On Mar 3, 2011, at 2:21 PM, "Michael D. Berger" <m_d_berger_1900@xxxxxxxxx> wrote:
> In a context where exceptions are caught, I ran
> the fragment:
>
> cerr << "allocating" << endl;
> char* arr[100];
> for (int jj = 0; jj < 10; ++jj)
> {
> cerr << "jj = " << jj << endl;
> arr[jj] = new char[2000000000];
> sleep (30);
> }
> sleep (10);
> for (int jj = 0; jj < 10; ++jj)
> delete[] arr[jj];
> cerr << "deleted" << endl;
>
> The exception was caught with jj = 1, i.e., on the second allocation.
In 32-bit a process can only allocate 3GB, 1GB is reserved for the kernel.
I don't know what your trying to do, but I'm sure your could do it a whole lot better the pre-allocating all available memory.
Don't go by top it only shows committed memory, not reserved.
-Ross
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