Slow Performance of JApplet with Firefox Plugin in Linux

Hi everyone,
I recently revisited an applet I wrote 8 years ago. It's a simple ticker tape. I need a ticker tape for a larger project I am working on, and I had to convert it from AWT to Swing.
Anyway, with the new 1.6.0_xx plugin for Firefox 2.0.0.5 under Fedora 7, the performance is slow and the text scrolls by in a choppy manner. However, if I run the mouse over the JApplet area or the Java console itself while it is running, the text scrolls by smoothly. This does not happen with the 1.5.0_xx series plugin, and although the JApplet was compiled with the 1.4.2_15 compiler, I cannot find a plugin from that series that works with Firefox 2.0.0.x to test if the problem is there as well.
So, can anyone help me out? Is this a known issue with the newest plugin? I don't think there's an error in the code. Both the embedded applet and source code can be found at this URL: http://www.brian-borowski.com/Ticker/
Thanks in advance for your help.
-Brian

I tried to do a simular thing, but I did not notice a performance decrease. However it might be possible that this happens. For example, if you are calling a time critical vi in the second while loop, it will lock all other processes until it is finished. Or maybe you are calling a shared resource (allocate an array, access to a file, using a mutex) that the other loop holds. Until the shared resource is released the first while loop must wait before it can access that resource (memory, file, etc.).
Without looking at the source code it will be hard to say what is causing it. I recommend to remove part by part subVI's from the second loop, to debug where the problem exists. If you want I can have a look at the code, please reply to this thread.
ErikvH
A
pplications Engineering
National Instruments
Attachments:
Digital_Output.vi ‏56 KB

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   OpenEXR 13.0
   Paint Daubs 13.0
   Palette Knife 13.0
   Patchwork 13.0
   Paths to Illustrator 13.0
   PCX 13.1.2 (13.1.2 20130105.r.224 2013/01/05:23:00:00)
   Photocopy 13.0
   Photoshop 3D Engine 13.1.2 (13.1.2 20130105.r.224 2013/01/05:23:00:00)
   Picture Package Filter 13.1.2 (13.1.2 20130105.r.224 2013/01/05:23:00:00)
   Pinch 13.0
   Pixar 13.1.2 (13.1.2 20130105.r.224 2013/01/05:23:00:00)
   Plaster 13.0
   Plastic Wrap 13.0
   PNG 13.0
   Pointillize 13.0
   Polar Coordinates 13.0
   Portable Bit Map 13.1.2 (13.1.2 20130105.r.224 2013/01/05:23:00:00)
   Poster Edges 13.0
   Radial Blur 13.0
   Radiance 13.1.2 (13.1.2 20130105.r.224 2013/01/05:23:00:00)
   Range 13.1.2 (13.1.2 20130105.r.224 2013/01/05:23:00:00)
   Read Watermark 4.0
   Reticulation 13.0
   Ripple 13.0
   Rough Pastels 13.0
   Save for Web 13.0
   ScriptingSupport 13.1.2
   Shear 13.0
   Skewness 13.1.2 (13.1.2 20130105.r.224 2013/01/05:23:00:00)
   Smart Blur 13.0
   Smudge Stick 13.0
   Solarize 13.1.2 (13.1.2 20130105.r.224 2013/01/05:23:00:00)
   Spatter 13.0
   Spherize 13.0
   Sponge 13.0
   Sprayed Strokes 13.0
   Stained Glass 13.0
   Stamp 13.0
   Standard Deviation 13.1.2 (13.1.2 20130105.r.224 2013/01/05:23:00:00)
   STL 13.1.2 (13.1.2 20130105.r.224 2013/01/05:23:00:00)
   Sumi-e 13.0
   Summation 13.1.2 (13.1.2 20130105.r.224 2013/01/05:23:00:00)
   Targa 13.0
   Texturizer 13.0
   Tiles 13.0
   Torn Edges 13.0
   Twirl 13.0
   Underpainting 13.0
   Vanishing Point 13.0
   Variance 13.1.2 (13.1.2 20130105.r.224 2013/01/05:23:00:00)
   Variations 13.1.2 (13.1.2 20130105.r.224 2013/01/05:23:00:00)
   Water Paper 13.0
   Watercolor 13.0
   Wave 13.0
   Wavefront|OBJ 13.1.2 (13.1.2 20130105.r.224 2013/01/05:23:00:00)
   WIA Support 13.1.2 (13.1.2 20130105.r.224 2013/01/05:23:00:00)
   Wind 13.0
   Wireless Bitmap 13.1.2 (13.1.2 20130105.r.224 2013/01/05:23:00:00)
   ZigZag 13.0
Optional and third party plug-ins:
   DAZ Studio 3D Bridge 12.0
   DazUpdateScene 12.0
Plug-ins that failed to load: NONE
Flash:
   Mini Bridge
   Kuler
Installed TWAIN devices: NONE

