Performance Lag for higher resolution

I have developed a touch based flash application with a resolution of 5120x1440.
There is performance lag in two areas.
1) FPS is low (below 33) and Graphic lag is high (sometimes hitting > 80 ms)
2) Touch response is slow (using touchlib)
I'm using a PC of the following specs.
CPU: Intel i7-4770 3.4GHz
RAM: Kingston 8GB
Motherboard: Gigabyte Z87X-OC
GPU: 4x Gigabyte Geforce GT630 2GB
PSU: 1000W
Currently, the GPU Load is hitting at most 20% and the CPU usage is most of time below 50%. If I keep invoking the touch events, the app will ocassionally freeze and GPU Load drops to 0% for a while before coming back to normal and app becomes responsive again.
Is there a hardware compatilbility issue? Is there any way to improve on the touch responsiveness?
Thanks...

If the computer recognized the three monitors as three
monitors, and not one really wide monitor, then you could run three
full screen flash programs at the same time, one on each screen,
also syncing them with localConnection. It could be pretty easy to
sync content if you created a movie clip to hold all your animation
(the movie clip can be 4080 px wide) and then animated everything
so that a very wide clip had the entire animation. Then use a stage
with a width of 1360 and move this clip to x positions 0, -1360,
and -2720, each time saving the movie and publishing. If you have
one that sends localConnection cues to the others, then it should
be able to sync things up.
This is much easier said than done of course, as I dunno what
kind of content you're running, audio, video, etc. Plus, I think
you're dealing with a situation where you have a computer that sees
one big screen and not 3 smaller ones, so the second solution might
not work.
You could try a similar thing and drop all of them in a
Director shell, which will do 4080 pixels wide, and use the same
technique, but that could be a big performance hit, and it adds
another (expensive) pieces of software.

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If the computer recognized the three monitors as three
monitors, and not one really wide monitor, then you could run three
full screen flash programs at the same time, one on each screen,
also syncing them with localConnection. It could be pretty easy to
sync content if you created a movie clip to hold all your animation
(the movie clip can be 4080 px wide) and then animated everything
so that a very wide clip had the entire animation. Then use a stage
with a width of 1360 and move this clip to x positions 0, -1360,
and -2720, each time saving the movie and publishing. If you have
one that sends localConnection cues to the others, then it should
be able to sync things up.
This is much easier said than done of course, as I dunno what
kind of content you're running, audio, video, etc. Plus, I think
you're dealing with a situation where you have a computer that sees
one big screen and not 3 smaller ones, so the second solution might
not work.
You could try a similar thing and drop all of them in a
Director shell, which will do 4080 pixels wide, and use the same
technique, but that could be a big performance hit, and it adds
another (expensive) pieces of software.

