subelement3/Code}
<Description>
{ora:view("disaac","codes")/ROW[CODE=$e/Subelement3/Code]/DESCRIPTION/text() }
</Description>
</Subelement3>
</Element>
</Root>
' passing xmlrec returning content)
from records
where ssn = '10000';
The plan shows the nested loop access that slows things down.
By contrast, a functionally-similar SQL query on relational data will use a hash join and perform 10x to 100x faster, even for a single record. There seems to be no way for the optimizer to see the regularity in the XML structure and perform a corresponding optimization in joining the code tables. Not sure if registering a schema would help. Using structured storage probably would. But should that be necessary given we’re working with a single record?
Operation Object
|SELECT STATEMENT ()
| SORT (AGGREGATE)
| NESTED LOOPS (SEMI)
| TABLE ACCESS (FULL) CODES
| XPATH EVALUATION ()
| SORT (AGGREGATE)
| NESTED LOOPS (SEMI)
| TABLE ACCESS (FULL) CODES
| XPATH EVALUATION ()
| SORT (AGGREGATE)
| NESTED LOOPS (SEMI)
| TABLE ACCESS (FULL) CODES
| XPATH EVALUATION ()
| SORT (AGGREGATE)
| XPATH EVALUATION ()
| SORT (AGGREGATE)
| XPATH EVALUATION ()
| TABLE ACCESS (BY INDEX ROWID) RECORDS
| INDEX (RANGE SCAN) RECORDS_SSN
With an xmlindex, the same query above runs in about 1 second, so is about 5x faster (0.2 sec/lookup), which is almost good enough. Is this the answer? Or is there a better way? I’m not sure why the optimizer wants to scan the code tables and index into the (one) XML record, rather than the other way around, but maybe that makes sense if the optimizer wants to use the same general plan as when the WHERE clause constraint is relaxed to multiple records.
-- Add an xmlindex. Takes about 2.5 minutes
create index records_record_xml ON records(xmlrec)
indextype IS xdb.xmlindex;
Operation Object
|SELECT STATEMENT ()
| SORT (GROUP BY)
| FILTER ()
| NESTED LOOPS ()
| FAST DUAL ()
| TABLE ACCESS (BY INDEX ROWID) SYS113473_RECORDS_R_PATH_TABLE
| INDEX (RANGE SCAN) SYS113473_RECORDS_R_PATHID_IX
| SORT (AGGREGATE)
| FILTER ()
| TABLE ACCESS (FULL) CODES
| FILTER ()
| NESTED LOOPS ()
| FAST DUAL ()
| TABLE ACCESS (BY INDEX ROWID) SYS113473_RECORDS_R_PATH_TABLE
| INDEX (RANGE SCAN) SYS113473_RECORDS_R_PATHID_IX
| SORT (GROUP BY)
| FILTER ()
| NESTED LOOPS ()
| FAST DUAL ()
| TABLE ACCESS (BY INDEX ROWID) SYS113473_RECORDS_R_PATH_TABLE
| INDEX (RANGE SCAN) SYS113473_RECORDS_R_PATHID_IX
| SORT (AGGREGATE)
| FILTER ()
| TABLE ACCESS (FULL) CODES
| FILTER ()
| NESTED LOOPS ()
| FAST DUAL ()
| TABLE ACCESS (BY INDEX ROWID) SYS113473_RECORDS_R_PATH_TABLE
| INDEX (RANGE SCAN) SYS113473_RECORDS_R_PATHID_IX
| SORT (GROUP BY)
| FILTER ()
| NESTED LOOPS ()
| FAST DUAL ()
| TABLE ACCESS (BY INDEX ROWID) SYS113473_RECORDS_R_PATH_TABLE
| INDEX (RANGE SCAN) SYS113473_RECORDS_R_PATHID_IX
| SORT (AGGREGATE)
| FILTER ()
| TABLE ACCESS (FULL) CODES
| FILTER ()
| NESTED LOOPS ()
| FAST DUAL ()
| TABLE ACCESS (BY INDEX ROWID) SYS113473_RECORDS_R_PATH_TABLE
| INDEX (RANGE SCAN) SYS113473_RECORDS_R_PATHID_IX
| SORT (AGGREGATE)
| FILTER ()
| NESTED LOOPS ()
| FAST DUAL ()
| TABLE ACCESS (BY INDEX ROWID) SYS113473_RECORDS_R_PATH_TABLE
| INDEX (RANGE SCAN) SYS113473_RECORDS_R_PATHID_IX
| SORT (AGGREGATE)
| TABLE ACCESS (BY INDEX ROWID) SYS113473_RECORDS_R_PATH_TABLE
| INDEX (RANGE SCAN) SYS113473_RECORDS_R_PATHID_IX
| TABLE ACCESS (BY INDEX ROWID) RECORDS
| INDEX (RANGE SCAN) RECORDS_SSN
Am I on the right path, or am I totally using the wrong approach? I thought about using XSLT but was unsure how to reference the code tables.
