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[Bug libstdc++/80826] Compilation Time for many of std::map insertions
- From: "redi at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 19 May 2017 12:52:40 +0000
- Subject: [Bug libstdc++/80826] Compilation Time for many of std::map insertions
- Auto-submitted: auto-generated
- References: <bug-80826-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80826
--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Using -fno-var-tracking-assignments helps too.
Inserting the right type:
TOTAL : 291.54 1.14 293.25 1237034 kB
Range-insert from an array of the right type:
TOTAL : 98.59 0.75 99.54 821507 kB