Python speed on Solaris 10

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  • Chris Miles
    #1

    Python speed on Solaris 10

    I have found that the sunfreeware.com build of Python 2.4.3 for Solaris
    10 is faster than one I can build myself, on the same system.
    sunfreeware.com doesn't bother showing the options they used to
    configure and build the software, so does anyone know what the optimal
    build options are for Solaris 10 (x86)?

    Here are some pybench/pystone results, and I include the same comparison
    of Python2.4.3 running on CentOS 4.3 on the same hardware (which is what
    prompted me to find a faster Python build in the first place).

    Python 2.4.3:
    System pybench Pystone (pystones/s)
    --------------------------------------------------------
    Sol10 my build 3836.00 ms 37313.4
    Sol10 sunfreeware 3235.00 ms 43859.6
    CentOS 3569.00 ms 44247.8


    My build:
    Python 2.4.3 (#1, Oct 15 2006, 16:00:33)
    [GCC 3.4.3 (csl-sol210-3_4-branch+sol_rpat h)] on sunos5

    sunfreeware.com build:
    Python 2.4.3 (#1, Jul 31 2006, 05:14:51)
    [GCC 3.4.6] on sunos5

    My build on CentOS 4.3:
    Python 2.4.3 (#1, Jul 19 2006, 17:52:43)
    [GCC 3.4.5 20051201 (Red Hat 3.4.5-2)] on linux2


    is the difference purely gcc minor version?


    --
    http://chrismiles.info/


    Tags: None
    • casevh@comcast.net
      #2
      Re: Python speed on Solaris 10


      Chris Miles wrote:
      I have found that the sunfreeware.com build of Python 2.4.3 for Solaris
      10 is faster than one I can build myself, on the same system.
      sunfreeware.com doesn't bother showing the options they used to
      configure and build the software, so does anyone know what the optimal
      build options are for Solaris 10 (x86)?
      >
      Here are some pybench/pystone results, and I include the same comparison
      of Python2.4.3 running on CentOS 4.3 on the same hardware (which is what
      prompted me to find a faster Python build in the first place).
      >
      Python 2.4.3:
      System pybench Pystone (pystones/s)
      --------------------------------------------------------
      Sol10 my build 3836.00 ms 37313.4
      Sol10 sunfreeware 3235.00 ms 43859.6
      CentOS 3569.00 ms 44247.8
      >
      >
      My build:
      Python 2.4.3 (#1, Oct 15 2006, 16:00:33)
      [GCC 3.4.3 (csl-sol210-3_4-branch+sol_rpat h)] on sunos5
      >
      sunfreeware.com build:
      Python 2.4.3 (#1, Jul 31 2006, 05:14:51)
      [GCC 3.4.6] on sunos5
      >
      My build on CentOS 4.3:
      Python 2.4.3 (#1, Jul 19 2006, 17:52:43)
      [GCC 3.4.5 20051201 (Red Hat 3.4.5-2)] on linux2
      >
      >
      is the difference purely gcc minor version?
      I noticed that speed difference, too. After running ./configure, I
      edited the resulting Makefile to pass "-march=athlon-mp" to the C
      compiler. ./configure seems to ignore CFLAGS, for example, so I just
      edited Makefile to suit my environment. You should set the values
      appropriate for you system, of course.

      I've also compiled Python using the Sun Studio compiler. Some tests
      were faster, some tests were slower.

      casevh
      --
      http://chrismiles.info/

        Comment

        • Chris Miles
          #3
          Re: Python speed on Solaris 10

          Since my post I have compiled Python 2.4.3 with Sun Studio 11 with
          "-fast" option (on Solaris 10) which has produced the fastest version of
          Python I've been able to test on this hardware, including the CentOS
          Linux version (which I'm pleased about).

          I haven't looked into more optimal gcc build options yet, so that may
          produce a faster build, but I am probably satisfied with what Sun Studio
          has given me for now.

          Cheers,
          Chris

          casevh@comcast. net wrote:
          I noticed that speed difference, too. After running ./configure, I
          edited the resulting Makefile to pass "-march=athlon-mp" to the C
          compiler. ./configure seems to ignore CFLAGS, for example, so I just
          edited Makefile to suit my environment. You should set the values
          appropriate for you system, of course.
          >
          I've also compiled Python using the Sun Studio compiler. Some tests
          were faster, some tests were slower.
          --
          http://chrismiles.info/


            Comment

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