I’ve done the best I can constraining the main record to a single row passed to the XMLQUERY. Given Mark’s post (thanks!) should I be joining and constraining the code tables in the SQL WHERE clause too? That’s going to make the query much more complicated, but right now we’re more concerned about performance than complexity. -
JTable sorting - problem when adding elements (complete code inside)
I�m writing this email with reference to a recent posting here but this time with the code example. (I apologize for the duplicated posting � this time it will be with the code)
Problem: when adding more elements to the JTable (sorted) the exception: ArrayIndexOutOfBoundsException is thrown.
Example: If the elements in the table are 10 and then the user requests for 8 � the table will produce the correct result. However, if the user will ask for 11 items (>10) the exception will be thrown.
The program: The program below (compiles and running). A JTable is constructed with 3 items, when you click the button - the return result should be 4 items - this will generate the error, WHY?
I would highly appreciate your thoughts why this is happening and most importantly � how to fix it.
Thanks a lot
3 files:
(1) TableSorterDemo
(2) Traveler
(3)TableSorter
//TableSorterDemo:
package sorter;
import javax.swing.DefaultListModel;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
* TableSorterDemo is like TableDemo, except that it
* inserts a custom model -- a sorter -- between the table
* and its data model. It also has column tool tips.
public class TableSorterDemo implements ActionListener
private JPanel superPanel;
private JButton clickMe = new JButton("click me to get diff data");
private boolean DEBUG = false;
private DefaultListModel defaultListModel;
private JTable table;
public TableSorterDemo()
superPanel = new JPanel(new BorderLayout());
defaultListModel = new DefaultListModel();
init1();
TableSorter sorter = new TableSorter(new MyTableModel(defaultListModel)); //ADDED THIS
table = new JTable(sorter); //NEW
sorter.setTableHeader(table.getTableHeader()); //ADDED THIS
table.setPreferredScrollableViewportSize(new Dimension(500, 70));
//Set up tool tips for column headers.
table.getTableHeader().setToolTipText(
"Click to specify sorting; Control-Click to specify secondary sorting");
//Create the scroll pane and add the table to it.
JScrollPane scrollPane = new JScrollPane(table);
//Add the scroll pane to this panel.
superPanel.add("Center", scrollPane);
superPanel.add("South",clickMe);
clickMe.addActionListener(this);
public JPanel getPanel()
return superPanel;
public void init1()
//in real life this will be done from the db
Traveler a = new Traveler();
Traveler b = new Traveler();
Traveler c = new Traveler();
a.setFirstName("Elvis");
a.setLastName("Presley");
a.setSprot("Ping Pong");
a.setNumYears(3);
a.setVegetarian(true);
b.setFirstName("Elton");
b.setLastName("John");
b.setSprot("Soccer");
b.setNumYears(2);
b.setVegetarian(true);
c.setFirstName("shaquille");
c.setLastName("oneil");
c.setSprot("Golf");
c.setNumYears(22);
c.setVegetarian(true);
defaultListModel.addElement(a);
defaultListModel.addElement(b);
defaultListModel.addElement(c);
public void init2()
//in real life this will be done from the db
Traveler d = new Traveler();
Traveler e = new Traveler();
Traveler f = new Traveler();
Traveler g = new Traveler();
d.setFirstName("John");
d.setLastName("Smith");
d.setSprot("Tennis");
d.setNumYears(32);
d.setVegetarian(true);
e.setFirstName("Ron");
e.setLastName("Cohen");
e.setSprot("Baseball");
e.setNumYears(12);
e.setVegetarian(true);
f.setFirstName("Donald");
f.setLastName("Mac Novice");
f.setSprot("Vallyball");
f.setNumYears(1);
f.setVegetarian(true);
g.setFirstName("Eithan");
g.setLastName("Superstar");
g.setSprot("Vallyball");
g.setNumYears(21);
g.setVegetarian(true);
defaultListModel.addElement(d);
defaultListModel.addElement(e);
defaultListModel.addElement(f);
defaultListModel.addElement(g);
class MyTableModel extends AbstractTableModel
private DefaultListModel myModel;
public MyTableModel(DefaultListModel m)
myModel=m;
private String[] columnNames = {"First Name",
"Last Name",
"Sport",
"# of Years",
"Vegetarian"};
public int getColumnCount()
return columnNames.length;
public int getRowCount()
return myModel.size();
public String getColumnName(int column)
return getNames()[column];
public String[] getNames()
String[] names = {"First Name", "Last Name", "Sport", "# of Years", "Vegetarian"};
return names;
public Object getValueAt(int row, int col)
return distributeObjectsInTable(row, col, (Traveler) myModel.elementAt(row));
public Object distributeObjectsInTable(int row, int col, Traveler tr)
switch(col)
case 0:
return tr.getFirstName();
case 1:
return tr.getLastName();
case 2:
return tr.getSprot();
case 3:
return new Integer(tr.getNumYears());
case 4:
return new Boolean (tr.isVegetarian());
default:
return "Error";
public Class getColumnClass(int c)
return getValueAt(0, c).getClass();
private static void createAndShowGUI()
//Make sure we have nice window decorations.