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Setup information: Up-to-date Arch x86_64, Nvidia 8800GT with up-to-date closed source drivers, E6750 @ 3.2 GHz, Asus Xonar DX (which I only mention because in the outputs below you'll see "AUDIO: 48000 Hz, 2 ch, s16le, 128.0 kbit/8.33% (ratio: 16000->192000)", and this sound card does support 192kHz audio).
I recently bought a new monitor, which change my setup from one 1280x1024 screen and one 1024x768 screen to one 1920x1200 screen and one 1280x1024 screen, and now when I try to play content fullscreened it lags much more than it did before. I used to be able to watch h.264 encoded 720p content fullscreened on my larger monitor, but now It's slower even in a window than it used to be fullscreen. And fullscreened it's unbearably slow, unless I use -vo gl2 in which case it is slightly less but still glitchy and jumpy. Normally I use -vo xv, and I tried to use -vo xvidix but I wasn't able to get that to work at all. I even went so far as to buy CoreAVC Pro and was able to get that to work with mplayer, but it doesn't make anything better.
Here is my mplayer config file:
[default]
ass=1
embeddedfonts=1
vo=xv
fontconfig=1
sid=0
alang=jpn
Here is my output when I try to use -vo xv (with -vc coreserve):
MPlayer dev-SVN-r27799-4.3.2 (C) 2000-2008 MPlayer Team
CPU: Intel(R) Core(TM)2 Duo CPU E6750 @ 2.66GHz (Family: 6, Model: 15, Stepping: 11)
CPUflags: MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled with runtime CPU detection.
127 audio & 254 video codecs
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.
Playing [m.3.3.w] Chaos Head - 01 (H.264) [462A8A3A].mkv.
[mkv] Track ID 1: video (V_MPEG4/ISO/AVC), -vid 0
[mkv] Track ID 2: audio (A_AAC), -aid 0, -alang und
[mkv] Track ID 3: subtitles (S_TEXT/ASS), -sid 0, -slang und
[mkv] Will play video track 1.
Matroska file format detected.
VIDEO: [avc1] 1280x720 24bpp 23.976 fps 0.0 kbps ( 0.0 kbyte/s)
[ass] auto-open
[ass] Init
==========================================================================
Forced video codec: coreserve
Opening video decoder: [dshowserver] DirectShowServer video codecs
shm:/dshow_shm.5db627b0
sem1:/dshow_sem1.5db627b0
sem2:/dshow_sem2.5db627b0
Opening device
Called unk_IsDebuggerPresent
len: 992
ProductVersion: 1.7.0
Decoder supports the following YUV formats: YUY2 UYVY YV12 I420
Decoder is capable of YUV output (flags 0x2b)
Setting fmt
Starting
Initialization is complete
VDec: vo config request - 1280 x 720 (preferred colorspace: Packed YUY2)
[PP] Using codec's postprocessing, max q = 4.
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.78:1 - prescaling to correct movie aspect.
VO: [xv] 1280x720 => 1280x720 Planar YV12
Found DirectShow filterSelected video codec: [coreserve] vfm: dshowserver (CoreAVC DShow H264 decoder 1.3 for x86 - http://corecodec.org/)
==========================================================================
==========================================================================
Opening audio decoder: [faad] AAC (MPEG2/4 Advanced Audio Coding)
FAAD: compressed input bitrate missing, assuming 128kbit/s!
AUDIO: 48000 Hz, 2 ch, s16le, 128.0 kbit/8.33% (ratio: 16000->192000)
Selected audio codec: [faad] afm: faad (FAAD AAC (MPEG-2/MPEG-4 Audio) decoder)
==========================================================================
[AO OSS] audio_setup: Can't open audio device /dev/dsp: No such file or directory
AO: [alsa] 48000Hz 2ch s16le (2 bytes per sample)
Starting playback...
pts value <= previous: -0.292 ct: 0.000 0/ 0 ??% ??% ??,?% 0 0
************ 17.3 A-V: 0.001 ct: -0.021 0/ 0 14% 3% 0.5% 1 0
framecount=415
Destroying filter
Exiting... (Quit)
And here is the output with -vo gl2 (also with -vc coreserve):
MPlayer dev-SVN-r27799-4.3.2 (C) 2000-2008 MPlayer Team
CPU: Intel(R) Core(TM)2 Duo CPU E6750 @ 2.66GHz (Family: 6, Model: 15, Stepping: 11)
CPUflags: MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled with runtime CPU detection.
127 audio & 254 video codecs
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.
Playing [m.3.3.w] Chaos Head - 01 (H.264) [462A8A3A].mkv.
[mkv] Track ID 1: video (V_MPEG4/ISO/AVC), -vid 0
[mkv] Track ID 2: audio (A_AAC), -aid 0, -alang und
[mkv] Track ID 3: subtitles (S_TEXT/ASS), -sid 0, -slang und
[mkv] Will play video track 1.
Matroska file format detected.
VIDEO: [avc1] 1280x720 24bpp 23.976 fps 0.0 kbps ( 0.0 kbyte/s)
Opening video filter: [scale]
[ass] auto-open
[ass] Init
==========================================================================
Forced video codec: coreserve
Opening video decoder: [dshowserver] DirectShowServer video codecs
shm:/dshow_shm.9a6337b0
sem1:/dshow_sem1.9a6337b0
sem2:/dshow_sem2.9a6337b0
Opening device
Called unk_IsDebuggerPresent
len: 992
ProductVersion: 1.7.0
Decoder supports the following YUV formats: YUY2 UYVY YV12 I420
Decoder is capable of YUV output (flags 0x2b)
Setting fmt
Starting
Initialization is complete
VDec: vo config request - 1280 x 720 (preferred colorspace: Packed YUY2)
[PP] Using codec's postprocessing, max q = 4.
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.78:1 - prescaling to correct movie aspect.
[swscaler @ 0x3269c70]using unscaled yuv420p -> bgr24 special converter
VO: [gl2] 1280x720 => 1280x720 BGR 24-bit
[gl2] You have OpenGL >= 1.2 capable drivers, GOOD (16bpp and BGR is ok!)
[gl2] antialiasing off
[gl2] bilinear linear
Found DirectShow filterSelected video codec: [coreserve] vfm: dshowserver (CoreAVC DShow H264 decoder 1.3 for x86 - http://corecodec.org/)
==========================================================================
==========================================================================
Opening audio decoder: [faad] AAC (MPEG2/4 Advanced Audio Coding)
FAAD: compressed input bitrate missing, assuming 128kbit/s!
AUDIO: 48000 Hz, 2 ch, s16le, 128.0 kbit/8.33% (ratio: 16000->192000)
Selected audio codec: [faad] afm: faad (FAAD AAC (MPEG-2/MPEG-4 Audio) decoder)
==========================================================================
[AO OSS] audio_setup: Can't open audio device /dev/dsp: No such file or directory
AO: [alsa] 48000Hz 2ch s16le (2 bytes per sample)
Starting playback...
pts value <= previous: -0.265 ct: 0.000 0/ 0 ??% ??% ??,?% 0 0
************ 14.2 A-V: 0.001 ct: 0.005 0/ 0 7% 69% 0.4% 6 0
framecount=342
Destroying filter
Exiting... (Quit)
Note that the second one lags less and doesn't seem to vary depending on whether I have it fullscreened or not, whereas the former looks about the same in a window as -vo gl2 but fullscreened skips significantly more.
If necessary I can post more verbose output non-CoreAVC decodes, but I do not think that is the problem as it only skips more when I don't use -vc coreserve.
I have also tried viewing the file with VLC, which does not fare any better.
I can't help but think I should be able to fix this problem by modifying the configuration, as it used to work much better at the lower resolution, and when I'm in windows playing this with CCCP and MPC-HC it doesn't skip at all, fullscreened or otherwise. Does anyone see anything that could possibly be the problem?

