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  1. JDK
  2. JDK-4942189

Tiger b24 J2DBench_Image Tests are much slower than 1.4.2

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      Java Version: 1.5.0-beta-b24, b23 and b22
      Platforms: win2003, winXP, sparc8, IA9 and AMD64

      System Infomation:
        1. windows 2003
           host name: bunt.sfbay AMD 64-based PC, 2 CUPs
           video cards: gateway VX900 on standand VGA Graphics Adapter
                        1024X768 pixels, High 32 bit
        2. windows XP-pro SP1 5.1.2600
           host name: hasselblad.sfbay Dell Precision workstation 340
           video cards: Dell M990 on nVidia Quadro 2 Ex
                        1024X768 pixels, High 32 bit
        3. RHAS21 2.4.9-2 24
           host name: inclusion.sfbay Dell Precision 420
           video cards: nVidia RIVA TNT 2
        4. solaris-sparc 8 Generic_108528-23
           host name: aditi.sfbay ultra 10, sun4u
           video cards: creator 3D
        5. solaris-IA9 generic_112234-07
           host name: daikon.sfbay SunCoblat LX50 i86PC
           Desktop: CDE1.5.4, X11 version 6.6.1

      Problems:
      The J2DBench tests (some Image tests) are much solwer than 1.4.2-b28 in tiger 1.5.0-beta-b24, b23, and b22.
      1.5.0-beta-b20 is OK in general.

      Please see attached the html files for each platform's score and see which tests are much slower. Some tests are 90% slower than 1.4.2-b28.

      For Example, DrawImage test using 100x100 ICM8 Opaque image scaled 1.5x is 95% slower than 1.4.2 in winXP;
      DrawImage test using 100x100 xBGR Bitmask image without Scaling is 81% slower than 1.4.2 insparc8.



           
           

            serb Sergey Bylokhov
            ttzhang Tao Zhang
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