JFrame.setDefaultLookAndFeelDecorated(true);
//Create and set up the window.
JFrame frame = new JFrame("TableSorterDemo");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//Create and set up the content pane.
TableSorterDemo newContentPane = new TableSorterDemo();
newContentPane.getPanel().setOpaque(true); //content panes must be opaque
frame.setContentPane(newContentPane.getPanel());
//Display the window.
frame.pack();
frame.setVisible(true);
public static void main(String[] args)
//Schedule a job for the event-dispatching thread:
//creating and showing this application's GUI.
javax.swing.SwingUtilities.invokeLater(new Runnable()
public void run()
createAndShowGUI();
public void actionPerformed(ActionEvent ae)
if (ae.getSource()==clickMe)
defaultListModel.removeAllElements();
init2(); //if the size of the model was less than 2 items - the result will be ok.
//in other words, if you commens the last 2 rows of this method (addElement(f) & g)
// the result will be fine.
table.updateUI();
}//(2) Traveler
package sorter;
public class Traveler
private String firstName;
private String lastName;
private String sprot;
private int numYears;
private boolean vegetarian;
public String getFirstName()
return firstName;
public String getLastName()
return lastName;
public int getNumYears()
return numYears;
public String getSprot()
return sprot;
public boolean isVegetarian()
return vegetarian;
public void setFirstName(String firstName)
this.firstName = firstName;
public void setLastName(String lastName)
this.lastName = lastName;
public void setNumYears(int numYears)
this.numYears = numYears;
public void setSprot(String sprot)
this.sprot = sprot;
public void setVegetarian(boolean vegetarian)
this.vegetarian = vegetarian;
}//(3)TableSorter
package sorter;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import java.util.List;
import javax.swing.*;
import javax.swing.event.TableModelEvent;
import javax.swing.event.TableModelListener;
import javax.swing.table.*;
public class TableSorter extends AbstractTableModel {
protected TableModel tableModel;
public static final int DESCENDING = -1;
public static final int NOT_SORTED = 0;
public static final int ASCENDING = 1;
private static Directive EMPTY_DIRECTIVE = new Directive(-1, NOT_SORTED);
public static final Comparator COMPARABLE_COMAPRATOR = new Comparator() {
public int compare(Object o1, Object o2) {
return ((Comparable) o1).compareTo(o2);
public static final Comparator LEXICAL_COMPARATOR = new Comparator() {
public int compare(Object o1, Object o2) {
return o1.toString().compareTo(o2.toString());
private Row[] viewToModel;
private int[] modelToView;
private JTableHeader tableHeader;
private MouseListener mouseListener;
private TableModelListener tableModelListener;
private Map columnComparators = new HashMap();
private List sortingColumns = new ArrayList();
public TableSorter() {
this.mouseListener = new MouseHandler();
this.tableModelListener = new TableModelHandler();
public TableSorter(TableModel tableModel) {
this();
setTableModel(tableModel);
public TableSorter(TableModel tableModel, JTableHeader tableHeader) {
this();
setTableHeader(tableHeader);
setTableModel(tableModel);
private void clearSortingState() {
viewToModel = null;
modelToView = null;
public TableModel getTableModel() {
return tableModel;
public void setTableModel(TableModel tableModel) {
if (this.tableModel != null) {
this.tableModel.removeTableModelListener(tableModelListener);
this.tableModel = tableModel;
if (this.tableModel != null) {
this.tableModel.addTableModelListener(tableModelListener);
clearSortingState();
fireTableStructureChanged();
public JTableHeader getTableHeader() {
return tableHeader;
public void setTableHeader(JTableHeader tableHeader) {
if (this.tableHeader != null) {
this.tableHeader.removeMouseListener(mouseListener);
TableCellRenderer defaultRenderer = this.tableHeader.getDefaultRenderer();
if (defaultRenderer instanceof SortableHeaderRenderer) {
this.tableHeader.setDefaultRenderer(((SortableHeaderRenderer) defaultRenderer).tableCellRenderer);
this.tableHeader = tableHeader;
if (this.tableHeader != null) {
this.tableHeader.addMouseListener(mouseListener);
this.tableHeader.setDefaultRenderer(
new SortableHeaderRenderer(this.tableHeader.getDefaultRenderer()));
public boolean isSorting() {
return sortingColumns.size() != 0;
private Directive getDirective(int column) {
for (int i = 0; i < sortingColumns.size(); i++) {
Directive directive = (Directive)sortingColumns.get(i);