I just rebooted into linux, updated everything, configured the framebuffer and rebooted. I had it in 1920x1200x32 with vesa, and when I tried to play the same video with mplayer in the framebuffer two noticeable things happened: 1) the video only took up the upper left corner and I could not maximze it to the full screen size, and 2) it still lagged.
I backed up my xorg.conf and reran nvidia-xconfig, which seems to have changed nothing... it still lags no matter what vo I use. Here is my xorg.conf:
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 1.0 (buildmeister@builder58) Wed Oct 1 15:12:53 PDT 2008
# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings: version 1.0 (buildmeister@builder58) Wed Oct 1 15:13:37 PDT 2008
Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
EndSection
Section "Files"
RgbPath "/usr/lib/X11/rgb"
EndSection
Section "Module"
Load "dbe"
Load "extmod"
Load "type1"
Load "freetype"
Load "glx"
Load "fbdevhw"
Load "record"
EndSection
Section "ServerFlags"
Option "Xinerama" "0"
EndSection
Section "InputDevice"
# generated from default
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/psaux"
Option "Emulate3Buttons" "no"
Option "ZAxisMapping" "4 5"
EndSection
Section "InputDevice"
# generated from default
Identifier "Keyboard0"
Driver "kbd"
EndSection
Section "Monitor"
# HorizSync source: edid, VertRefresh source: edid
Identifier "Monitor0"
VendorName "Unknown"
ModelName "LEN L220xwC"
HorizSync 30.0 - 75.0
VertRefresh 50.0 - 75.0
Option "DPMS"
EndSection
Section "Device"
Identifier "Videocard0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 8800"
Option "AddARGBGLXVisuals" "True"
Option "RenderAccel" "True"
Option "DamageEvents" "True"
Option "TripleBuffer" "True"
Option "InitialPixmapPlacement" "2"
Option "GlyphCache" "1"
EndSection
Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 8800 GT"
EndSection
Section "Screen"
# Removed Option "metamodes" "CRT: 1024x768 +1280+0, DFP: 1280x1024 +0+0; CRT: 800x600 +0+0, DFP: NULL; CRT: 640x480 +0+0, DFP: NULL"
# Removed Option "metamodes" "CRT: 1024x768_75 +1280+0, DFP: 1280x1024 +0+0; CRT: 800x600 +0+0, DFP: NULL; CRT: 640x480 +0+0, DFP: NULL"
# Removed Option "metamodes" "CRT: 1024x768_60 +1280+0, DFP: 1280x1024 +0+0; CRT: NULL +0+0, DFP: 1280x1024"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
Option "RenderAccel" "True"
Option "AddARGBGLXVisuals" "True"
Option "TwinView" "1"
Option "TwinViewXineramaInfoOrder" "DFP-0"
Option "metamodes" "DFP-0: 1920x1200 +0+0, DFP-1: 1280x1024 +1920+0; DFP-0: 1280x1024 +0+0, DFP-1: NULL"
SubSection "Display"
Depth 24
EndSubSection
EndSection
Section "Extensions"
Option "Composite" "Enable"
EndSection
This seems to have just changed my previous configuration. I'm going to try mucking around with it a bit to see if it gets any better.
EDIT: I just tried switching from twinview to xinerama with nvidia-settings (just a GUI xorg.conf configurator that comes with nvidia drivers) and now things play FINE when I use -vo gl2. However, compositing no longer works, and things look all-around cruddier. So I think the problem here is twinview... That makes me pessimistic about ever seeing improvement...
EDIT2: I think I just solved the problem. All I did was enable "Sync to VBlank" in the nvidia-settings configuration menus "X ServerXVideo Settings" and "OpenGL Settings". Now when I run with compiz DISABLED, things work fine. If compiz is running, however, it runs as cruddily as before, with all the tearing. This is not a huge issue however, as I am fine with disabling compiz whenever I want to watch HD content. I believe the key point here was that I needed OpenGL to sync to vblank, and XGL does not have this option (as far as I am aware), so it will not work as well when I am using compiz.
Last edited by plus_M (2008-10-23 02:17:20)

