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memory

Printed From: CAD Forum
Category: EN
Forum Name: AutoCAD
Forum Description: Discussion about AutoCAD and AutoCAD LT, viewers, DWG and DWF formats, Design Review, AutoCAD 360, add-ons
URL: https://www.cadforum.cz/forum_en/forum_posts.asp?TID=6479
Printed Date: 16.May.2026 at 10:13

Topic: memory

Posted By: jesome
Subject: memory
Date Posted: 25.Aug.2011 at 09:28

I have started to get "out of memory" when using "hatch command"
this is new

ACAD2011
Quad core
3gb mem

Replies:

Posted By: philippe JOSEPH
Date Posted: 25.Aug.2011 at 09:50

Hello, what size is your file ?

Do you frequently "PURGE" your file of the deleted items to lighten it ?

Warnning : if you do blocks and delete them, then if you "PURGE" you file these deleted blocks will desapear ( keep them in a part of you file to save them ).

Hatches can be very heavy specially the one with a lot of lines like ARCONC.

Posted By: jesome
Date Posted: 25.Aug.2011 at 10:33

thank you philippe JOSEPH

file size 16,336kb
yes I do purge after a session
and yes I do have a lot of blocks

Posted By: jesome
Date Posted: 25.Aug.2011 at 10:46

some more information
when I click on the HATCH icon the program hangs for 50 seconds before I can decide on the hatch variables I require
This latest time I got
"FATAL ERROR: Unhandled Access Violation Reading 0x000c Exception 62148ff4h" and the program closed

Posted By: John Connor
Date Posted: 25.Aug.2011 at 13:38

Out of memory errors are typically generated as a result of one's virtual memory setting being too low.

How much physical RAM is installed in your computer?

Do you let Windows manage virtual memory? Have you ever attempted to tweak the settings?

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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."

<<AutoCAD 2015>>

Posted By: philippe JOSEPH
Date Posted: 25.Aug.2011 at 15:20

Hello again, when doing hatches some precautions are to be taken if you see that it takes a lot of time before you can even set the hatches.

Do a zoom close to the area to be hatched on your screen.

Let only the layer defining the boundaries of the hatches visible ( freeze dimensions, centerlines, hidden lines etc... ).

When you are doing hatches Autocad doesn't like it to be done in a block or when a block ( even not belonging to the area hatched ) is in the screen area.

Posted By: jesome
Date Posted: 25.Aug.2011 at 16:38

in answer to Johns post - this is my problem - I tweak too much
I have 4gb installed but as I use 32bit I know less can be used

in answer to philippe JOSEPH the problem is when I click the hatch icon
I have tried zoom in on a small area of the hatch boundary but it did not work

I am about to try "THE FINAL SOLUTION" fdisk and reload all

Posted By: Cad64
Date Posted: 25.Aug.2011 at 21:32

Which hatch pattern are you using?
How large of an area are you trying to hatch?

You may need to try a different hatch pattern or increase the hatch scale.

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Online Portfolio: http://www.rdeweese.com/" rel="nofollow - http://www.rdeweese.com/

Posted By: John Connor
Date Posted: 25.Aug.2011 at 23:55

The problem does NOT call for a fdisk and reload. STOP immediately!

If you have a 32-bit system and 4GB of RAM installed then you have in effect hobbled your computer UNLESS you have enabled the 3GB switch in your boot.ini file. Then, maybe, your computer will recognize the majority of the 4GB (actually it will report back something like 3.2 or 3.4GB but never the full 4GB). This has been well documented by Microsoft and even AutoDesk has a white paper issued on how to go about enabling the 3GB switch on a 32-bit system.

However, that alone may not solve the problem. You may have to go one step further and tweak your virtual memory settings (a.k.a. - the swap file) such that it is 2.5 to 3 times that of your physically installed RAM. When doing this it is also recommended that the user set BOTH the min and max settings to the exact same value. This will cause Windows to set aside a contiguous area on your hard drive to be used as the swap file.