if (directive.column == column) {
return directive;
return EMPTY_DIRECTIVE;
public int getSortingStatus(int column) {
return getDirective(column).direction;
private void sortingStatusChanged() {
clearSortingState();
fireTableDataChanged();
if (tableHeader != null) {
tableHeader.repaint();
public void setSortingStatus(int column, int status) {
Directive directive = getDirective(column);
if (directive != EMPTY_DIRECTIVE) {
sortingColumns.remove(directive);
if (status != NOT_SORTED) {
sortingColumns.add(new Directive(column, status));
sortingStatusChanged();
protected Icon getHeaderRendererIcon(int column, int size) {
Directive directive = getDirective(column);
if (directive == EMPTY_DIRECTIVE) {
return null;
return new Arrow(directive.direction == DESCENDING, size, sortingColumns.indexOf(directive));
private void cancelSorting() {
sortingColumns.clear();
sortingStatusChanged();
public void setColumnComparator(Class type, Comparator comparator) {
if (comparator == null) {
columnComparators.remove(type);
} else {
columnComparators.put(type, comparator);
protected Comparator getComparator(int column) {
Class columnType = tableModel.getColumnClass(column);
Comparator comparator = (Comparator) columnComparators.get(columnType);
if (comparator != null) {
return comparator;
if (Comparable.class.isAssignableFrom(columnType)) {
return COMPARABLE_COMAPRATOR;
return LEXICAL_COMPARATOR;
private Row[] getViewToModel() {
if (viewToModel == null) {
int tableModelRowCount = tableModel.getRowCount();
viewToModel = new Row[tableModelRowCount];
for (int row = 0; row < tableModelRowCount; row++) {
viewToModel[row] = new Row(row);
if (isSorting()) {
Arrays.sort(viewToModel);
return viewToModel;
public int modelIndex(int viewIndex)
return getViewToModel()[viewIndex].modelIndex;
private int[] getModelToView()
if (modelToView == null) {
int n = getViewToModel().length;
modelToView = new int[n];
for (int i = 0; i < n; i++) {
modelToView[modelIndex(i)] = i;
return modelToView;
// TableModel interface methods
public int getRowCount() {
return (tableModel == null) ? 0 : tableModel.getRowCount();
public int getColumnCount() {
return (tableModel == null) ? 0 : tableModel.getColumnCount();
public String getColumnName(int column) {
return tableModel.getColumnName(column);
public Class getColumnClass(int column) {
return tableModel.getColumnClass(column);
public boolean isCellEditable(int row, int column) {
return tableModel.isCellEditable(modelIndex(row), column);
public Object getValueAt(int row, int column) {
return tableModel.getValueAt(modelIndex(row), column);
public void setValueAt(Object aValue, int row, int column) {
tableModel.setValueAt(aValue, modelIndex(row), column);
// Helper classes
private class Row implements Comparable {
private int modelIndex;
public Row(int index) {
this.modelIndex = index;
public int compareTo(Object o) {
int row1 = modelIndex;
int row2 = ((Row) o).modelIndex;
for (Iterator it = sortingColumns.iterator(); it.hasNext();) {
Directive directive = (Directive) it.next();
int column = directive.column;
Object o1 = tableModel.getValueAt(row1, column);
Object o2 = tableModel.getValueAt(row2, column);
int comparison = 0;
// Define null less than everything, except null.
if (o1 == null && o2 == null) {
comparison = 0;
} else if (o1 == null) {
comparison = -1;
} else if (o2 == null) {
comparison = 1;
} else {
comparison = getComparator(column).compare(o1, o2);
if (comparison != 0) {
return directive.direction == DESCENDING ? -comparison : comparison;
return 0;
private class TableModelHandler implements TableModelListener {
public void tableChanged(TableModelEvent e) {
// If we're not sorting by anything, just pass the event along.
if (!isSorting()) {
clearSortingState();
fireTableChanged(e);
return;
// If the table structure has changed, cancel the sorting; the
// sorting columns may have been either moved or deleted from
// the model.
if (e.getFirstRow() == TableModelEvent.HEADER_ROW) {
cancelSorting();
fireTableChanged(e);
return;
// We can map a cell event through to the view without widening
// when the following conditions apply:
// a) all the changes are on one row (e.getFirstRow() == e.getLastRow()) and,
// b) all the changes are in one column (column != TableModelEvent.ALL_COLUMNS) and,
// c) we are not sorting on that column (getSortingStatus(column) == NOT_SORTED) and,
// d) a reverse lookup will not trigger a sort (modelToView != null)
// Note: INSERT and DELETE events fail this test as they have column == ALL_COLUMNS.
