On Wed, Nov 6, 2013 at 10:34 PM, Ben Kloosterman <[email protected]> wrote:
> >> If you don't use a guard page, you kinda have to do the stack checks. >> There several two possible reasons *not* to use a guard page: >> >> 1. You are executing in a non-paged environment >> 2. You really think that virtual address space is at a premium >> 3. You think that large-page TLBs matter >> >> I dont buy 2 and im iffy on 3. > Well, [2] is just a matter of doing the math. Purely a function of the number of threads and their heap sizes. And you may not buy [3], but the measurements concerning the advantage of large TLB mapping use are pretty compelling.
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