[Bug 21423] Visual C++ 2005 slow?

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=21423





--- Comment #5 from Dan Kegel <dank at kegel.com>  2010-01-28 15:10:40 ---
Both the file open (where it's just a trivial C program
opening a lot of trivial files) and file include (where the program is
the C compiler compiling a lot of trivial files) benchmarks 
show about a 2x slowdown on Wine as opposed to Windows on
the same hardware (roughly 2 seconds vs. 1 second).

Adding a Sleep(0) to the beginning of CreateFile() in kernel32 did
not change the results much.  Adding Sleep(1) (which may
involve several wineserver round-trips) resulted in a 6x
slowdown in both benchmarks.

This seems consistent with "file opens are slow in Wine" and with
the high CPU report for wineserver in 'top' (which I guess is mostly
system time, judging by oprofile).

Well, well, Mr. Bond.  How do you expect to speed that up?

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