Hi,
i would like to compile a programm, which contains an static array with a
large amount of structures(containts 9 doubles) as elements. I try it on two
ways.
One way is:
I put as an element the structure as
mystruct array[823543] = { .., { 0.,0.,0.,0.,0.,0.,0.,0.,0.}, ... }
and try to compile.
(Number of elements CAN and WILL be much larger. this is only fewdata test)
First I try the "g++ (GCC) 4.1.2 20070115 (prerelease) (SUSE Linux)" and -O0.
The compilation breaks with "virtual memory exhausted: Out of memory".
The same result, even if i turn on the optimisation -O1,2,3,4,5 and a lot of
flags -fxxx .-
Then i try the "g++ (GCC) 3.4.5".
It compiles, both with -O0 and with -O1,2,3,4,5!
The second way is:
I create 823543 (or even more) structures with the name like struct1, struct2
and so on
mystruct struct1 = { 0.,0.,0.,0.,0.,0.,0.,0.,0.};
mystruct struct2 = { 0.,0.,0.,0.,0.,0.,0.,0.,0.};
..
and the array with the pointers on they:
mystruct * array[823543] = { &struct1, &struct2, ...};
Now i get the "virtual memory exhausted: Out of memory" with both versions of
compiler and with both optimisations settings.
The source with the structures and array will be generated automatically.
With a small amount of structures - i have no problems, but i have to have a
large, more than 100 000 000 numbers of structures, amount of data.
The same behavior also on 64bits machine (AMD).
How i can get the second variante compuled?
Or it is a principal problem with the compiler and is unpossible to compile?
Regards,
Pavel Saviankou
