Cygwin slow on x64 systems

Edward Lam edward@sidefx.com
Mon Aug 30 14:26:00 GMT 2010


On 8/30/2010 7:16 AM, Sagi Ben-Akiva wrote:
> For the last couple of weeks I'm trying to identify the cause for
> cygwin slowdown on x64 machines which was reported by David Morgan
> about 6 months ago.

You're my new hero. :)

> I then applied the changes one by one and built cygwin1.dll for each
> change, then I ran my test script again for each cygwin1.dll version
> and I found that the change to winsup/cygwin/dcrt0.cc from
> '2006/03/12 23:57:03' introduce this issue.

For anyone interested in this, it's revision 1.288 of dcrt0.cc
Web CVS link:
http://cygwin.com/cgi-bin/cvsweb.cgi/src/winsup/cygwin/dcrt0.cc?cvsroot=src

-Edward

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