QuickTime SDK for Windows ICMCompressionSessionEncodeFrame crashes for higher resolution cameras 2 MP

I implemented a while ago a H.264 re-encoding to output H.264 QuickTime .mov file usng QuickTime Window SDK 7.3.0.70. The code uses ICMCompressionSession to compress the frames going into the container. The code works fine with cameras with resolutions up to 2 Megapixels (1600 x 1200). The crash occurs in QuickTime API call. Here is the code to compress the frame:
CVPixelBufferRef pixel_buffer = nil;
int nWidth = (**pixMap).bounds.right - (**pixMap).bounds.left;
int nHeight = (**pixMap).bounds.bottom - (**pixMap).bounds.top;
CVReturn ret =
CVPixelBufferCreateWithBytes(kCFAllocatorDefault,
                             nWidth,
                             nHeight,
                             k24RGBPixelFormat,
                             GetPixBaseAddr(pixMap),
                             3 * nWidth,
                             NULL,
                             NULL,
                             NULL,
                             &pixel_buffer);
//.....code ommitted for clarity
// set image data into the pixel buffer
CVPixelBufferLockBaseAddress( pixel_buffer, 0 );
// Feed the frame to the compression session.
m_OSerr = ICMCompressionSessionEncodeFrame( compressionSession, pixel_buffer,
        displayTimeMsecs, displayDurationMsecs, validTimeFlags,
        frameOptions, NULL, NULL );
//unlock the pixels
CVPixelBufferUnlockBaseAddress( pixel_buffer, 0 );
CVPixelBufferRelease(pixel_buffer);
The call to ICMCompressionSessionEncodeFrame fails either with
1. Error code -108
memFullErr = -108, /*Not enough room in heap zone*/
OR
2. An access violation QuickTimeH264.qtx!6782522d()
[Frames below may be incorrect and/or missing, no symbols loaded for QuickTimeH264.qtx]
QuickTimeH264.qtx!6782529a()
QuickTimeH264.qtx!676c7a13()
QuickTimeH264.qtx!6777467b()
QuickTimeH264.qtx!676ac709()
QuickTimeH264.qtx!6777abbe()
QuickTimeH264.qtx!6777ac1a()
QuickTimeH264.qtx!67698aa1()
kernel32.dll!@BaseThreadInitThunk@12() + 0x12 bytes
ntdll.dll!___RtlUserThreadStart@8() + 0x27 bytes
ntdll.dll!__RtlUserThreadStart@8() + 0x1b bytes
Has anyone encountered the same problem and if so what was the resolution?

