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Why didn't mali864 perform better than mali764?

yueliu

Why didn't mali864 perform better than mali764?

hello, I encountered a problem recently:

In EGL_BUFFER_PRESERVED model, under exactly the same hardware condition(CPU, memory, GPU frequency..), it appeared that mali864 only showed half the performance compared with mali764.

for mali864 I used android 6.0.1 in 64bit and the GPU driver version is r12p0-04rel0;

for mali764 I used android 4.4.2 in 32bit and the GPU driver version is r4p1-02dev0;

so, here are the questions:

1.what may be the reason why this happen?

2.would a newer GPU driver help?

3.what can I do to fix this?

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  • +1 Arm Employee Badge in reply to yueliu

    That message shouldn't impact anything.

    However I'm pretty sure that if you're seeing those messages and the memory histogram at all, you're running a debug build of the driver, which may explain the performance issues you are seeing. Can you try a release build?

    If you are a licensee (which would make sense if you are using debug builds of the driver), you make get a faster response to your questions via support@arm.com.

    Cheers,
    Pete

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  • +1 Arm Employee Badge in reply to yueliu

    That message shouldn't impact anything.

    However I'm pretty sure that if you're seeing those messages and the memory histogram at all, you're running a debug build of the driver, which may explain the performance issues you are seeing. Can you try a release build?

    If you are a licensee (which would make sense if you are using debug builds of the driver), you make get a faster response to your questions via support@arm.com.

    Cheers,
    Pete

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