Increasing Write Speeds while saving files?...

While i love Photoshop, its performance can be a huge concern. Lately, i upgraded my workstation from a 4 year old desktop and went all out...
Here are the specs of the new system.
2 x X5670 (12 Nehalem 2.93Ghz cores)
48GB of ECC RAM
3 x 50GB (raid 0 on LSI 5150 sata 3 raid card) Sandforce SSD drives that give me sequential read/write speeds of approx 800MBps.
My issue is that i hate the way photoshop writes data while saving PSD files. I cant seem to see photoshop write to disk at speeds greater than 12-15 MBps. This has become the slowest link in the entire photoshop work flow and is slowing me down considerably.
The other option i was trying to investigate is to edit loads of files and then do an equivalent of a bulk save but i cant find a trick to do that.
thoughts?

thanks Noel for the speedy response. I will admit that i oversimplified my setup but here is the full info for my setup...
I gave the save as tiff a go but DID see a dramatic increase!!
C Drive:
T Drive: 40GB Fusion i/o PCI card. Photoshop uses this as the scratch disk (under preferences --> general --> performance).
P.S: my systems temp variables (user and env) etc are all redirected to this drive.
I have a D Drive (Raid 5 across 6 x 2TB drives that i use purely for storage)
Here is what all i am doing...
Open a raw nef file,
Use define to reduce noise (automatic profile)
Use Viveza to adjust brightness/contrast/structure/warmth
save the file
These are some timings...
Loading photoshop --> 4.5 sec
Opening a D7000 16MPix raw image --> 8.5 sec (file opens in camera raw and then i click open to open in photoshop)
Times to save processed files...
PSD: 28.5 seconds!!!!
Tiff: 2.5 seconds!!! yes 2.5 seconds (you barely see it save!!)
You are the man...
i would assume that i have the CPU and RAM horsepower to have photoshop do a good job at the compression while saving but the diffrence is huge!!!
now please tell me what do i lose (if anything) in moving to the Tiff format (preserving all layers)

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CAD Integration - Error While Saving file

Hi,
Im having One Document type "DRW" which was working fine with all the functionalities.
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RFC_SYS_EXCEPTION
SAP RFC error
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SAP RFC error
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RFC_SYS_EXCEPTION
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Regards,
MRK.

Hi MRK,
Check the Status in DC10.
Also make sure you have configured in dc30
If possible send me the config file (.cfg)* to [email protected]
I ll check n revert back...
Have you done any settings based on document type in CFG file?
Niranjan
Award points if useful...
Edited by: Niranjan Dandekar on Mar 7, 2008 1:42 PM

How to retain file name while saving file on archive servers

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Hi Max,
In case when downloading one file it is fine. But if I want to download 10 files at once and later if I go to my downloads, every file will be having similar name. Unless we open the file, we cannot know what file it is.
Regards,
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How to increase the speed of network file transfer

