PSCS2 Does Not Flush Memory

CL
Posted By
Charles_Lott
May 10, 2005
Views
454
Replies
6
Status
Closed
While working on some large files with lots of text (i.e. using lots of RAM), I’ve found that PSCS2 and PSCS do not flush or clear out the memory when the file is closed. As a result, the memory utilization keeps increasing as I open more files or perform operations on an image that use lots of RAM, like adding text, until the system starts using virtual memory and performance suffers.

My system information is as follows.

OS Name Microsoft Windows XP Home Edition
Version 5.1.2600 Service Pack 2 Build 2600
OS Manufacturer Microsoft Corporation
System Type X86-based PC
Processor x86 Family 15 Model 2 Stepping 7 GenuineIntel ~2392 Mhz BIOS Version/Date Award Software International, Inc. 6.00 PG, 1/10/2002 SMBIOS Version 2.3
Windows Directory C:\WINDOWS
System Directory C:\WINDOWS\system32
Total Physical Memory 1,024.00 MB
Available Physical Memory 623.19 MB
Total Virtual Memory 2.00 GB
Available Virtual Memory 1.94 GB
Page File Space 2.37 GB

The video card is a Matrox 550 with the latest drivers.

I’ve contacted Adobe support about this and they sent me a 13 page Adobe Technical Support Document 318243 which basically addresses performance problems due to a lack of physical memory.Anyway, I did everything the document recommends and I still have the problem.

So, what I’m asking is for someone with a Windows XP based system to confirm that PSCS2 that actually reduces the memory requirement when a file is closed, or a memory intensive operation like modifying text is completed.

Open and close some files with PSCS or PSCS2 and with the the Windows Task Manager in the Performance Tab, see if the Available Physical Memory and the Commit Charge values reduce. Mine keep increasing as new files are opened and closed.

I think this is a problem that’s causing a lot of the performance issues reported here on the forum.

If this is the way PSCS and PSCS2 should work, then I’d like to know that too.

Thanks in advance for the help.

Best regards,

Charlie

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PC
Pierre_Courtejoie
May 10, 2005
Photoshop does not release memory until it is closed, and it is like this by design, IIRC.

All the memory that photoshop uses will be re-used by Photoshop. I’m sure that programmers do check for memory leaks in the QE process.
S
scb
May 10, 2005
Hi,

This issue has been discussed here before. While PS doesn’t "release" memory, it does keep it available for further use with subsequent operations. Supposedly that allows for faster operation.

I noticed this when I first got CS, and was concerned about performance issues. However, once PS CS was properly configured, as well as getting WinXP set up right (and stopped being concerned about what was showing in Task manager), whatever minor concerns I had just disappeared.

shel
CL
Charles_Lott
May 10, 2005
Thanks for clarifying that Pierre.

If a file is opened, edited,closed and another image opened, shouldn’t Photoshop use that memory then instead of increasing the memory utilization?

In my case the memory utilization keeps increasing every time I close a file and open another one,even if the subsequent files are smaller than the preceding file.
CL
Charles_Lott
May 10, 2005
Thanks shel,

I’ve set up PSCS and Windows XP as instructed by Adobe in the Technical Document they sent me.

I’m not hung up on the Windows Task Manager. I’m just trying to understand if a system with 1 Gig of RAM isn’t robust enough for editing a lot of files without exceeding the physical memory and going to virtual memory, which slows things down, even on a properly configured system.

If another Gig of memory is what it takes to get the job done, that’s not a problem.

I’m just trying to understand if that’s really required.
S
scb
May 10, 2005
If another Gig of memory is what it takes to get the job done, that’s not a problem.

I’m just trying to understand if that’s really required.

Hi,

A bit more memory wouldn’t hurt, that’s for sure. My setup has 2gb of RAM, and it sure is nice to have the flexibility that provides. If the cost or aquisition of RAM’s not an issue, go for it.

shel
CC
Chris_Cox
May 10, 2005
Charles – Photoshop does reuse the memory, as much as possible.

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