Re: PCRE JIT stack size limit
| From: | David Zuelke | Date: | Mon, 21 Mar 2016 20:24:46 +0000 |
| Subject: | Re: PCRE JIT stack size limit | ||
| References: | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-91825@lists.php.net to get a copy of this message | ||
On 21.03.2016, at 19:54, Nikita Popov <nikita.ppv@gmail.com> wrote:
>
> On Mon, Mar 21, 2016 at 7:41 PM, Anatol Belski <anatol.php@belski.net> wrote:
>> The issue I have with more increasing the stack is that - while as we see
>> till today
>> the default stack size of 32K is enough in the common case, the max of it
>> will be
>> reserved. So the real usage will most likely stay under 32K, but the whole
>> of max
>> (say 64K now) will be unusable by anything else.
>>
> Are you sure about that? The documentation says "The arguments are a starting size for the
> stack, and a maximum size to which it is allowed to grow." Unless I'm misunderstanding
> something, it should not be allocating the maximum size right away.
That's how I understood it too.