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Edward Lam wrote: > On Wed, June 24, 2009 17:29, Larry Hall (Cygwin) wrote: >> Sure, we all know that Cygwin provides Linux emulation and suffers some >> overhead for it. But timings from an individual machine can be >> misleading. >> Running this through multiple times for both Mingw and Cygwin 1.7 on my >> similarly equipped machine, I see Cygwin is somewhere between 1.7 and 2.25 >> times slower. Whether yours or my result is more typical, I can't say. >> But as you noted, neither data set provides much justification for the >> results reported. > > Larry, > > Are you on 32-bit Windows or 64-bit Windows? I've noted on this mailing > list earlier that there are large speed differences between the two. I > wonder which platform Gene is on. The tr test results are consistent on > Windows 64-bit for me. Good point. My test was run against 32-bit Windows. Gene's cygcheck output says he's running 32-bit Windows as well. > I don't quite understand what MINGW32 is doing that makes it ~2 times > faster than cygwin. It has to do with what it doesn't do. But I think the more interesting issue is what's making things _so_ slow in some of his builds. -- Larry Hall http://www.rfk.com RFK Partners, Inc. (508) 893-9779 - RFK Office 216 Dalton Rd. (508) 893-9889 - FAX Holliston, MA 01746 _____________________________________________________________________ A: Yes. > Q: Are you sure? >> A: Because it reverses the logical flow of conversation. >>> Q: Why is top posting annoying in email? -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
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