On Tue, 17 Aug 2021 at 14:40, Antony Polukhin wrote:
>
> вт, 17 авг. 2021 г. в 16:37, Jonathan Wakely :
> <...>
> > Thanks, this is a nice improvement. We can avoid tag dispatching to
> > make it simpler though:
> >
> > @@ -3248,6 +3249,9 @@ namespace __detail
> > template
> > seed_seq::seed
вт, 17 авг. 2021 г. в 16:37, Jonathan Wakely :
<...>
> Thanks, this is a nice improvement. We can avoid tag dispatching to
> make it simpler though:
>
> @@ -3248,6 +3249,9 @@ namespace __detail
> template
> seed_seq::seed_seq(_InputIterator __begin, _InputIterator __end)
> {
> + if _
On Tue, 17 Aug 2021 at 09:42, Antony Polukhin wrote:
>
> When std::seed_seq is constructed from random access iterators we can
> detect the internal vector size in O(1). Reserving memory for elements
> in such cases may avoid multiple memory allocations.
>
> libstdc++-v3/ChangeLog:
>
> * in
When std::seed_seq is constructed from random access iterators we can
detect the internal vector size in O(1). Reserving memory for elements
in such cases may avoid multiple memory allocations.
libstdc++-v3/ChangeLog:
* include/bits/random.tcc: Optimize seed_seq construction.
--
Best re
