[Bug libstdc++/94268] std::filebuf is extremely (at least 10x) slow on windows compared to Linux. Even much slower MSVC STL with terrible ABI.
euloanty at live dot com
gcc-bugzilla@gcc.gnu.org
Mon May 25 00:23:10 GMT 2020
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94268
--- Comment #10 from fdlbxtqi <euloanty at live dot com> ---
What about adding another check when BUFSIZ is smaller than 4KB? If it is
smaller than 4kb, adjust the filebuf size to 4kb at least.
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