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I belive perl will see the 'x' operator and try to allocate the necessary memory in one block. The OS will quickly not find a memory range large enough and fail the request, prompting perl to die. The alternative that would cause perl to die slowly would be if 'x' allocated a small string, copied it's first parameter into it until it ran out of space, then allocated a slightly larger sting, copied the old sting in, de-allocate the old sting, then continued to copy the first parameter until it ran out of room again. But that would be horribly inefficient. (even for perl =)

In reply to Re: Re: How to burn 100 megabytes in one line and still get the wrong answer by Ven'Tatsu
in thread How to burn 100 megabytes in one line and still get the wrong answer by zude

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