// The last check, for (modelToView != null) is to see if modelToView
// is already allocated. If we don't do this check; sorting can become
// a performance bottleneck for applications where cells
// change rapidly in different parts of the table. If cells
// change alternately in the sorting column and then outside of
// it this class can end up re-sorting on alternate cell updates -
// which can be a performance problem for large tables. The last
// clause avoids this problem.
int column = e.getColumn();
if (e.getFirstRow() == e.getLastRow()
&& column != TableModelEvent.ALL_COLUMNS
&& getSortingStatus(column) == NOT_SORTED
&& modelToView != null) {
int viewIndex = getModelToView()[e.getFirstRow()];
fireTableChanged(new TableModelEvent(TableSorter.this,
viewIndex, viewIndex,
column, e.getType()));
return;
// Something has happened to the data that may have invalidated the row order.
clearSortingState();
fireTableDataChanged();
return;
private class MouseHandler extends MouseAdapter {
public void mouseClicked(MouseEvent e) {
JTableHeader h = (JTableHeader) e.getSource();
TableColumnModel columnModel = h.getColumnModel();
int viewColumn = columnModel.getColumnIndexAtX(e.getX());
int column = columnModel.getColumn(viewColumn).getModelIndex();
if (column != -1) {
int status = getSortingStatus(column);
if (!e.isControlDown()) {
cancelSorting();
// Cycle the sorting states through {NOT_SORTED, ASCENDING, DESCENDING} or
// {NOT_SORTED, DESCENDING, ASCENDING} depending on whether shift is pressed.
status = status + (e.isShiftDown() ? -1 : 1);
status = (status + 4) % 3 - 1; // signed mod, returning {-1, 0, 1}
setSortingStatus(column, status);
private static class Arrow implements Icon {
private boolean descending;
private int size;
private int priority;
public Arrow(boolean descending, int size, int priority) {
this.descending = descending;
this.size = size;
this.priority = priority;
public void paintIcon(Component c, Graphics g, int x, int y) {
Color color = c == null ? Color.GRAY : c.getBackground();
// In a compound sort, make each succesive triangle 20%
// smaller than the previous one.
int dx = (int)(size/2*Math.pow(0.8, priority));
int dy = descending ? dx : -dx;
// Align icon (roughly) with font baseline.
y = y + 5*size/6 + (descending ? -dy : 0);
int shift = descending ? 1 : -1;
g.translate(x, y);
// Right diagonal.
g.setColor(color.darker());
g.drawLine(dx / 2, dy, 0, 0);
g.drawLine(dx / 2, dy + shift, 0, shift);
// Left diagonal.
g.setColor(color.brighter());
g.drawLine(dx / 2, dy, dx, 0);
g.drawLine(dx / 2, dy + shift, dx, shift);
// Horizontal line.
if (descending) {
g.setColor(color.darker().darker());
} else {
g.setColor(color.brighter().brighter());
g.drawLine(dx, 0, 0, 0);
g.setColor(color);
g.translate(-x, -y);
public int getIconWidth() {
return size;
public int getIconHeight() {
return size;
private class SortableHeaderRenderer implements TableCellRenderer {
private TableCellRenderer tableCellRenderer;
public SortableHeaderRenderer(TableCellRenderer tableCellRenderer) {
this.tableCellRenderer = tableCellRenderer;
public Component getTableCellRendererComponent(JTable table,
Object value,
boolean isSelected,
boolean hasFocus,
int row,
int column) {
Component c = tableCellRenderer.getTableCellRendererComponent(table,
value, isSelected, hasFocus, row, column);
if (c instanceof JLabel) {
JLabel l = (JLabel) c;
l.setHorizontalTextPosition(JLabel.LEFT);
int modelColumn = table.convertColumnIndexToModel(column);
l.setIcon(getHeaderRendererIcon(modelColumn, l.getFont().getSize()));
return c;
private static class Directive {
private int column;
private int direction;
public Directive(int column, int direction) {
this.column = column;
this.direction = direction;
}The table listens to the TableModel for changes. Changing the table by adding/removing
rows or columns has no affect on its table model. If you make changes to the table model
the table will be notified by its TableModelListener and change its view. So tell
MyTableModel about the change of data:
public class TableSorterDemo implements ActionListener
MyTableModel tableModel;
public TableSorterDemo()
defaultListModel = new DefaultListModel();
init1();
tableModel = new MyTableModel(defaultListModel);
TableSorter sorter = new TableSorter(tableModel);
public void actionPerformed(ActionEvent ae)
if (ae.getSource()==clickMe)
defaultListModel.removeAllElements();
init2();
tableModel.fireTableStructureChanged();
} -
Performance Problem in parsing large XML file (15MB)
Hi,
I'm trying to parse a large XML file(15 MB) and facing a clear performance problem. A Simple XML Validation using the following code snippet:
DBMS_LOB.fileopen(targetFile, DBMS_LOB.file_readonly);
DBMS_LOB.loadClobfromFile
tempCLOB,
targetFile,
DBMS_LOB.getLength(targetFile),
dest_offset,
src_offset,
nls_charset_id(CONSTANT_CHARSET),
lang_context,
conv_warning
DBMS_LOB.fileclose(targetFile);
p_xml_document := XMLType(tempCLOB, p_schema_url, 0, 0);
p_xml_document.schemaValidate();
is taking 30 mins on a HP-UX (4GB ram, 2 CPU) machine (Oracle version : 9.2.0.4).