hi ,
In my application i want to use the file from one system to another system.
i am using stream reader to get the file over the network , its working fine for small file,
but i want to access file size exceed 10 MB then i faced the problem. Its get very slow the file transfer over the network.
so i am try to use java NIO for transfer file,
Using NIO , While i am make server and client both are same system then the file tranfer is 10MB file in 10 seconds , but i am making server and client are different machine then its take so long to transfer file ie (10 MB file in 3 minutes).
I want to reduce the time . If any chance to reduced the file transfer time then please suggest me.
my code is
Server Code :
public class NioServer implements Runnable {
// The host:port combination to listen on
private InetAddress hostAddress;
private int port;
// The channel on which we'll accept connections
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// The selector we'll be monitoring
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// The buffer into which we'll read data when it's available
private ByteBuffer readBuffer = ByteBuffer.allocate(10000);
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private Map pendingData = new HashMap();
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public void send(SocketChannel socket, byte[] data) {
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public void run() {
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private void accept(SelectionKey key) throws IOException {
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private void read(SelectionKey key) throws IOException {
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public static void main(String[] args) {
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      new Thread(new NioServer(null, 9090, worker)).start();
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}Client Code :
public class NioClient implements Runnable {
// The host:port combination to connect to
private InetAddress hostAddress;
private int port;
// The selector we'll be monitoring
private Selector selector;
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private ByteBuffer readBuffer = ByteBuffer.allocate( 10596 ) ;
// A list of PendingChange instances
private List pendingChanges = new LinkedList();
// Maps a SocketChannel to a list of ByteBuffer instances
private Map pendingData = new HashMap();
private byte[] bufferByteA = null ;
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private Map rspHandlers = Collections.synchronizedMap(new HashMap());
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    System.out.println( "---------read 1 " ) ;
    SocketChannel socketChannel = (SocketChannel) key.channel();
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    this.readBuffer.clear();
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//    int numRead;
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      readFully( readBuffer , socketChannel ) ;
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//    if (numRead == -1) {
//      // Remote entity shut the socket down cleanly. Do the
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//      key.channel().close();
//      key.cancel();
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private void handleResponse(SocketChannel socketChannel, byte[] data, int numRead) throws IOException {
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    RspHandler handler = (RspHandler) this.rspHandlers.get(socketChannel);
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    if (handler.handleResponse(rspData)) {
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      socketChannel.keyFor(this.selector).cancel();
private void write(SelectionKey key) throws IOException {
    SocketChannel socketChannel = (SocketChannel) key.channel();
    readBuffer.flip() ;
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    synchronized (this.pendingData) {
      queue = (List) this.pendingData.get(socketChannel);
      writeFully( readBuffer , socketChannel ) ;
      // Write until there's not more data ...
      while (!queue.isEmpty()) {
//        ByteBuffer buf = (ByteBuffer) queue.get(0);
//        socketChannel.write(buf);
//        writeFully( buf , socketChannel ) ;
//        if (buf.remaining() > 0) {
//          // ... or the socket's buffer fills up
//          break;
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      if (queue.isEmpty()) {
        // We wrote away all data, so we're no longer interested
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        key.interestOps(SelectionKey.OP_READ);
private void finishConnection(SelectionKey key) throws IOException {
    SocketChannel socketChannel = (SocketChannel) key.channel();
    // Finish the connection. If the connection operation failed
    // this will raise an IOException.
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      socketChannel.finishConnect();
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      System.out.println(e);
      key.cancel();
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    // Create a non-blocking socket channel
    SocketChannel socketChannel = SocketChannel.open();
    socketChannel.configureBlocking(false);
    // Kick off connection establishment
    socketChannel.connect(new InetSocketAddress(this.hostAddress, this.port));
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    bufferByteA = getBytesFromFile( file ) ;
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    send(bufferByteA , handler);
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    System.out.println( "readFully : " ) ;
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    int count = 0 ;
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private static byte[] getBytesFromFile(File file) throws IOException
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    long length = file.length();
         * You cannot create an array using a long type. It needs to be an int
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    Date date = new Date( l ) ;
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Data transfer rate for a single client is unlikely to be effected by using NIO or old blocking IO. The important factor is the maximum transfer rate you can get between the sender and receiver.
You should be able to get 0.5-1.0 MB per second for each 10 Mbit per second of available bandwidth. Your timings suggest you are getting about a 10-20 Mbit/s link speed.

Maximum write speed to log file, trying to get a log entry every 100ms.

I have a DAQmx application which data I want ot log. The aquistion is ran at a high speed, 1 KHz. I want to log the measurements to a text file which can read in Matlab or excel. I a wondering what the best approach is for this and what is the maximum speed.
I have created a program below to test. But it seems that the log is not consistent at 10 Hz alread. The log interval is set to 100 ms while the loop is running at 10 ms. If I look at the time between the sampes 6 of them are higher than the 100ms. The time between some steps is 700ms which is quite high. Is this implementation wrong or is this just due to the undeterminstic computer?

LennartM wrote:
But the program does not stop...It seems it is waiting on another notification to stop or something?
That is a very likely scenario. The simple solution here is to destroy the notifier after the top loop completes and make your bottom loop stop when there is an error from the Notifier (when it was destroyed). That would eliminate the need for the local variable and would ensure that both of your loops stopped.
There are only two ways to tell somebody thanks: Kudos and Marked Solutions
Unofficial Forum Rules and Guidelines

How to increase write speed using queues

Hi,
I am using a vi to read in two sets of data over a serial port. I then write the data to a spreadsheet. I do this by sending the data to a queue when I depress a record data button on the vi. The queue then writes the data to a file in another loop. I based this off of a producer consumer architecture. The setup works great but I have noticed that when record data for long periods of time (2 minutes or more) it takes an extremely long time after I have stopped recording data for the information to be written to a file. Is there anyway to improve my write to file speed? Thanks for all of your help and I am attatching my VI.
Solved!
Go to Solution.
Attachments:
Read_Write_Transmit_Record_IMU_V_4.vi ‏89 KB