Great news!
I followed your suggestion, Noel, and uninstalled my drivers with the Catalyst Uninstall Utility (which I hadn't used before), rebooted, reinstalled Catalyst 13.2 Beta 7, rebooted, deleted the PS Prefs, started PS, and now the performance is radically improved!
It baffles me why I would need to do a clean driver uninstall in a new system environment that has only ever had this video card, and is only a few months old, but that action seems to be what's improved the situation. Note that because I deleted the PS preferences, the good performance now occurs with the default Use Graphics Processor enabled, and Drawing Mode set to Advanced (with every feature in the Advanced dialog checked except 30bit display).
Having no reference point, I can't tell for sure if performance is as good as it theoretically ought to be for my system specs, but using the standard 13px brush is only slightly laggy behind the cursor, even if I become reckless and squiggle on the canvas violently. It wasn't just sluggish response before: Photoshop seemed to be in pain trying to draw the line segments as it laboured to catch up to the cursor. That is pretty much gone now.
Much more tellingly, zooming and panning the canvas is like it ought to be, responsive and clean, more or less like it was for me in CS4 with my old Nvidia 9600GT. The poor performance with zooming and panning was the most worrying aspect of the issue. It's a great relief to see these working more properly now.
I have to confess I'm a little embarrassed to have drug you through all this hassle only to discover that something as rudimentary as properly cleaning out the drivers would be the apparent solution. I never would have imagined that doing that, with such a new and stable system, would make any difference, since I don't have a legacy of older drivers dotting my hard drive. In any event, I'm really grateful that you guys took the time to try to help me.
In the interest of completeness, here's the relevant portion of my system info after doing the reinstall steps I mentioned above:
Adobe Photoshop Version: 13.1.2 (13.1.2 20130105.r.224 2013/01/05:23:00:00) x64
Operating System: Windows 8 64-bit
Version: 6.2
System architecture: Intel CPU Family:6, Model:14, Stepping:5 with MMX, SSE Integer, SSE FP, SSE2, SSE3, SSE4.1, SSE4.2
Physical processor count: 4
Processor speed: 2665 MHz
Built-in memory: 16379 MB
Free memory: 13680 MB
Memory available to Photoshop: 14695 MB
Memory used by Photoshop: 60 %
Image tile size: 1024K
Image cache levels: 4
OpenGL Drawing: Enabled.
OpenGL Drawing Mode: Advanced
OpenGL Allow Normal Mode: True.
OpenGL Allow Advanced Mode: True.
OpenGL Allow Old GPUs: Not Detected.
OpenCL Version: 3.0
OpenGL Version: 3.0
Video Rect Texture Size: 16384
OpenGL Memory: 2048 MB
Video Card Vendor: ATI Technologies Inc.
Video Card Renderer: AMD Radeon HD 7800 Series
Display: 1
Display Bounds: top=0, left=0, bottom=1080, right=1920
Video Card Number: 2
Video Card: AMD Radeon HD 7800 Series
Driver Version:
Driver Date:
Video Card Driver: aticfx64.dll,aticfx64.dll,aticfx64.dll,aticfx32,aticfx32,aticfx32,atiumd64.dll,atidxx64.d ll,atidxx64.dll,atiumdag,atidxx32,atidxx32,atiumdva,atiumd6a.cap,atitmm64.dll
Video Mode: 1920 x 1080 x 4294967296 colors
Video Card Caption: AMD Radeon HD 7800 Series
Video Card Memory: 2048 MB
Video Card Number: 1
Video Card: Microsoft Basic Render Driver
Driver Version: 12.100.17.0
Driver Date: 20130226000000.000000-000
Video Card Driver:
Video Mode:
Video Card Caption: Microsoft Basic Render Driver
Video Card Memory: 0 MB
As you can see, the Microsoft Basic Render Driver still appears as a Video Card in the list. This presumably has something to do with Windows 8, and I really don't know if its presence here is still a sign that my card is not being used to its optimal capability. I have a hunch that the slight lag that I am still experiencing with the brush when Use Graphics Processor is on -- totally absent with the acceleration turned off -- implies that Photoshop is still unable to take maximum advantage of my card. I would assume that the brush tool should be more responsive with acceleration on than off, in a rig without any issues, but that's just assumption on my part. If you turn off Use Graphics Processor on your systems, is the brush tool more or less responsive?
But again, panning the canvas with the hand tool is now extremely responsive, without any screen tearing or visible lag, and that's a massive improvement over the total meltdown of performance I was suffering from before.
Thanks again very much for your help. I'm grateful to all of you who took the time to chime in.

