https://bugs.winehq.org/show_bug.cgi?id=56867 Bug ID: 56867 Summary: dynamic_cast too slow on wine compared to windows Product: Wine Version: unspecified Hardware: x86-64 OS: Linux Status: UNCONFIRMED Severity: normal Priority: P2 Component: msvcp Assignee: wine-bugs(a)winehq.org Reporter: euloanty(a)live.com Distribution: --- Herb Sutter said dynamic cast was using string comparison and now it is not. So the performance of dynamic cast becomes MUCH faster. Same program with static link with microsoft's own library. $ wine ./cout.exe coutfd:0.1162809s u=10000000 wine DLL implementation: $ wine ./cout.exe coutfd:0.4995548s u=10000000 The overhead is 5x at least -- Do not reply to this email, post in Bugzilla using the above URL to reply. You are receiving this mail because: You are watching all bug changes.