Date: Tue, 24 May 2005 22:56:09 +0200 From: Bohdan Horst <nexus@hoth.amu.edu.pl> To: Kris Kennaway <kris@obsecurity.org> Cc: freebsd-stable@freebsd.org Subject: Re: Performance of 4.x vs 5.x (nbench results) Message-ID: <20050524205609.GC35326@aristo> In-Reply-To: <20050524202118.GB28257@xor.obsecurity.org> References: <20050524193117.GA35326@aristo> <20050524193707.GA11906@xor.obsecurity.org> <20050524201701.GB35326@aristo> <20050524202118.GB28257@xor.obsecurity.org>
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On Tue, May 24, 2005 at 01:21:19PM -0700, Kris Kennaway wrote: > On Tue, May 24, 2005 at 10:17:01PM +0200, Bohdan Horst wrote: > > On Tue, May 24, 2005 at 12:37:08PM -0700, Kris Kennaway wrote: > > > > > OK, it might be trustable..but you're still testing gcc 2/gcc 3 as > pointed out by another poster. If you use the same 4.x binaries on > both machines it might be better. NUMERIC SORT: 4.11= 499.52 494.31 5.4= 451.26 449.7 5.4O= 491.66 492.53 STRING SORT: 4.11= 24.13 24.11 5.4= 25.286 25.294 5.4O= 24.206 24.213 BITFIELD(e+8) 4.11= 1.133 1.1319 5.4= 1.1239 1.1239 5.4O= 1.1358 1.1358 FP EMULATION 4.11= 18.951 18.755 5.4= 25.044 25.029 5.4O= 18.818 18.818 FOURIER 4.11= 5361 5356.3 5.4= 5076.3 5076.3 5.4O= 5577 5577 ASSIGNMENT 4.11= 5.4795 5.4469 5.4= 5.8986 5.8968 5.4O= 5.481 5.4763 IDEA 4.11= 595.23 592.13 5.4= 660.65 660.65 5.4O= 593.91 593.83 HUFFMAN 4.11= 332.47 330.91 5.4= 409.06 408.95 5.4O= 333.16 333.16 NEURAL NET 4.11= 7.0374 6.9882 5.4= 7.2976 7.2955 5.4O= 7.033 7.0201 LU DECOMP. 4.11= 225.94 226.76 5.4= 211.56 210.84 5.4O= 219.41 220.15 original: INTEGER INDEX 4.11= 12.305 12.238 5.4= 13.409 13.400 5.4O= 12.275 12.277 FLOATING-POINT 4.11= 9.309 9.296 5.4= 9.052 9.041 5.4O= 9.339 9.344 new: MEMORY INDEX 4.11= 3.321 3.313 5.4= 3.448 3.448 5.4O= 3.328 3.327 INTEGER INDEX 4.11= 2.895 2.873 5.4= 3.271 3.268 5.4O= 2.878 2.880 FLOATING-POINT 4.11= 5.163 5.156 5.4= 5.020 5.014 5.4O= 5.180 5.182 (5.4O == 4.11 binary on 5.4R) almost identical speed :) regards -- Bohdan 'Nexus' Horst
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