Firefox crash with Shockwave plugin

I recently switched to Firefox since am having much troubles with G Chrome, The problem is that when my Shockwave Plug in is enabled, Firefox Freezes when it's loading a page, untill i disabled Shockwave and it doesn't freeze anymore but i can't do anything that needs Shockwave to run since it's disabled, i have tried restoring and everything, can someone help me please?

Recent crashes of certain multimedia contents (this includes Youtube videos, certain flash games and other applications) in conjunction with Firefox are most probably caused by a recent Flash update and/or a malfunctioning browser plugin such as Real Player.
In order to remedy the problem, please perform the steps mentioned in these Knowledge Base articles:
* [[Flash Plugin - Keep it up to date and troubleshoot problems]]
* [[Flash 11.3 crashes]]
* [[Flash 11.3 doesn't load video in Firefox]]
Other, more technical information about these issues can be found under these Links:
* http://forums.adobe.com/thread/1018071?tstart=0
* http://blogs.adobe.com/asset/2012/06/inside-flash-player-protected-mode-for-firefox.html
Please tell us if this helped!

I had Firefix, however I downloaded the newest Firefox along with all plugins. Now when I click in the desktop icon firefox refuses to open my default webpage. Why?

I run Windows 7. I downloaded Firefox 6.0 for Windows which resulted in the following which I cannot fix:
"I had Firefix, however I downloaded the newest Firefox along with all plugins. Now when I click in the desktop icon firefox refuses to open my default webpage. Why?....How do I fix this"
I can go to internet explorer or AOL and it opens right up to my homepage but not when I click on Firefox.

That problem can be caused by the Yahoo! Toolbar that extents too much downwards and covers the top part of the browser window and thus makes links in that part of the screen not clickable.
*https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes
Start Firefox in <u>[[Safe Mode]]</u> to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).
*Don't make any changes on the Safe mode start window.
*https://support.mozilla.com/kb/Safe+Mode

Why is my computer now slower, with Firefox 4, then it was with previous version? It stops and crashes constantly. How can I go back to the previous version?

When I am on Facebook or playing a game, it will freeze and I have to hit control alt delete, to get any response. Within a couple more seconds the same problem occurs. I did not have this problem with the previous version.

I tried so hard with FF4 but no deal. It was considerably MUCH slower than 3.6. Every page just had a 2~3 second wait before it loaded up. This was tested on a brand new Windows 7 64-bit install machine too.
Flash ran much more cpu intensive as well. I played many flash based games in 3.6 and my cpu usage was never always as it was with FF4 in the 90%-100% range.
I had to get rid of it due to the slowness and the lack of older plugin support: ANYCOLOR which I must run and cannot stand the light colored menu pop ups. Also the buttons in FF4 are worse than 3.6. You can't see them when you have a persona applied.
Staying with 3.6 until 4 speeds up or will give 4.1 a try.

Slow Performance of JApplet with Firefox Plugin in Linux

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