[daip] Re: hold the phone... cannot duplicate results w/31DEC05?!

[Eric Greisen]

Chuck - thanks for your help

imager-a  two-cpu RedHat 9, 2.8 GHz

Feb 12-15, 2005

                       DDTL    Y2KL            Y2KH
                       -----   ------------    --------------
     Intel compiler    35-37   367 (5.6 cpu)   3999 (51.7 cpu)
     GNU 3.2.3         35-36   406 (6.2 cpu)   4291 (57.5 cpu)

Intel ifort

    LDOPTS
        LINK="-lsvml -Vaxlib -L/usr/local/lib -O2 -static-libcxa -ipo
        -ipo_obj -mp -save -align all"

    FDEFAULT
       COMPSWIT="-c -ipo -ipo_obj -mp -save -align all"   -O2

failed multiple places:
      COMPSWIT="-c -axW -tpp7 -w90 -w95 -cm -Vaxlib" -O3

Large:
      'IMAGE'           12.51021      15.5272846
      'IMBEAM'          13.8133907    16.6641827
      'APCLN'            8.6894121    16.303606
      'APRES'           18.8541527    25.3497066
      'IMCLN'            8.2102966    16.095602
      'VTESS'           15.3197641    23.2284279
      'VTESSC'          16.5436554    20.9282799

Huge:
     'IMAGE'           12.3370695    16.2363644
     'IMBEAM'          14.5625334    17.3706837
     'IMRES1'           0.8243259     7.2863975
     'IMRES2'           3.1568356     8.0619717
     'IMRES3'           3.233546      7.6534648
     'IMCLN'            6.7935491    15.6584816
     'VTESS'            6.7058768    17.8032131
     'VTESSC'          11.1551638    19.0201111

Bits of accuracy probably okay (The IMRES are not expected to be high)
but the huge cleans could be better...

Performance is not enough to justify switching from GNU in my opinion.

Eric Greisen