Re: 2.4 Official -- memory stuff
Andy Serpa wrote:
> This has become a more general problem than I thought at first.
> ...
I still have the program you gave me before, but if you
have a new one, please post it (or a stripped down example)
or send it to me.
I'll do some experiments using my 64Mb ME machine.
Maybe I can quantify exactly what it is that
leads to the bad performance.
No one else has reported any performance problems
in 2.4 (alpha, beta or official),
but I did confirm terrible performance on my ME machine
when running your previous program, when the memory used
reached a certain level.
As I recall, your previous program allocated millions
of floating-point numbers in 4 sequences that each grew
from zero-length, one element at a time, until they were
500000 elements long. Each f.p. number needs about 24 bytes,
so, with other variables, I calculated your program would
need 50 Mb of RAM on your (originally) 256Mb machine, and that's
the best case, assuming not too many unused free blocks
in the (over 2 million block) heap.
Regards,
Rob Craig
Rapid Deployment Software
http://www.RapidEuphoria.com
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