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Author: Zhuge Liang is not

4 efficiency tools, temporary disk, memory and image cache

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Although Photoshop has the ability to manage memory, it does not know how much memory and hard disk space your computer system has. Therefore, the last two pre-made dialog pages only play the role of real optimal control of Photoshop.

7.1 Importance of temporary storage

As a Photoshop preset option, the temporary disk is as important as the color setting in the workspace. Photoshop needs a certain amount of hard disk space to store historical records, data in the clipboard, multiple copies of the currently active file used for restore operations, and other content. If you do not allocate enough hard disk space to it, even if your computer has a gigabyte of memory, image processing may still be suspended.

7.2 Specify the directory for the plug-in tool (number 10 in Figure 10)

Third-party products such as Alien Skin, Andromeda software, etc. are called plug-ins, and they can be installed in the Plug-Ins directory of the Photoshop installation folder. Now there is such a question: what if you already have a Painter tool, but want to use another Painter plug-in tool? This can be solved by first creating a new folder in a drive on the computer and placing a third-party plug-in tool into the folder, and then designating the folder as an additional plug-in tool directory for Photoshop to find Synergies. By the way, you need to check the "Other plug-ins catalog" option in the dialog box shown in Figure 18, so the next time you open Photoshop, it will automatically find the plug-ins in the catalog. The location of the plug-in folder (including all presets) will not change immediately, and will only take effect when you reopen Photoshop.

7.3 Legal Photoshop serial number

Without a valid Photoshop serial number (as shown in the part marked with â‘¡ in Figure 10), some plug-in tools will not be available. The registration number of Photoshop 7 is definitely not the same as the previous version, so it will cause the third-party plug-in tools to continue to be used. So, if your plug-in cannot work in the Photoshop 7 version, then enter the previous version's Photoshop serial number in the "Old Version Photoshop Serial Number" field.

Let's take a look at the settings related to memory management.

4.4 Allocate system resources to Photoshop

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First, users using Windows 2000 and Windows XP should open your Photoshop, then enter the process options of the task manager, pull the slider to find the image name of Photoshop.exe, select and right-click, in the pop-up menu Move the mouse to "Set Priority" and select "High" priority in the submenu. At this time, a task manager warning will pop up. This warning may cause some undesirable results, including system instability. Choose "Yes" with confidence.

Secondly, Photoshop needs its own space, so that it is not disturbed by other applications at runtime, and Photoshop hopes that the larger the independent space, the better. Unlike other software, Adobe knows how to manage memory. This means that if you want to process a 40 MB image file, other graphics and image processing software may be helpless, but Photoshop can do it-as long as you allocate it the memory and temporary disk space it needs. In general, Photoshop needs to use three to five times the size of the saved file to process the image file. This means that if your work object is a 5 MB image file, you must have 15-25 MB of free scratch disk space and physical memory space. If the temporary disk space is less than the memory space, Photoshop will only use the same amount of memory space as the temporary disk space, and will not use excess memory space. Therefore, if you have 1 GB of memory and the scratch disk space assigned to Photoshop is only 200 MB, Photoshop will only use 200 MB of memory.

It can be seen that the author has set up four drives in the temporary disk area (shown as the part marked with â‘¢ in FIG. 10) as the temporary disk space. The first one is drive D, which is a drive specifically designed for use by Photoshop when the computer performs disk partitioning. The price of the hard disk is getting cheaper, and the image file is larger than in the past. The author believes that 5 GB is enough for Photoshop. There is nothing special about the specified second, third, and fourth drives, but it seems to be more hanging! As shown in the figure, you can set up to 4 temporary storage disks. Also remind everyone that the disk defragmentation program of Windows ME and later versions will automatically clean up the disk, so the drive is always in the most optimized state. This is not the case with Macintosh systems, so Macintosh users should often use a disk defragmenter from software companies such as Symantec to clean up the disk fragments of the drive and optimize the temporary disk.

In Photoshop 7, Windows and Mac operating systems manage memory in a similar way. This means that memory management techniques are the same for users of Windows and Mac operating systems. The next section introduces these memory management techniques to you.

4.5 Temporary disk allocation and memory requirements

Although the Windows and Mac operating systems will dynamically adjust the size of the memory pool as you work, allowing applications to increase the memory space they use. However, it is still recommended that you allocate as much temporary disk space as possible in the page of the dialog box for plug-ins and temporary disk presets. The drive that can be used as a scratch disk is as follows:

• Drives with a lot of free space The temporary disk space set by the author in my system is too large, in fact, 2 GB of free space is enough. Of course, after you close Photoshop, the disk space is still recovered.

• Uncompressed drives Drives designated as scratch disks should not use Microsoft DriveSpace. In this day and age, compressed drives should disappear. If you feel that the hard disk space is not enough, then replace the hard disk with a large capacity instead of compressing the drive.

