示例#1
0
        private void Assess(double[] outputlayer, int index)
        {
            outputlayer = ConvertFromBinaryToDouble(outputlayer);
            double[] attemptstats = new double[32];
            double[] overallstats = new double[32];

            //Add to buffer
            cb.Create(new CircleBufferEntry()
            {
                PrivateKey = dataSet[index].PrivateKey, PrivateKeyAttempt = outputlayer
            });

            //Calculate stats for current attempt
            for (int i = 0; i < 32; i++)
            {
                if ((int)outputlayer[i] == (int)dataSet[index].PrivateKey[i])
                {
                    attemptstats[i]++;
                }
            }

            //Check if there is any byte match between output and private key
            bool match = false;

            for (int i = 0; i < 32; i++)
            {
                if (attemptstats[i] > 0)
                {
                    match = true;
                }
            }

            //if there is a match then we are justified in broader assessment
            if (match)
            {
                //Calculate stats since last population crash
                CircleBufferEntry[] cbes = cb.Read();

                for (int i = 0; i < cbes.Length; i++)
                {
                    for (int j = 0; j < 32; j++)
                    {
                        if (cbes[i] != null)
                        {
                            if ((int)cbes[i].PrivateKey[j] == (int)cbes[i].PrivateKeyAttempt[j])
                            {
                                overallstats[j]++;
                            }
                        }
                        else  //if the buffer is not full yet, abort.
                        {
                            UpdateWeights();
                            return;
                        }
                    }
                }

                //Create a metric out of these stats
                double metric = 0;
                for (int i = 0; i < 32; i++)
                {
                    metric += overallstats[i];
                }

                //If there is no previous metric, create it, update weights and return
                if (oldMetric == double.MaxValue)
                {
                    oldMetric = metric;
                    UpdateWeights();
                    return;
                }

                //If the metric is less than the previous metric, either crash or increment deathrate
                if (metric < oldMetric)
                {
                    if (currentDeathRate > deathRate)
                    {
                        parentWeights.Clear();
                        currentDeathRate = 0;
                        UpdateWeights();
                        cb.Clear();
                        return;
                    }
                    else
                    {
                        currentDeathRate++;
                        UpdateWeights();
                        return;
                    }
                }
                else if (metric > oldMetric) //If it does exceed previous metric, we have an improvement, so print it out to the screen
                {
                    oldMetric = metric;
                    parentWeights.Clear();
                    parentWeights.Add(new double[] { 1, 2, 3 });

                    Console.WriteLine(string.Format("Metric: {32} - {0}, {1}, {2}, {3}, {4}, {5}, {6}, {7}, {8}, {9}, {10}, {11}, {12}, {13}, {14}, {15}, {16}, {17}, {18}, {19}, {20}, {21}, {22}, {23}, {24}, {25}, {26}, {27}, {28}, {29}, {30}, {31}", overallstats[0], overallstats[1], overallstats[2], overallstats[3], overallstats[4], overallstats[5], overallstats[6], overallstats[7], overallstats[8], overallstats[9], overallstats[10], overallstats[11], overallstats[12], overallstats[13], overallstats[14], overallstats[15], overallstats[16], overallstats[17], overallstats[18], overallstats[19], overallstats[20], overallstats[21], overallstats[22], overallstats[23], overallstats[24], overallstats[25], overallstats[26], overallstats[27], overallstats[28], overallstats[29], overallstats[30], overallstats[31], metric));

                    //Validation
                    //For validation we require fairly high numbers across all byte positions since the last crash.


                    return;
                }
                else //No change
                {
                    currentDeathRate++;
                    UpdateWeights();
                    return;
                }
            }
            else  //No match, so increment death rate
            {
                currentDeathRate++;
            }


            if (currentDeathRate > deathRate)
            {
                parentWeights.Clear();
                currentDeathRate = 0;
                UpdateWeights();
                cb.Clear();
                return;
            }
        }