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cygwin vfork
- To: cygwin at cygwin dot com
- Subject: cygwin vfork
- From: Charles Wilson <cwilson at ece dot gatech dot edu>
- Date: Mon, 12 Nov 2001 13:45:01 -0500
Seen on the XEmacs list:
> In general the cygwin build is slower, I think this is for 3 main
> reasons:
>
> 1) gcc optimization is not as good as MSVC
> 2) The cygwin portability layer adds a lot of overhead especially
> wrt file handling.
> 3) The cygwin implementation of fork-and-exec doesn't jive well with
> the VM size of xemacs. Supposedly a real vfork is in the works for
> cygwin but I can't attest to its functionality.
Does #3 make any sense? I thought we *had* a real vfork...perhaps it
doesn't work well with large apps? Or is the author just blowing smoke?
--Chuck
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