Please explain what could be going wrong.
Thanks In Advance,
VineetThanks Mark,
I'll open a TAR and also upload the schema and instance XML.
If i'm not changing the track too much :-) one more thing in continuation:
If i skip the Schema Validation step and directly insert the instance document into a Schema linked XMLType table, what does OracleXDB do in such a case?
i'm getting a severe performance hit here too... the same file as above takes almost 40 mins to Insert.
code snippet:
DBMS_LOB.fileopen(targetFile, DBMS_LOB.file_readonly);
DBMS_LOB.loadClobfromFile
tempCLOB,
targetFile,
DBMS_LOB.getLength(targetFile),
dest_offset,
src_offset,
nls_charset_id(CONSTANT_CHARSET),
lang_context,
conv_warning
DBMS_LOB.fileclose(targetFile);
p_xml_document := XMLType(tempCLOB, p_schema_url, 0, 0);
-- p_xml_document.schemaValidate();
insert into INCOMING_XML values(p_xml_document);
Here table INCOMING_XML is :
TABLE of SYS.XMLTYPE(XMLSchema "http://INCOMING_XML.xsd" Element "MatchingResponse") STORAGE Object-
relational TYPE "XDBTYPE_MATCHING_RESPONSE"
This table and type XDBTYPE_MATCHING_RESPONSE were created using the mapping provided in the registered XML Schema.
Thanks,
Vineet -
Has anyone had a problem installing PSE Elements 8.
I have installed PSE Elements 8 from a new boxed CD onto a new Dell running Windows 7 Professional (64 Bit).
PSE has loaded without any warnings and I get to the welcome screen OK. Organiser works fine but if I try and start Edit it just circles around back to the Edit prompt. I have tried getting in via Fix in Organiser which then advises Loading Elements workspace but then drops me back to menu.
I have tried all the Tech Note suggestions but after hours of trying am still no further forward.
I even downloaded and installed the trial version but I this performs in the same way.
All suggestions welcome. ThanksNo luck.
PE Editor does not open with Ctrl/Alt/Shift nothing...zilch
Running PE Editor from this point using Open produces error message. PE Elements has stopped working - Close Program.
Thanks anyway.
Problem has now been escalated to senior tech team within Adobe.
Date: Mon, 1 Mar 2010 02:47:01 -0700
From: [email protected]
To: [email protected]
Subject: Has anyone had a problem installing PSE Elements 8.
The only other suggestion is try re-setting the Editor preferences as this often fixes conflicts. You will also be able to check that this part of the application installed correctly.
Hold down the windows key to the left of Alt and press the letter E to launch Explorer
In the left side pane click on Computer
In the right pane double click on Program Files, then double click Adobe, then double click Photoshop Elements 8.0
Use the right hand scroll bar to move down the list of files and locate Photoshop Elements Editor With one hand holding down all three keys CtrlShiftAlt right click on the Editor file in the list and select open.
You should see a pop up box with the words Delete Adobe Photoshop Elements Settings File?
Click on Yes
Close down Elements and re-open it in the normal way.
Please let us know if that works.
> -
Question for ORACLE EXPERTS!!! PERFORMANCE PROBLEM!!!
I have 2 nodes on RAC. On node1 the following query run in 15 seconds and on node2 the same query run in 40 minutes. This is a big problem because we are migrating a SQL Server database to Oracle RAC 10gR2 (10.2.0.2) on HP-UX Itanium and we can´t finish the project because of this performance problem!!! PLEASE HELP ME ORACLE GURUS !!! I have opened a TAR at Metalink a 3 month ago,but they can´t help me with this. Can anyone explain this event to me please??? " gc cr multi block request 92011 0.33 737.49
This is the query that i run on both nodes and this is the tkprof of the trace file when i run this on second node:
select /*+ NO_PARALLEL(t) */ sum(t.saldo_em_real)
from
brcapdb2.titulo t
call count cpu elapsed disk query current rows
Parse 1 0.00 0.00 0 0 0 0
Execute 1 0.00 0.00 0 0 0 0
Fetch 1 13.76 790.26 0 107219 0 0
total 3 13.76 790.26 0 107219 0 0
Misses in library cache during parse: 1
Optimizer mode: ALL_ROWS
Parsing user id: 31
Elapsed times include waiting on following events:
Event waited on Times Max. Wait Total Waited
---------------------------------------- Waited ---------- ------------
SQL*Net message to client 2 0.00 0.00
SQL*Net message from client 2 0.02 0.02
gc cr multi block request 92011 0.33 737.49
gc current grant busy 1 0.00 0.00
latch: KCL gc element parent latch 4 0.00 0.00
latch: object queue header operation 17 0.00 0.01
latch free 6 0.00 0.00
gc remaster 9 1.94 9.00
gcs drm freeze in enter server mode 19 1.97 30.52
gc current block 2-way 10 0.61 2.72
SQL*Net break/reset to client 1 0.01 0.01
Please help me if you can!!
