Hi,
On 16/11/2017 12:41, Petr Ovtchenkov wrote:
This part of code is from SGI, so I suspect that nobody here really
measure performance difference between "bufferred" and "non-buffered"
implementations.
Here where? The GNU libstdc++-v3 implementation? Certainly we did, as I
tried to tell you th
On Thu, 16 Nov 2017 12:29:37 +0100
Paolo Carlini wrote:
> Hi,
>
> On 16/11/2017 12:03, Petr Ovtchenkov wrote:
> > On Thu, 16 Nov 2017 10:39:02 +0100
> > Paolo Carlini wrote:
> >
> >> Hi,
> >>
> >> On 16/11/2017 06:31, Petr Ovtchenkov wrote:
> >>> Is we really worry about frozen sizeof of instan
Hi,
On 16/11/2017 12:03, Petr Ovtchenkov wrote:
On Thu, 16 Nov 2017 10:39:02 +0100
Paolo Carlini wrote:
Hi,
On 16/11/2017 06:31, Petr Ovtchenkov wrote:
Is we really worry about frozen sizeof of instantiated template?
Yes we do. See https://gcc.gnu.org/onlinedocs/libstdc++/manual/abi.html
u
On Thu, 16 Nov 2017 10:39:02 +0100
Paolo Carlini wrote:
> Hi,
>
> On 16/11/2017 06:31, Petr Ovtchenkov wrote:
> > Is we really worry about frozen sizeof of instantiated template?
> Yes we do. See https://gcc.gnu.org/onlinedocs/libstdc++/manual/abi.html
> under "Prohibited Changes", point 8.
>
Hi,
On 16/11/2017 06:31, Petr Ovtchenkov wrote:
Is we really worry about frozen sizeof of instantiated template?
Yes we do. See https://gcc.gnu.org/onlinedocs/libstdc++/manual/abi.html
under "Prohibited Changes", point 8.
Of course removing the buffering has performance implications too -
th
On Wed, 15 Nov 2017 22:31:11 +0100
Paolo Carlini wrote:
> Hi,
>
> On 15/11/2017 11:48, Petr Ovtchenkov wrote:
> > Ask associated streambuf for character when needed instead of
> > accumulate it in istreambuf_iterator object.
> >
> > Benefits from this:
> >- minus one class member in istreamb
Hi,
On 15/11/2017 11:48, Petr Ovtchenkov wrote:
Ask associated streambuf for character when needed instead of
accumulate it in istreambuf_iterator object.
Benefits from this:
- minus one class member in istreambuf_iterator
- trivial synchronization of states of istreambuf_iterator
an
