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https://github.com/hashcat/hashcat
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Fix for 100% CPU burning loop workaround for slow hashes
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8abc42e346
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@ -988,7 +988,12 @@ struct __hc_device_param
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uint exec_pos;
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double exec_ms[EXEC_CACHE];
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double exec_prev;
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// workaround cpu spinning
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double exec_us_prev1;
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double exec_us_prev2;
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double exec_us_prev3;
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// this is "current" speed
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@ -2470,26 +2470,39 @@ static void run_kernel (const uint kern_run, hc_device_param_t *device_param, co
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if (data.devices_status == STATUS_RUNNING)
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{
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usleep (device_param->exec_prev * 1000);
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switch (kern_run)
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{
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case KERN_RUN_1: usleep (device_param->exec_us_prev1); break;
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case KERN_RUN_2: usleep (device_param->exec_us_prev2); break;
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case KERN_RUN_3: usleep (device_param->exec_us_prev3); break;
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}
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}
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hc_clWaitForEvents (data.ocl, 1, &event);
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if (event_update)
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{
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cl_ulong time_start;
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cl_ulong time_end;
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hc_clGetEventProfilingInfo (data.ocl, event, CL_PROFILING_COMMAND_START, sizeof (time_start), &time_start, NULL);
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hc_clGetEventProfilingInfo (data.ocl, event, CL_PROFILING_COMMAND_END, sizeof (time_end), &time_end, NULL);
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const double exec_time = (double) (time_end - time_start) / 1000000.0;
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const double exec_us = (double) (time_end - time_start) / 1000;
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if (data.devices_status == STATUS_RUNNING)
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{
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switch (kern_run)
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{
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case KERN_RUN_1: device_param->exec_us_prev1 = exec_us; break;
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case KERN_RUN_2: device_param->exec_us_prev2 = exec_us; break;
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case KERN_RUN_3: device_param->exec_us_prev3 = exec_us; break;
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}
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}
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if (event_update)
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{
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uint exec_pos = device_param->exec_pos;
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device_param->exec_ms[exec_pos] = exec_time;
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device_param->exec_prev = exec_time;
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device_param->exec_ms[exec_pos] = exec_us / 1000;
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exec_pos++;
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@ -3120,6 +3133,10 @@ static void autotune (hc_device_param_t *device_param)
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memset (device_param->exec_ms, 0, EXEC_CACHE * sizeof (double));
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device_param->exec_us_prev1 = 0;
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device_param->exec_us_prev2 = 0;
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device_param->exec_us_prev3 = 0;
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// store
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device_param->kernel_accel = kernel_accel;
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