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VS-RK3288板卡RK3399 关于GPU和CPU性能

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  • TA的每日心情

    2018-11-30 11:03
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    [LV.5]常住居民I

    发表于 2018-11-26 10:09:41 | 显示全部楼层 |阅读模式
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    VS-RK3288板卡RK3399 关于GPU和CPU性能
    为了VS-RK3399达到最好的性能,需要将CPU 及GPU 定频,特别是GPU。
    CPU 定频方法参考:
    cat /sys/devices/system/cpu/cpu4/cpufreq/scaling_available_frequencies
    echo "userspace" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
    echo "1416000" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed
    echo "userspace" > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor
    echo "1416000" > /sys/devices/system/cpu/cpu1/cpufreq/scaling_setspeed
    echo "userspace" > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor
    echo "1416000" > /sys/devices/system/cpu/cpu2/cpufreq/scaling_setspeed
    echo "userspace" > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor
    echo "1416000" > /sys/devices/system/cpu/cpu3/cpufreq/scaling_setspeed
    echo "userspace" > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor
    echo "1800000" > /sys/devices/system/cpu/cpu4/cpufreq/scaling_setspeed
    echo "userspace" > /sys/devices/system/cpu/cpu5/cpufreq/scaling_governor
    echo "1800000" > /sys/devices/system/cpu/cpu5/cpufreq/scaling_setspeed
    GPU 定频方法参考:
    echo "userspace" >/sys/devices/platform/ff9a0000.gpu/devfreq/ff9a0000.gpu/governor
    echo "800000000" >/sys/devices/platform/ff9a0000.gpu/devfreq/ff9a0000.gpu/userspace/set_freq
    cat /sys/devices/platform/ff9a0000.gpu/devfreq/ff9a0000.gpu/cur_freq

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