Yes. you could definitely accumulate the data in a 2-D array in the producer.
What I would do, since now you are adding more requirements to the code, would be to turn to add an enum along with the data you send through the queue to the consumer loop. The enum would be commands such as Open File, close file, log data, write to file, exit loop. Attached is an example of one I wrote that I encapsulated in a subVI that runs parallel to other code.
Attachments:
CTA Data Logger text.vi ‏55 KB

Increased Fan Speed While Playing Halo 3

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With Regards
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Yes, high fan speed should be expected for a high demand game.
The Fans max speed is about 6,200 RPM.
If you would like more info about your system you can get the iStat Pro Wedget (free)
http://www.apple.com/downloads/dashboard/status/istatpro.html
Macs are not very good as gaming computers.
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File Save dialog box not showing correct file name while saving file

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Error while saving file to database using messageFileUpload

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In my OA Page I have messageFileUpload to save the file to a database. I have a custom stored procedure that I call in the AM that takes the file as BLOB and insert it into the table. My problem is for smaller files it works fine but as soon as I try to save a larger file i.e. over 0.5 MB I am getting the following errors. Sometime I get size error sometimes I get unreasonable conversion requested error. How can I solve this so it takes any size of file and save it.
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cStmt.setString(2, fileContentType);
cStmt.setNUMBER(3, new NUMBER(fileSize.intValue()));
cStmt.setBinaryStream(4,uploadedFile.getBinaryStream(),fileSize.intValue());Any help is appreciated.
Thanks

I was able to resolve it and used the below code just in case if anyone else trying to save the BLOB
byte[] barray = uploadedFile.getBytes(0,fileSize.intValue());
oracle.sql.BLOB data = oracle.sql.BLOB.createTemporary(conn, true, BLOB.DURATION_CALL);
data.putBytes(1,barray);
cStmt.setBlob(4,tempBlob);

Problem while saving files

Hello everyone,
I have problem while wanting to save my projects. Nothing appears when I click on "Save" or "Save as". Ctrl+S doesn't work either. The only option that remains to me is closing my project, then it asks me if I want to save or not, then I save. But once it closed without asking me, I lost my work It's kind of annoying.
I'm using Photoshop CS5
Could anyone help me?
Thanks.

You likely don't have a display with a minimum of 768 pixels vertically.
Hard to believe, but Photoshop's Save dialog will fail if you don't have a display that large.
-Noel

How to increase apex speed while developing

Dear's
I am using oracle11g and apex 4.1 is installed in it (Embeded).
When I am working with pages, it is taking cosiderable time to load.
Please help.

I am using oracle11g and apex 4.1 is installed in it (Embeded).
When I am working with pages, it is taking cosiderable time to load.Try increasing the SHARED_SERVERS parameter in your database:
http://ora-00001.blogspot.com/2008/04/adventures-with-apex-part-one-boosting.html
Or try using the Apex Listener in stand-alone mode instead of the Embedded PL/SQL Gateway:
http://blog.warp11.nl/2011/04/using-apex-listener-as-stands-alone-http-server-on-windows/
- Morten
http://ora-00001.blogspot.com

UseCompExpr Error while saving file in older format

All,
I have a sequence that:
1. Was Developed in TestStand 2.0.1
2. I am opened in TestStand 4.0.1
3. I want to save it back in version 2.0.1
WHY: Ease of use in newer TestStand GUI.
But I get a UseCompExpr error >>> unknown variable
Any ideas would be appreciated.
thanks

The only place I know that UseCompExpr is used is in the test step properties. It looks like the step types have changed since versions. When you tried to back save it doesn't know what to do with that property or how to use it.
It's used in the String Value Test, Multiple Numeric Limit Test and the Numeric Limit Test.
Hope this points you in the right direction.
Honestly though I'm not sure what you are doing is supported or recommended by NI. I can't speak for them though. TS 3.0 was a major overhaul to TestStand and any version previous I consider ancient and wouldn't personally consider crossing that line. My 2 cents.
jigg
CTA, CLA
teststandhelp.com
~Will work for kudos and/or BBQ~

Is there anyway to increase the speed while watching live video?

On Yahoo when I click on news video there is a lag sometimes. What can I do to prevent this?

Go to:
http://www.proapptips.com/captmench
and check out the TimeRemap video.
It only touches the surface of TimeRemap... after you watch that and mess with it crack open the manual and do some more reading.
Good luck,
CaptM

Saving file

while saving file different options appears in a dialogue .i file size should i choose to keep my file big original .or say of highest quality without reducing size

PSD will do what you want, but you have to decide based on what you are going to do with the file in the end.
A good practice is to Save As a PSD, and Save a copy of the file for ultimate use.

Increasing Write Speeds while saving files?...

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