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Hello,

I have a very old mac pro (EARLY 2006-Mac Pro1.1 ) that had 13 GB of memory. Today I installed 16 more (i removed the 512 MB slots) and I have now total 28GB memory
The reason I did this is that in DP7 some times a lot of samples playing at the same time would make the project stutter (clicking?). I also use Plogue Bidule in rewire mode and also 3 instances of KONTAKT 4. I am aware that Kontankt 4 gives me the most issues with memory overloading ( for example if I try to enable the superior drummer library in the instruments track the project crashes when all 3 instances of KONTAKT 4 are enabled but it doesn't crash when they are disabled)

I am also aware about some possible solutions that help reduce the clicking and the stuttering (and that I have already done) such as the increase of the buffer size when playing back (I have it at 1024) or the spreading of the sample libraries in different disks or even the use of many instances of the same library rather than one instance with all the samples loaded in it.

The problem is that after I installed the 16 extra GB not only the problem remains (for example the Audio monitor in DP still reaches red as it did before) but it also purged some of the KONTAKT 4 samples because of insufficient memory when I opened my DP project.
BTW, the memory is good and running and it is purchased from Ramjet which I trust. Some of my old memory slots were also from Ramjet with no issues.

Please help. I am so sad to have spent $129 for 16 extra GB of memory and still experience the same or even worse issues. If there is no cure I will return the memory back and probably live with the 13GB of memory and buy a new mac pro in the future...

But any ideas if there is a way to fix the problem? Can I force DP to use more memory rather than CPU? Am I even making sense here?
Thank you for your time

If there is no cure I will return the memory back and probably live with the 13GB of memory and buy a new mac pro in the future...

Newer Macs are a lot faster. That said, I will take the liberty of quoting myself from an earlier thread. Substitute your VI of choice for "Ivory":

Try increasing the RAM buffer for Ivory, I think it is in Preferences. With 32G of RAM, you can afford to put as much of each sample in RAM as Ivory will allow. It will increase load times, but makes the disc upon which the data is stored work less hard.

I like running all my VIs with large pre-load into RAM, as RAM is waaaay faster than even the fastest PCIe SSD. Projects take a little longer to load, but I can live with that.

I don't remember: did DP 7 run in 64 bit mode? If so, are you running it in 64 bit mode? It is otherwise limited in the amount of RAM it can address?

Just guessing from memory here, but isn't DP7 and Kontakt 4 32 bit, and therefore limited to 4 gigs? I'd drag out the Activity Monitor and see what's going on.

cuttime wrote:Just guessing from memory here, but isn't DP7 and Kontakt 4 32 bit, and therefore limited to 4 gigs? I'd drag out the Activity Monitor and see what's going on.

If DP7 is still 32 bit, than I think you can use Kontakt 4's Memory Manager to get access to more RAM

Newer Macs are a lot faster. That said, I will take the liberty of quoting myself from an earlier thread. Substitute your VI of choice for "Ivory":

Hello. Thanks
what is Ivory?

A very nice Piano VI from Synthogy.

A CPU “hog”...kinda.


Sent from my iPhone using Tapatalk

So let me guess: the solution to my problem is to replace all the Vis I have with a piano library.
Ok I am out of here.

Gate 13 wrote:So let me guess: the solution to my problem is to replace all the Vis I have with a piano library.
Ok I am out of here.

I think the solution is to use 64 bit software versions that can use more than 4G of RAM. Otherwise, it doesn't really matter if you have 10 or 100G of RAM.

Which one is not 64 bit? My Mac? dp? kontakt4?
Thanks

Gate 13 wrote:Which one is not 64 bit? My Mac? dp? kontakt4?
Thanks

If you are running Snow Leo, than your Mac is 64 bit. I don't remember about DP 7, but I think Kontakt 4 can run 32 and 64. Once again, how much RAM is being used by DP according to your Activity Monitor?

Thank you cuttime!
I am running 10.6.8. I think it is Snow leopard.
Also how can I check what you just mentioned? I only checked the memory of the mac and when the DP project is running only 4 GB are used and the other 24 are free.
I dont know if this means something

Gate 13 wrote: I only checked the memory of the mac and when the DP project is running only 4 GB are used and the other 24 are free.
I dont know if this means something

This means you are using everything in 32 bit mode, as we suspected. The only other alternative would be to adjust Kontakt's Memory Server (Kontakt>Options>Memory>Use Memory Server) and see what happens, as HCM has suggested. I honestly don't remember if this is a solution or not.

Thank you. I will try this and get back to you.

Besides trying to make an adjustment in Kontakt, is there any other solution to take advantage of the extra memory in DP?