I successfully used this technique on a previous CAD computer that was running Windows XP SP3 (32-bit) with 4GB of installed RAM.

The only other way to avoid these problems is to buy a new system and install Windows 7 Pro (64-bit) and start with a minimum of 4GB of RAM (8GB is better) and you should have no further worries. Of course you'll need to upgrade to the 64-bit version of AutoCAD too. 2012 is the latest version.

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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."

<<AutoCAD 2015>>

Posted By: philippe JOSEPH
Date Posted: 26.Aug.2011 at 08:22

Hello N° 3, it may not be the solution and it looks like it's really a problem of "computer power" but when I said that you have to do a zoom close to the area to be hatched this means that the entire area to be hatched must be in your screen ( but not more if you want a lighter hatching action to be achived by your computer ).

This may be in addition to my 2nd answer a help for other Autocad users.

Posted By: jesome
Date Posted: 26.Aug.2011 at 10:39

thanks John
I do have the 3gb switch enabled ( Tip 5551 )
and I understand the hobbled - I have the 64bit disc but never got round to installing
My current system is:-
Core 2 Quad CPU 6600 @ 2.4 GHz
Nvidia Ge Force GTS 250
Windows Experience 5.9 base score
This must be sufficient if I had 64 bit ?????
maybe ( fdisk) upgrade to 64 bit is my way forward
thanks phipippe JOSEPH for your answer

Posted By: jesome
Date Posted: 26.Aug.2011 at 21:40

wiped the disc containing my OS goodby 32bit and have installed 64bit
I now have some reinstalling to do including Autocad and about 1 million other programs - a weekends work - but it is all good fun
thanks everyone for your help but it will be Monday before I run Autocad again

Posted By: John Connor
Date Posted: 26.Aug.2011 at 23:26

What version of Windows will you be installing?

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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."

<<AutoCAD 2015>>

Posted By: jesome
Date Posted: 27.Aug.2011 at 15:13

Windows 7

Posted By: John Connor
Date Posted: 27.Aug.2011 at 16:45

Win7. Fine. But what version? I'd recommend the Pro or even the Ultimate version.

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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."

<<AutoCAD 2015>>

Posted By: jesome
Date Posted: 28.Aug.2011 at 12:31

sorry it is Windows 7 Professional

Posted By: John Connor
Date Posted: 28.Aug.2011 at 13:04

Good choice. I hope all goes well for you.

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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."

<<AutoCAD 2015>>

Posted By: jesome
Date Posted: 30.Aug.2011 at 11:26

After all that effort - it did'nt work
here is the story
run Autocad draw a rectangle - click on the hatch - click on the rectangle
hatch is OK and instant
Open the large drawing ( 27Mb )
click on the hatch icon - wait 53 seconds - select hatch details - click inside area-
after 10 minutes I either get "not responding" or the program bombs out

my conclusion is it must be the large file - any other suggestions

Posted By: John Connor
Date Posted: 30.Aug.2011 at 12:01

The largest file I've worked with was 35MB and I was able to use the Hatch command.

So what effort did you undertake eventually?

Are there xrefs attached to this file?

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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."

<<AutoCAD 2015>>

Posted By: jesome
Date Posted: 30.Aug.2011 at 16:39

John

no x-ref's attached - at present the areas will not be hatched

Posted By: John Connor
Date Posted: 31.Aug.2011 at 12:03

How did you obtain your software?

What is the source of this 27MB file? Did you create it from scratch or did you get it from a client or contractor?

Have you Purged and Audited the file?

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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."

<<AutoCAD 2015>>

Posted By: jesome
Date Posted: 03.Sep.2011 at 18:19

1. work subscription
2. created from scratch
3. Yes purged and audited

I have started to redraw from scratch - so far the file is quite small
so I think we should close this post

Thank you all for your help

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