• Disk defragmented drives As mentioned earlier, if your operating system does not have disk defragmentation, then use the disk defragmenter to optimize the state of the drive before setting it as a scratch disk.

Drives that have a lot of free space and are not compressed are of course the preferred drives for scratch disks. If your computer has other drives with a large amount of free space, you may wish to set them as the second, third, and fourth scratch disks. Photoshop does need such disk space to ensure that you work faster and with fewer errors. You should not even open other programs except listening to MP3 when using Photoshop to ensure that the system provides Photoshop with the most memory.

Warning: Do not set drive C as a temporary disk. Because not only the operating system is stored on the C drive, some temporary folder and other applications are also located on the C drive. If you use drive C as a temporary disk, Photoshop will dynamically adjust the space on the drive while you work, which will easily cause system failure!

The process of specifying a temporary disk on a Macintosh system is similar to that on a Windows system. Select a large-capacity blank drive, and then use software such as Norton Utility to defragment the drive's disk, and do not compress the target drive. Select up to 4 drives to be used as scratch disk space.

The first thing to do to optimize memory is to check the system to see how much memory is available. A large number of old G3 computers, color imac computers, and some G4 computers have 64 MB of memory, but 128 MB of memory is required to work smoothly in Photoshop. So if the system has only 64 MB of RAM, it should be increased.

Even with 128 MB of RAM, it may not be able to meet the requirements of applications other than Photoshop (all today ’s software has particularly high memory requirements), so if you really need to run Photoshop and another application at the same time, Then it should be done according to the following requirements.

Allocating memory for Photoshop on Macintosh

1. Turn on the computer and do not run any programs. Running the program or checking email online will potentially split the system's memory, which will cause the values ​​read in "Step 3" below to be inaccurate.

2. Open a program that will run with Photoshop. The ideal situation should be that no other programs are running, but doing so will inevitably reduce work efficiency.

3. From the Apple menu, select Finder >> About This Computer, and this box will tell you the maximum number of available memory, assuming 120 MB.

4. Select the Adobe Photoshop program icon in Finder, and then select File and Get Info.

5. Regardless of the value in the box, set the Preferred Size (priority level) in the Info window to not exceed 90% of the value of the Largest Unused Block (maximum unused block) seen earlier, for example, set to 120 90% of MB.

6. Close the Info window and then open Photoshop.

Press Ctrl + K to return to the "General Preferences" dialog box; select the memory and image cache options from the drop-down menu, enter the memory and image cache preset dialog page, and prepare to start the next section of the study.

5 Memory and image cache

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We all know that the cache in a computer system can speed up the display of commonly used screen areas. Similarly, setting a cache for images also helps speed up the display of images, and both work the same way. The default cache level is 4 and there is no need to modify it because this setting value can display images faster and ensure the performance of the entire system. Using the preset option of histogram caching is redundant. It is recommended that you do not select this option. Even if you have system resources dedicated to storing histogram information, this storage is only for pixel samples in the image, not in the image. Of all pixels. The available memory assigned to Photoshop depends on the memory of your computer. The appearance of the memory and image cache preset dialog box pages in Windows is shown in Figure 12, and the appearance of this dialog box in Macintosh is similar to that of Windows But Macintosh is more beneficial to Photoshop users. Adobe recommends at least 128 MB of memory for Photoshop. Therefore, after calculation, it can be seen that about 50% of the available memory space and the temporary storage space matching it can be used by Photoshop.

At least the maximum memory used by Photoshop should be set to 96MB (minimum requirement), 256 MB is better, larger is of course better.

Tip: Get more memory space If your image editing work exceeds the memory and scratch disk space, Photoshop will begin to exchange the elements it needs to complete the editing work. But this will reduce the performance of the system. Of course, you can also set the maximum percentage used by Photoshop to 100%, but this is actually impractical. If you set the maximum percentage used by Photoshop to 100%, it actually reduces the efficiency of Photoshop. Because the Windows operating system itself can use software caching, Photoshop and Windows conflict over how much memory they can use. You can't really provide 100% of the system resources to Photoshop, and the Windows operating system does not allow you to do so, because the operating system itself also requires resources. It is strongly recommended to prepare a large amount of memory so that the preferred temporary storage disk retains a large amount of free space, and there is basically no disk fragmentation.

Note: Pay attention to your system resources. If you click the triangle in the status bar in the main window of Photoshop (Macintosh: the bottom of the scroll bar), and select "efficiency" from the pop-up menu, then you can always see the actual Photoshop How much memory is used (the indicator will show 100%). In addition, you can also see whether Photoshop transfers the data to the computer's hard drive. If the efficiency drops to 58%, you should: (1) Save and close the file, or merge useless layers; (2) Purchase more memory.

So far, we have talked a lot about the settings of the Photoshop preset dialog box, and now it is over-you have optimized all the underlying setting options of Photoshop.

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