i suspect its a weak psu ,can you run any thing stresses the vga card under linux

Workflow Agent Listener Service - Performance tuning for high volume

We have AR and Collection which initiate thousands of workflows. We also have various other workflows that run parallell activities. We have workflow backgrond engine schedule as Y,N,N for each of the item types.
It takes many hours for the workflows to progress. In some cases the background engine stays running on the current manager for hours when it reaches flow steps that take longer. It looks like the Workflow Agent Listener Service processes a single flow at one time which is killing us when longer running processes are running. We run 1 Workflow Agent Listener Service with 30 threads assuming it would pick up and process 30 items. It is very hard to tell if we have improvement.
Does anyone have any information on the following-
1) is it better to have more than 1 Workflow Agent Listener Service or is 1 sufficient?
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Please mention the details of the application release, database version and OS.
Can you find any errors in the workflow/database log files?
Any locks in the database?
Please see these doc.
Troubleshooting WF_DEFERRED Agent Listeners Performance [ID 468650.1]
Autoadjustment Business Events Blocking Wf_deferred Queue [ID 1120818.1]
Performance Caused By Lock On WF_EVENT.LISTEN [ID 579471.1]
Thanks,
Hussein

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I apologize if that got confusing at any point I feel like I repeated myself
Message was edited by: Book1245

HI -
On the copy sequence you made, click on the timeline and type Command + A to select all your clips.
Then control click on any one of the selected clips and from the drop down menu, select Remove Attributes. From the Remove Attributes window that opens select Basic Motion and Distort (if it is bold and clickable), then click OK.
Your clips should now resize themselves to the correct size, if you have set the sequence settings correctly.
Hope this helps.
MtD
Message was edited by: Meg The Dog to fix typo

I want to buy high resolution mu

I made a search on this before posting but didn't find what I was looking for. I bought the Audigy 4 a while back and really enjoy the performance and quality. When I bought this sound card it came with a DVD 24 bit music sampler. I've been shopping on the web and in?stores for high resolution music (24 bit, or "aiff" format)?and can't believe I have found none. Is it me?not looking at the right place or is this not available on the market yet?thanks?

The only "hi def" music you'll find will be super audio CD's and DVD audio "CD's". I doubt you will find anything in an uncompressed format online as that would take up way too much storage space and bandwidth.
SACD's are "better" because they offer an enormously high sample rate. 2.xxx MHz, I can't remember the exact rate. It also has a bit rate of only . DVD "CD's" (which aren't CD's at all) can hold more data, so the songs can be recorded in a much higher sample rate over conventional CD's. You won't, however, be able to play them on normal CD players, and it would be impracticable to rip them to your computer.

Hp2311x higher resolution with Acer Aspire TC-105

Hello
I have a new Acer Aspire TC-105 purchased, now do the following problem that my screen resolution can not be higher than 1366 x 768. In my previous PC had to choose. No problem for higher resolution
I have the latest drivers geeinstalleerd, I get the message C: \ Monitors \ HP_2311_3.0 \ HPX64DRIVE.EXE access denied
I press ok
He just goes to the HP installer I press following normal message, click finish then nothing happens with my display adapters. The only thing I see is the Compaq W185q Wide LCD Monitor that's not him, and I can not select him for another montitor the HP2311x
Higher resolution will be nice.
What am I doing wrong
Goos Mante

Since you are reverting the patch, you need to indicate that the patch should be reversed on the command line. So if you saved the patch from git as constrain-cursor-harder.patch, for instance, you would need to modify the PKGBUILD so that:
constrain-cursor-harder.patch is in the source array
The patch's md5sum is in the md5sums array
The patch command line specifies that it's a reverse patch (the -R is important):
patch -RNp1 -i "${srcdir}/constrain-cursor-harder.patch"
Unfortunately, the patch from git no longer reverses cleanly against xorg-server 1.11.4.
I've made an updated version of the patch that should apply cleanly, without a need to be reversed, here: http://moe.isisview.org/patches/xorg-se … rder.patch

Performance Lag for higher resolution

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