https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90634
--- Comment #16 from Jonathan Wakely ---
Author: redi
Date: Wed Jun 26 15:12:15 2019
New Revision: 272697
URL: https://gcc.gnu.org/viewcvs?rev=272697&root=gcc&view=rev
Log:
PR libstdc++/90634 reduce allocations in filesystem::path construction
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90634
--- Comment #15 from baltic <1000hz.radiowave at gmail dot com> ---
(In reply to Jonathan Wakely from comment #14)
> It's true that the standard does not require path::iterator to be usable in
> generic algorithms that expect forward iterators or
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90634
Jonathan Wakely changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90634
--- Comment #13 from Jonathan Wakely ---
Author: redi
Date: Tue May 28 20:48:31 2019
New Revision: 271719
URL: https://gcc.gnu.org/viewcvs?rev=271719&root=gcc&view=rev
Log:
PR libstdc++/90634 reduce allocations in filesystem::path construction
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90634
--- Comment #12 from Jonathan Wakely ---
Author: redi
Date: Tue May 28 19:39:48 2019
New Revision: 271717
URL: https://gcc.gnu.org/viewcvs?rev=271717&root=gcc&view=rev
Log:
PR libstdc++/90634 reduce allocations in filesystem::path construction
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90634
--- Comment #11 from Jonathan Wakely ---
Author: redi
Date: Tue May 28 16:08:51 2019
New Revision: 271712
URL: https://gcc.gnu.org/viewcvs?rev=271712&root=gcc&view=rev
Log:
Fix check for root-directory path and add tests
PR libstdc++/90
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90634
--- Comment #10 from Jonathan Wakely ---
Author: redi
Date: Tue May 28 14:57:35 2019
New Revision: 271710
URL: https://gcc.gnu.org/viewcvs?rev=271710&root=gcc&view=rev
Log:
PR libstdc++/90634 reduce allocations in filesystem::path construction
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90634
--- Comment #9 from baltic <1000hz.radiowave at gmail dot com> ---
(In reply to Jonathan Wakely from comment #8)
> The libc++ implementation also fails this test:
As i've shown before, neither of those are failures. By the current C++
standard a
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90634
--- Comment #8 from Jonathan Wakely ---
Yes, I'm well aware what the standard says, I reported
https://wg21.link/lwg2674
I consider it a mistake for the standard to say "these are bidirectional
iterators, except they're not, but it's OK because
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90634
--- Comment #7 from baltic <1000hz.radiowave at gmail dot com> ---
(In reply to Jonathan Wakely from comment #5)
> So don't store them as filesystem::path objects then, store them as strings
> and create a path as needed.
Type system is here for
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90634
Jonathan Wakely changed:
What|Removed |Added
Target Milestone|9.0 |8.4
--- Comment #6 from Jonathan Wakel
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90634
--- Comment #5 from Jonathan Wakely ---
(In reply to baltic from comment #3)
> (In reply to Jonathan Wakely from comment #2)
>
> > I'm not sure where the repeated 72 allocations come from, and can't check
> > the code right now, but the new cod
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90634
--- Comment #4 from baltic <1000hz.radiowave at gmail dot com> ---
besides the 269 bytes you have mentioned, is still x10 overhead for a 20 chars
string. and massively adds up, if you store a lot objects.
for example, when i go around home folder
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90634
baltic <1000hz.radiowave at gmail dot com> changed:
What|Removed |Added
Status|RESOLVED|UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90634
Jonathan Wakely changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90634
--- Comment #1 from Jonathan Wakely ---
The path type was rewritten for GCC 9, and now prints:
allocating 21 bytes
allocating 248 bytes
about to quit.
total allocated 269 bytes
freed 248 bytes
freed 21 bytes
The 21 bytes is for the native() str
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