Tks,
Paulo.Elapsed times include waiting on following events:
Event waited on Times Max. Wait Total Waited
---------------------------------------- Waited ---------- ------------
SQL*Net message to client 2 0.00 0.00
SQL*Net message from client 2 0.02 0.02
gc cr multi block request 92011 0.33 737.49
gc current grant busy 1 0.00 0.00
latch: KCL gc element parent latch 4 0.00 0.00
latch: object queue header operation 17 0.00 0.01
latch free 6 0.00 0.00
gc remaster 9 1.94 9.00
gcs drm freeze in enter server mode 19 1.97 30.52
gc current block 2-way 10 0.61 2.72
SQL*Net break/reset to client 1 0.01 0.01There's lots of global cache traffic going on. All those multiblock transfers seem to be saturating the interconnect. Some things to consider:
- Have a look at metalink note 3951017.8 for a possible fix
- Check that your interconnect is properly configured
- Try running the query with PARALLEL hint. This would mean doing disk I/O instead of buffer & interconnect I/O.
edit: changed "without NOPARALLEL" to "with PARALLEL"
Message was edited by:
antti.koskinen -
Performance Problems with Excel Client
Hello all,
We installed BPC 7.5 SP7 NW on our customeru2019s system and experience massive performance problems on our local clients in combination with Excel and MS Office in general.
u2022When opening u201CMaintain Dimension Membersu201D it takes some time (approx. 2 min) to open the Excel Sheet with the elements. The u201CSave to Serveru201D as well as the u201CProcess Dimensionu201D also takes time to execute. When executing u201CProcess Dimensionu201D the sandbox appears and it takes approx 2 min until the Process popup window appears. The process itself has normal performance.
u2022We also experienced slow performance with the opening or saving dynamic templates dialogue in the Excel Client. It takes some time until this dialogue appears.
In general, we experience slow performance every time BPC is opening a pop up window! We also experience slow performance when opening a (non BPC) MS Office document.
In order to resolve this issue we looked at the following notes and forum entries:
Notes: 1541181, 1531059, 1507575, 1479436, 1448502, 1288810
Forum: BPC NW slow Performance (Expand, Refresh, Saving) - How to enhance it?, [BPC for Excel] Dimension clicked, then Excel hangs
Can anybody give me tipps on how to solve this issue?
Thanks in AdvanceHi,
It will work if in IE, Advanced, Security you uncheck "Check for publisher's certificate revocation "
=======================
http://CSC3-2004-crl.verisign.com/CSC3-2004.crl
http://ocsp.verisign.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ%2FxkCfyHfJr7GQ6M658NRZ4SHo%2FAQUCPVR6Pv%2BPT1kNnxoz1t4qN%2B5xTcCEH6eR%2B%2FPmw5g6qZVJ2HNXK4%3D
http://crl.verisign.com/pca3.crl
=========================
Regards to all,
Laurentiu Bogdan -
Performance problem - XML and Hashtable
Hello!
I have a strange (or not strange, we don't know) performance problem. The situation is simple: our application runs on Oracle IAS, and gets XML messages from an MQ, and we have to process them.
Sample message:
<RequestDeal RequestId="RequestDeal-20090209200010-998493885" CurrentFragment="0" EndFragment="51" Expires="2009-03-7T08:00:10">
<Deal>
<Id>385011</Id>
<ModifyDate>2009-02-09</ModifyDate>
<PastDuesOnly>false</PastDuesOnly>
</Deal>
<Deal>
<Id>385015</Id>
<ModifyDate>2009-02-09</ModifyDate>
<PastDuesOnly>false</PastDuesOnly>
</Deal>
</RequestDeal>(there's an average of 50000-80000 deals in the whole message)
After the application receives the whole message, we'd like to parse it, and put the values into a hashtable for further processing:
Hashtable ht = new Hashtable();
Node eDeals = getElementNode(docReq, "/RequestDeal");
Node eDeal = (Element)(eDeals.getFirstChild());
long start = System.currentTimeMillis();
while (eDeal != null) {
String id = getElementText((Element)eDeal, "Id");
Date modifyDate = getElementDateValue((Element)eDeal, "ModifyDate");
boolean szukitett = getElementBool((Element)eDeal, "PastDuesOnly", false);
ht.put(id, new UgyletStatusz(id, modifyDate, szukitett));
eDeal = eDeal.getNextSibling();
logger.info("Request adatok betöltve.");
long end = System.currentTimeMillis();
logger.info("Hosszu muvelet ideje: " + (end - start) + "ms");The problem is the while statement. On my PC it runs for 15-25 seconds, depends on the number of the deals; but on our customer's server, it runs for 2-5 hours with very high CPU load. The application uses oracle xml parser.
