[GE users] Mac G5 memory limits ?

Reuti reuti at staff.uni-marburg.de
Thu Mar 10 22:53:38 GMT 2005


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Until you get Tiger with 64 Bit support this looks like the usual 4 GB limit 
minus something for the system, e.g. PCI slots. (per process on a Mac, unlike 
PCs where the limit is in total AFAIK). - Reuti

Quoting Barry J Mcinnes <Barry.J.Mcinnes at noaa.gov>:

> Here is the output of "ulimit -a" and then the PBS getmem C program 
> which just keeps grabbing memory every n seconds
> The process keeps running until it hits the Mac limit of 3.5GB ?
> 
> core file size        (blocks, -c) 0
> data seg size         (kbytes, -d) 10240
> file size             (blocks, -f) unlimited
> max locked memory     (kbytes, -l) unlimited
> max memory size       (kbytes, -m) 1048576
> open files                    (-n) 256
> pipe size          (512 bytes, -p) 1
> stack size            (kbytes, -s) 10240
> cpu time             (seconds, -t) unlimited
> max user processes            (-u) 100
> virtual memory        (kbytes, -v) 20480
> memory limit is 0kb cur, 10240kb hard
> 
> nprocs = 1, amount = 10485760, delay = 15
> process 1 (main) pid 553
> cycle 1: mem amount 10240kb
> cycle 2: mem amount 20480kb
> cycle 3: mem amount 30720kb
> cycle 4: mem amount 40960kb
> cycle 5: mem amount 51200kb
> cycle 6: mem amount 61440kb
> cycle 7: mem amount 71680kb
> cycle 8: mem amount 81920kb
> cycle 9: mem amount 92160kb
> ...
> cycle 349: mem amount 3573760kb
> cycle 350: mem amount 3584000kb
> cycle 351: mem amount 3594240kb
> 



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