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@ -2914,22 +2914,15 @@ static void autotune (hc_device_param_t *device_param)
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}
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}
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// sometimes we're in a bad situation that the algorithm is so slow that we can not
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// create enough kernel_accel to do both, keep the gpu busy and stay below target_ms.
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// however, we need to have a minimum kernel_accel and kernel_loops of 32.
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// luckily, at this level of workload, it became a linear function
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// balancing the workload turns out to be very efficient
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if (kernel_accel < 32 || kernel_loops < 32)
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{
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const u32 kernel_power = kernel_accel * kernel_loops;
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// find sqrt
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const u32 kernel_power_balance = kernel_accel * kernel_loops;
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u32 sqrtv;
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for (sqrtv = 1; sqrtv < 0x100000; sqrtv++)
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{
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if ((sqrtv * sqrtv) >= kernel_power) break;
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if ((sqrtv * sqrtv) >= kernel_power_balance) break;
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}
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const u32 kernel_accel_try = sqrtv;
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@ -2940,7 +2933,6 @@ static void autotune (hc_device_param_t *device_param)
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kernel_accel = kernel_accel_try;
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kernel_loops = kernel_loops_try;
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}
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}
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// reset fake words
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