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[Bug libstdc++/11378] New: Unbuffered sputn is slow
- From: "peturr02 at ru dot is" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 30 Jun 2003 10:48:30 -0000
- Subject: [Bug libstdc++/11378] New: Unbuffered sputn is slow
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11378
Summary: Unbuffered sputn is slow
Product: gcc
Version: 3.4
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libstdc++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: peturr02 at ru dot is
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: i686-pc-linux-gnu
GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu
basic_filebuf::sputn is much slower than fwrite for unbuffered output. It seems
that sputn calls write once for each character, but fwrite calls write only once.