Test-maxMem.C

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#include <iostream>
#include <stdlib.h>
using namespace std;
 
int main(int argc, char *argv[])
{
    if (argc != 2)
    {
        cerr << "Usage: " << argv[0] << " <number of Mb per chunk>\n";
        exit(1);
    }
 
    int nBytes = (1024U*1024U)*atoi(argv[1]);
 
    char *cPtr;
 
    for (unsigned i=1;; i++)
    {
        cPtr = new char[nBytes];
 
        /*
        for (int j=0; j<nBytes; j++)
        {
            cPtr[j] = 0;
        }
        */
 
        cout << "allocated " << i*nBytes/(1024U*1024U) << " Mbytes" << endl;
    }
 
    return 0;
}