On my PC there are Websphere MQ 5.3 and Oracle 10ias with 1.5 JVM.
On our customers's server there are Websphere MQ 5.3 and Oracle 9ias with 1.4 HotSpot JVM.
Do you have any idea, what can be the cause of the problem?gyulaur wrote:
Hello!
The problem is the while statement. On my PC it runs for 15-25 seconds, depends on the number of the deals; but on our customer's server, it runs for 2-5 hours with very high CPU load. The application uses oracle xml parser.
On my PC there are Websphere MQ 5.3 and Oracle 10ias with 1.5 JVM.
On our customers's server there are Websphere MQ 5.3 and Oracle 9ias with 1.4 HotSpot JVM.
Do you have any idea, what can be the cause of the problem?All sorts of things are possible.
- MQ is configured differently. For instance transactional versus non-transactional.
- The customer uses a network (multiple computers) and you use a box (singlur) and something is using a lot of bandwidth on the network. Could be your process, one of the dependent processes or something else that has nothing to do with your system
- The processing computer is loaded with something else or something is artificially limiting the processing time of your application (there is a app that allows one to limit another app to one CPU.)
- At least one version of 1.4 had a xml bug that consumed massive amounts of memory when processing large xml. Sound familar? If the physical memory is not up to it then it will be thrashing the hard drive as it swaps virtual in and out.
- Of course virtual memory causing swaps would impact it regardless of the cause.
- The database is loaded.
You can of course at least get the same version of java that they are using. Actually that would seem like a rather good idea to me regardless. -
Problems with Premiere Elements
1. My biggest problem with Adobe Premiere Elements 10 is it closes out on me all the time. I have a windows 7 computer. When I open it up it will stay up for about a min. then it pops up Adobe premiere elements has stopped working and shuts down on me.
2. The videos are jerky. When I go to play them they won't play smoothly. They are AVI files.
have the inspiration browser updated, I have installed quick time player, the computer is all updated, the videos are rendered. I don't know what is going on with it. It should be working.It sounds as though these AVI files are not from a digital video camcorder.
What model of camcorder are these videos from and what resolution are they?
If they are from a still camera or smart phone that shoots in MP4/AVIs, they're not going to work in that format in Premiere Elements.
If you see a lot of red lines above your clips when you add them to your timeline, that's a pretty good indication of problems.
Is that the case in your project?
BTW, please don't start a new thread if you're continuing to discuss the same performance problems. It makes it very difficult to follow a discussion because we're not sure what you've already discussed and tried and what the history of your problem is. -
Performance problem when initializing a large array
I am writing an application in C on a SUN T1 machine running Solaris 10. I compiled my application using cc in Sun Studio 11.
In my code I allocate a large array on the heap. I then initialize every element in this array. When the array contains up to about 2 million elements, the performance is as I would expect -- increasing run time due to more elements to process, cache misses, and instructions to execute. However, once the array size is on the order of 4 million or more elements, the run time increases dramatically -- a large jump not in line with the other increases due to more elements, instructions, cache misses, etc.
An interesting aspect is that I experience this problem regardless of element size. The break point in performance happens between 2 and 4 million elements, even if the elements are one byte or 64 bytes.
Could there be a paging issue or other subtle memory allocation issue happening here?
Thanks in advance for any help you can give.
-Johnto save me writing some code to reproduce this odd behaviour do you have a small testcase that shows this?
tim -
[svn] 3216: Fix for MXMLG-228, a visibility problem with graphic elements.
Revision: 3216
Author: [email protected]
Date: 2008-09-15 18:13:11 -0700 (Mon, 15 Sep 2008)
Log Message:
Fix for MXMLG-228, a visibility problem with graphic elements. This is a quick fix that may force extra display objects when toggling visibility. We should investigate alternate solutions if performance is a problem.
Bugs: MXMLG-228
Reviewer: Deepa
QA: Please check for performance problems when toggling visibility of a large number of graphic elements.
Ticket Links:
http://bugs.adobe.com/jira/browse/MXMLG-228
http://bugs.adobe.com/jira/browse/MXMLG-228
Modified Paths:
flex/sdk/trunk/frameworks/projects/flex4/src/flex/graphics/graphicsClasses/GraphicElement .asHello Antonio;
After many, many test I discovered that the problem, at least in my case it is caused by the new ACR 4.5. Please read the Thread that I post under Camera Raw. I include the link below.
I also open two Bug Reports about this, but as usual Adobe (and other Software Companies) will never take responsability for this, until one day they release a new version with "enhancements".
PSE6 Organizer Crash with ACR 4.5 (Vista Only?)
http://www.adobeforums.com/webx/.3bb6a869.59b60d3e
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