Date: Mon, 28 Nov 2005 01:23:58 +0530 From: Subhro <subhro.kar@gmail.com> To: Kim Culhan <w8hdkim@gmail.com> Cc: stable@FreeBSD.org Subject: Re: Stable Worldstones - Intel P4 vs AMD Message-ID: <438A0ED6.2050105@gmail.com> In-Reply-To: <89dbfdc30511271135p28ad8fbfv63d226194cb4cba7@mail.gmail.com> References: <89dbfdc30511271135p28ad8fbfv63d226194cb4cba7@mail.gmail.com>
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Kim Culhan sat at his 'puter and typed on 11/28/2005 1:05: > Running -Stable make world with recent Intel and AMD hardware > yielded some interesting results. > > One machine: > > CPU: AMD Athlon(tm) 64 Processor 3200+ (2010.31-MHz 686-class CPU) > Origin = "AuthenticAMD" Id = 0x20ff0 Stepping = 0 > > Other machine: > > CPU: Intel(R) Pentium(R) 4 CPU 3.60GHz (3600.12-MHz 686-class CPU) > Origin = "GenuineIntel" Id = 0xf34 Stepping = 4 > > The Intel machine had hyperthreading disabled in the bios. > > kernel config for both machines was GENERIC > > Running 'make world' several times on FreeBSD 6.0-STABLE from > 11-26-05 a couple of representative timings were: > > AMD Athlon 64 > > 45:42 > > 45:19 > > > Intel P4 > > 55:22 > > 54:57 > > > Are there any optimizations for the P4 which might be added to the GENERIC > kernel config to improve the performance ? > > -kim > > -- > w8hdkim err gmail.com > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > > Let us have a look at /etc/make.conf. BTW, my *personal* opinion is AMD implements much better pipelining and concurrent processing compared to the Intel platform. So what you see is not something entirely unexpected. Thanks S. -- ------------------------------------------------------------------- \ / | Subhro Sankha Kar \./ | GSM: +919831010002 -- Fax: +919831832913 (0Y0) | MSN: subhro@subhro.org -- Yahoo!: subhro82 -ooO--(_)--Ooo-----------------------------------------------------
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