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How to alocate more memmory to 3d smax.
show user profile  tommtomm
Hi all,
I am constantly having problems with very little ram usage whilst running max.
I have 4gb of ram,
dual core processor 3.4.
Geforce GTX 580m (the new one)
Running windows XP
3d studio max 9 32 bit.
even when doing partical effects (glu 3d) it only uses 389,000 K ram, in total there is only 1.2 Gb running at any point, whats happened to the other 2.8 gb of ram.
Not sure how to alocate more ram to max. If you know any tutorial of how to do this I would really appreciate it, as it is running so slowly to render or even creat particals.

read 823 times
2/1/2011 12:54:25 AM (last edit: 2/1/2011 12:54:25 AM)
show user profile  horizon
You can't force it to use more memory than it needs. If it's not on the peak of memory usage and/or crashing, whatever it uses is plenty enough.

Your cpu is to blame for the rendering speed

read 820 times
2/1/2011 1:02:31 AM (last edit: 2/1/2011 1:02:31 AM)
show user profile  Mr_Stabby
get 64 bit os+max, due to the way 32bit windows works with memory (kernel taking a bite+address space issues) 1.2gb actually is around the maximum a program can use, and yea max does need more memory im regulary at around 3gb usage while dealing with medium poly builds

read 805 times
2/1/2011 9:51:15 AM (last edit: 2/1/2011 9:51:15 AM)
show user profile  horizon
He said 389mb for max and 1.2gb in total. That's not the maximum.
But yes, 64bit OS will be a benefit with 4gb ram

read 791 times
2/1/2011 4:37:26 PM (last edit: 2/1/2011 4:37:53 PM)
show user profile  Mr_Stabby
ah yes must have misred, in that case if max doesent use more memory it doesent need it

read 772 times
2/1/2011 6:55:35 PM (last edit: 2/1/2011 6:55:35 PM)
show user profile  tommtomm
Thanks for replying guys.
Its a bit strange even when i am rendering it only uses 300,000-380,000. When I was working on a liquid project (glu 3d)even though it seemed to take ages to work out the collisions it never went over 360,000 but again it took a very long time to complete it.

Not sure if partical effects work with ram cpu or Graphics card, please let me know if this is normal.

Thanks again for the feedback.
read 751 times
2/3/2011 12:25:12 AM (last edit: 2/3/2011 12:25:12 AM)
show user profile  LionDebt
The CPU or processor of your computer is what does all the calculations and mathematical blah blah blah.

Your memory is what stores these numbers and values as your CPU uses them in calculations.

Your CPU has a clock rate which is the speed at which it can carry out instructions. The higher the clock rate the 'better' the CPU.

As grotey summarised in a post a while ago,
a better graphics card = better/faster viewport speed
more RAM = ability to process larger and more complex scenes and renders
a better CPU = faster rendering times...

It seems your computer is already fairly decently kitted out. Upgrade to Windows 7 - 64bit, would be my suggestion.
read 736 times
2/3/2011 1:27:39 AM (last edit: 2/3/2011 1:27:39 AM)
show user profile  horizon
The time it takes to do anything has very little to do with the amount of ram you've got.
As far as I know, everything needed for the render is loaded in ram, so if 500mb is enough, it renders at the same speed if you have 2gb or 4gb (might be some slight difference if there is less pagefile use for other software in the process)
If your ram is insufficient, it will just crash and not even start to render.

Particles are also loaded to ram, but the amount of it won't make the speed difference, only if your pc will render it or crash.

So, in short.
RAM - how big a scene you can build without crashing on render time
CPU - how fast everything calculates and renders
GPU - how fast the viewport refreshes

read 735 times
2/3/2011 1:27:53 AM (last edit: 2/3/2011 1:27:53 AM)
show user profile  advance-software
GPUs raytrace (render) faster than CPUs because they can process multiple rays simultaneously.

Increasing memory only makes things go faster if you've run out and the system is paging to disk.

The CPU is still used for some calculations so will still have an effect on performance even when using a GPU accelerated raytracer.

If anyone has an old kitchen scene (or similar) that they don't mind sharing, maybe that would make a good, real-world benchmark ?

read 725 times
2/3/2011 9:21:49 AM (last edit: 2/3/2011 9:29:00 AM)
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