Date: Mon, 26 Feb 2001 09:32:34 -0600 From: Greg Lehey <grog@lemis.com> To: Vladimir Kushnir <vkushnir@Alfacom.net> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Linux binaries run faster under native ?! Message-ID: <20010226093234.B15164@sydney.worldwide.lemis.com> In-Reply-To: <Pine.BSF.4.33.0102260014040.75204-100000@kushnir1.kiev.ua>; from vkushnir@Alfacom.net on Mon, Feb 26, 2001 at 12:19:35AM %2B0200 References: <Pine.BSF.4.33.0102260014040.75204-100000@kushnir1.kiev.ua>
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On Monday, 26 February 2001 at 0:19:35 +0200, Vladimir Kushnir wrote: > Hi all, > What could be a reason for such a strange behaviour? I've tried a program > (some calculations in FORTRAN) as a natove binary and as a Linux binary. > Compiled right here, with g77 from linux_devtools port. Result: it takes >> 410s as a FreeBSD binary and ~310s as a Linux one. Compiler/linker > flags were all the same, in both cases compiled as static. Any clues? You'd need profiling to find out the reason for that. But I'd guess it's probably a library issue. If you're really interested, compare the appearance of the object files, which should theoretically be identical. Greg -- When replying to this message, please copy the original recipients. If you don't, I may ignore the reply. For more information, see http://www.lemis.com/questions.html Finger grog@lemis.com for PGP public key See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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