static void MiniBatchGradientDescent()
{
string dataDirectory = "C:\\Dropbox\\Private\\Stanford\\CS246\\Homeworks\\HW4\\Q1\\HW4-q1\\";
GradientDescent gd = new MiniBatchGradientDescent(dataDirectory + "features.txt", dataDirectory + "target.txt");
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
var results = gd.Iterate();
stopwatch.Stop();
using (System.IO.StreamWriter file = new System.IO.StreamWriter("C:\\Dropbox\\Private\\Stanford\\CS246\\Homeworks\\HW4\\Q1\\output\\MBGD.txt"))
{
file.WriteLine(" k \t Cost\t\t Time\n---\t----------------\t----------");
Console.WriteLine(" k \t Cost\t\t Time\n---\t----------------\t----------");
foreach (var result in results)
{
file.WriteLine("{0}\t{1}\t{2}", result.Item1.ToString().PadLeft(3), result.Item2.ToString().PadRight(16), FormatSeconds(result.Item3.TotalSeconds));
if (result.Item1 % 10 == results.Count % 10)
{
Console.WriteLine("{0}\t{1}\t{2}", result.Item1.ToString().PadLeft(3), result.Item2.ToString().PadRight(16), FormatSeconds(result.Item3.TotalSeconds));
}
}
}
Console.WriteLine("\nMini Batch Gradient Descent Complete.\n# of Iterations = " + results.Count + "\nTotal Time = " + stopwatch.Elapsed + "\n");
}
static void MiniBatchGradientDescent()
{
string dataDirectory = "C:\\Dropbox\\Private\\Stanford\\CS246\\Homeworks\\HW4\\Q1\\HW4-q1\\";
GradientDescent gd = new MiniBatchGradientDescent(dataDirectory + "features.txt", dataDirectory + "target.txt");
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
var results = gd.Iterate();
stopwatch.Stop();
using (System.IO.StreamWriter file = new System.IO.StreamWriter("C:\\Dropbox\\Private\\Stanford\\CS246\\Homeworks\\HW4\\Q1\\output\\MBGD.txt"))
{
file.WriteLine(" k \t Cost\t\t Time\n---\t----------------\t----------");
Console.WriteLine(" k \t Cost\t\t Time\n---\t----------------\t----------");
foreach (var result in results)
{
file.WriteLine("{0}\t{1}\t{2}", result.Item1.ToString().PadLeft(3), result.Item2.ToString().PadRight(16), FormatSeconds(result.Item3.TotalSeconds));
if (result.Item1 % 10 == results.Count % 10)
{
Console.WriteLine("{0}\t{1}\t{2}", result.Item1.ToString().PadLeft(3), result.Item2.ToString().PadRight(16), FormatSeconds(result.Item3.TotalSeconds));
}
}
}
Console.WriteLine("\nMini Batch Gradient Descent Complete.\n# of Iterations = " + results.Count + "\nTotal Time = " + stopwatch.Elapsed + "\n");
}