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Streamline performance counter G715: $MaliCoreInstructionsNarrowInstructions

Swapnil Ghanshyala

Hi, I recently saw the new instruction counter, and wanted to know which unit handles Narrow instructions : FMA, CVT or SFU?

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  • +1

    All of them =)

    This counter is intended to give developers feedback about how well their shaders are using mediump/relaxed precision. It increments for every 8-bit and 16-bit instruction executed, no matter which pipe it executes in. 

    You can compute the percentage of narrow instructions as "narrow / (FMA + CVT + SFU)".

    HTH, 
    Pete

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  • +1

    All of them =)

    This counter is intended to give developers feedback about how well their shaders are using mediump/relaxed precision. It increments for every 8-bit and 16-bit instruction executed, no matter which pipe it executes in. 

    You can compute the percentage of narrow instructions as "narrow / (FMA + CVT + SFU)".

    HTH, 
    Pete

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