32-bit vs 64-bit - Ubuntu 12.04 LTS

Ubuntu 12.04 x86_64 64-bit vs. 32-bit performance on Intel Core i7 notebook. 32-bit Ubuntu Linux benchmarking was with the 32-bit and 32-bit PAE (Physical Address Extensions) kernels. Testing of 8 February Precise Pangolin development snapshot, all other software versions/configurations remained the same besides swapping the kernels. Testing for a future article on Phoronix.com by Michael Larabel.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1202086-BY-3264UBUNT30
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Unity 12.04 32-bit
February 08 2012
 
Ubuntu 12.04 32-bit PAE
February 08 2012
 
Ubuntu 12.04 64-bit
February 08 2012
 
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32-bit vs 64-bit - Ubuntu 12.04 LTS, "OpenArena 0.8.5 - Resolution: 1600 x 900", Higher Results Are Better "Ubuntu 12.04 64-bit",95.4,94.3,94.6 "Ubuntu 12.04 32-bit PAE",95.1,94.9,94.3 "Unity 12.04 32-bit",95.2,95.5,95.2 "x264 2011-12-06 - H.264 Video Encoding", Higher Results Are Better "Ubuntu 12.04 64-bit",58.05,58.98,58.84 "Ubuntu 12.04 32-bit PAE",51.05,51.11,50.57 "Unity 12.04 32-bit",51.17,51.11,51.2 "VP8 libvpx Encoding 0.9.7-p1 - vpxenc", Higher Results Are Better "Ubuntu 12.04 64-bit",9.76,10.11,9.8 "Ubuntu 12.04 32-bit PAE",8.74,8.8,8.89 "Unity 12.04 32-bit",9.06,9.11,9.16 "Himeno Benchmark 3.0 - Poisson Pressure Solver", Higher Results Are Better "Ubuntu 12.04 64-bit",1068.321672,1070.69471,1062.060537 "Ubuntu 12.04 32-bit PAE",850.835231,854.906643,849.959893 "Unity 12.04 32-bit",854.796018,850.847448,853.131506 "7-Zip Compression 9.20.1 - Compress Speed Test", Higher Results Are Better "Ubuntu 12.04 64-bit",8608,8886,8883 "Ubuntu 12.04 32-bit PAE",7691,7945,8041 "Unity 12.04 32-bit",8077,8008,7886 "Apache Benchmark 2.2.21 - Static Web Page Serving", Higher Results Are Better "Ubuntu 12.04 64-bit",13421.84,13518.18,13658.74 "Ubuntu 12.04 32-bit PAE",13720.07,13668.52,13570.2 "Unity 12.04 32-bit",10461.39,11101.11,10588.86 "OpenSSL 1.0.0e - RSA 4096-bit Performance", Higher Results Are Better "Ubuntu 12.04 64-bit",42.1,41.9,41.9,42.1 "Ubuntu 12.04 32-bit PAE",19.1,19,19.1,19.1 "Unity 12.04 32-bit",19,19.1,19.1,19 "PostMark 1.51 - Disk Transaction Performance", Higher Results Are Better "Ubuntu 12.04 64-bit",3125,3125,3125,3125,3125 "Ubuntu 12.04 32-bit PAE",595,581,581,581,595 "Unity 12.04 32-bit",595,581,595,581,581 "C-Ray 1.1 - Total Time", Lower Results Are Better "Ubuntu 12.04 64-bit",107.086,107.102,107.023 "Ubuntu 12.04 32-bit PAE",173.652,173.861,173.773 "Unity 12.04 32-bit",173.799,173.895,173.984 "Smallpt 1.0 - Global Illumination Renderer; 100 Samples", Lower Results Are Better "Ubuntu 12.04 64-bit",246,246,245 "Ubuntu 12.04 32-bit PAE",298,297,298 "Unity 12.04 32-bit",298,298,299 "LAME MP3 Encoding 3.99.3 - WAV To MP3", Lower Results Are Better "Ubuntu 12.04 64-bit",22.877841949463,22.972263097763,22.948337078094,22.800312042236,22.98419213295 "Ubuntu 12.04 32-bit PAE",25.940540075302,25.995827913284,25.893217086792,25.866678953171,25.905673980713 "Unity 12.04 32-bit",25.92916893959,26.016914844513,25.841511964798,25.968917131424,25.798491954803 "Timed MAFFT Alignment 6.864 - Multiple Sequence Alignment", Lower Results Are Better "Ubuntu 12.04 64-bit",31.04812502861,30.989963054657,30.929630041122 "Ubuntu 12.04 32-bit PAE",38.606887102127,38.755171060562,38.888336896896 "Unity 12.04 32-bit",38.741880893707,38.706962823868,38.610994100571 "Timed HMMer Search 2.3.2 - Pfam Database Search", Lower Results Are Better "Ubuntu 12.04 64-bit",27.90494799614,27.825625896454,27.760591030121 "Ubuntu 12.04 32-bit PAE",35.643686056137,35.745896816254,35.830270051956 "Unity 12.04 32-bit",35.507905960083,35.697442054749,35.673503875732 "Timed MrBayes Analysis 3.1.2 - Primate Phylogeny Analysis", Lower Results Are Better "Ubuntu 12.04 64-bit",34.737630844116,35.097607135773,34.987174034119 "Ubuntu 12.04 32-bit PAE",36.761551856995,37.035570144653,37.213825941086 "Unity 12.04 32-bit",36.99969291687,37.088618040085,37.108260154724