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  • 1.  Does AIX 5.3 supports SMT4 on Power7?

    Posted Wed September 08, 2010 05:24 AM

    Originally posted by: SystemAdmin


    Does anyone know that AIX 5.3 supports SMT 4 on Power7? if not what is the AIX requirement to get SMT 4

    -Unix Engineer
    usyseng (at) gmail (dot) com
    #AIX-Forum


  • 2.  Re: Does AIX 5.3 supports SMT4 on Power7?

    Posted Wed September 08, 2010 07:49 AM

    Originally posted by: unixgrl


    Per the Power7 redbooks, Power7 will run in Power6 mode under AIX 5.3 which means
    you don't get the SMT4 feature. You need AIX 6.1 TL4 SP3 minimum to take advantage of all the new features.
    #AIX-Forum


  • 3.  Re: Does AIX 5.3 supports SMT4 on Power7?

    Posted Wed September 08, 2010 07:52 AM

    Originally posted by: MarkTaylor


    AIX 6.1 TL4 SP2+ (GA) or AIX 7.1+

    HTH
    Mark Taylor
    #AIX-Forum


  • 4.  Re: Does AIX 5.3 supports SMT4 on Power7?

    Posted Wed September 08, 2010 07:53 AM

    Originally posted by: MarkTaylor


    6.1 TL4 SP2 will run Power7 mode FYI ..
    #AIX-Forum


  • 5.  Re: Does AIX 5.3 supports SMT4 on Power7?

    Posted Thu September 09, 2010 02:27 AM

    Originally posted by: SystemAdmin


    No ,with this setup Power7 & AIX 5.3 , SMT2 is only applicable.
    #AIX-Forum


  • 6.  Re: Does AIX 5.3 supports SMT4 on Power7?

    Posted Wed February 02, 2011 06:31 PM

    Originally posted by: miadam


    Can we still expect some performance gain if we upgrade from P6 (5.0 Ghz) to P7 (3.7 Ghz)/AIX 5.3 (let suppose a constant CPU/RAM config)?
    #AIX-Forum


  • 7.  Re: Does AIX 5.3 supports SMT4 on Power7?

    Posted Wed February 02, 2011 09:29 PM

    Originally posted by: cggibbo


    Maybe not from a processor perspective but the memory bandwidth on a POWER7 system is greater than that of a POWER6 system.

    Does anyone from IBM wish to comment? Cheers.
    #AIX-Forum


  • 8.  Re: Does AIX 5.3 supports SMT4 on Power7?

    Posted Mon February 07, 2011 06:25 AM

    Originally posted by: MarkTaylor


    Well, that would wholly depend on exactly what your severs are doing right ?? if you want a carte blanche generic open ended answer then you might want to google for "rPerf"

    HTH
    Mark Taylor
    #AIX-Forum


  • 9.  Re: Does AIX 5.3 supports SMT4 on Power7?

    Posted Mon February 07, 2011 03:45 PM

    Originally posted by: miadam


    The workload is an Oracle DB Enterprise that is 80/20 in term of CPU/IO related workload servicing. Clear that rPerf is not the only aspect but it give a hint for CPU bound related load.
    Thanks all for your replies.
    #AIX-Forum


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