protected void Page_Load(object sender, EventArgs e)
{
var result = new List<ForLoopResourcesResult>();
var theData = new List<string>();
for (int i = 0; i < 9999999; i++)
theData.Add("Item" + i);
int MaxLoop = 5;
var S1 = new ForLoopResourcesResult() { Description = "Storing the count in a variable", Duration = 0, MemoryUsage=0 };
result.Add(S1);
for (int Loop = 0; Loop < MaxLoop; Loop++)
{
using (var tOp = new TimeOperation())
{
long MemoryStart = System.GC.GetTotalMemory(false);
var Count = theData.Count;
for (int i = 0; i < Count; i++)
{
string s = theData[i];
}
S1.Duration += tOp.Stop();
long MemoryEnd = System.GC.GetTotalMemory(false);
S1.MemoryUsage += MemoryEnd - MemoryStart;
}
}
System.Threading.Thread.Sleep(5000);
System.GC.Collect();
System.Threading.Thread.Sleep(5000);
var S2 = new ForLoopResourcesResult() { Description = "Normal For Loop", Duration = 0, MemoryUsage=0 };
result.Add(S2);
for (int Loop = 0; Loop < MaxLoop; Loop++)
{
using (var tOp = new TimeOperation())
{
long MemoryStart = System.GC.GetTotalMemory(false);
for (int i = 0; i < theData.Count; i++)
{
string s = theData[i];
}
S2.Duration += tOp.Stop();
long MemoryEnd = System.GC.GetTotalMemory(false);
S1.MemoryUsage += MemoryEnd - MemoryStart;
}
}
System.Threading.Thread.Sleep(5000);
System.GC.Collect();
System.Threading.Thread.Sleep(5000);
var S3 = new ForLoopResourcesResult() { Description = "Using List.ForEach", Duration = 0, MemoryUsage=0 };
result.Add(S3);
for (int Loop = 0; Loop < MaxLoop; Loop++)
{
using (var tOp = new TimeOperation())
{
long MemoryStart = System.GC.GetTotalMemory(false);
theData.ForEach(delegate(string str) { string s = str; });
long MemoryEnd = System.GC.GetTotalMemory(false);
S1.MemoryUsage += MemoryEnd - MemoryStart;
S3.Duration += tOp.Stop();
}
}
System.Threading.Thread.Sleep(5000);
System.GC.Collect();
result.ForEach(delegate(ForLoopResourcesResult obj) { obj.Duration = obj.Duration / MaxLoop; });
GV.DataSource = result;
GV.DataBind();
}
protected void Page_Load(object sender, EventArgs e)
{
var oArrayList = new ArrayList();
var oList = new List<int>();
var oHashTable = new Hashtable();
var oDictionary = new Dictionary<int, int>();
var results = new List<ComparisonObj>();
/*
* Create a new Comparison Object
* a Comparison object stores the various parameters which we want to monitor
*/
var coArrayList = new ComparisonObj() { Description = "ArrayList"};
results.Add(coArrayList);
//ArrayList
for (int Loop = 0; Loop < MaxLoops; Loop++)
{
oArrayList = new ArrayList();
//Insert items to the array List
using (var tOps = new TimeOperation())
{
for (int i = 0; i < MaxElements; i++)
oArrayList.Add(i);
coArrayList.Duration_Insert += tOps.Stop();
}
//Iterate thru all items in the array list
using (var tOps = new TimeOperation())
{
foreach (object o in oArrayList)
{
int i = (int)o;
}
coArrayList.Duration_Iterate += tOps.Stop();
}
//Seek the middle number in the arraylist
using (var tOps = new TimeOperation())
{
oArrayList.Contains(MaxElements / 2);
coArrayList.Duration_Search += tOps.Stop();
}
oArrayList.Clear();
}
System.Threading.Thread.Sleep(5000);
var coList = new ComparisonObj() { Description = "List"};
results.Add(coList);
for (int Loop = 0; Loop < MaxLoops; Loop++)
{
oList = new List<int>();
using (var tOps = new TimeOperation())
{
for (int i = 0; i < MaxElements; i++)
oList.Add(i);
coList.Duration_Insert += tOps.Stop();
}
using (var tOps = new TimeOperation())
{
foreach (var o in oList)
{
int i = o;
}
coList.Duration_Iterate += tOps.Stop();
}
using (var tOps = new TimeOperation())
{
oList.Contains(MaxElements / 2);
coList.Duration_Search += tOps.Stop();
}
oList.Clear();
}
System.Threading.Thread.Sleep(5000);
var coHashTable = new ComparisonObj() { Description = "HashTable" };
results.Add(coHashTable);
for (int Loop = 0; Loop < MaxLoops; Loop++)
{
oHashTable = new Hashtable();
using (var tOps = new TimeOperation())
{
for (int i = 0; i < MaxElements; i++)
oHashTable.Add(i, i);
coHashTable.Duration_Insert += tOps.Stop();
}
using (var tOps = new TimeOperation())
{
foreach (object o in oHashTable.Keys)
{
int i = (int)oHashTable[o];
}
coHashTable.Duration_Iterate += tOps.Stop();
}
using (var tOps = new TimeOperation())
{
oHashTable.ContainsKey(MaxElements / 2);
coHashTable.Duration_Search += tOps.Stop();
}
oHashTable.Clear();
}
System.Threading.Thread.Sleep(5000);
var coDictionary = new ComparisonObj() { Description = "Dictionary" };
results.Add(coDictionary);
for (int Loop = 0; Loop < MaxLoops; Loop++)
{
oDictionary = new Dictionary<int, int>();
using (var tOps = new TimeOperation())
{
for (int i = 0; i < MaxElements; i++)
oDictionary.Add(i, i);
coDictionary.Duration_Insert += tOps.Stop();
}
using (var tOps = new TimeOperation())
{
foreach (var o in oDictionary.Keys)
{
int i = (int)oDictionary[o];
}
coDictionary.Duration_Iterate += tOps.Stop();
}
using (var tOps = new TimeOperation())
{
oDictionary.ContainsKey(MaxElements / 2);
coDictionary.Duration_Search += tOps.Stop();
}
oHashTable.Clear();
}
System.Threading.Thread.Sleep(5000);
foreach (var o in results)
{
o.Duration_Insert = o.Duration_Insert / MaxLoops;
o.Duration_Iterate = o.Duration_Iterate / MaxLoops;
o.Duration_Search = o.Duration_Search / MaxLoops;
}
GV.DataSource = results;
GV.DataBind();
}
protected void Page_Load(object sender, EventArgs e)
{
var results = new List<StringBuilderResults>();
int MaxLoops = 5;
int MaxIterations = 10000;
var r1 = new StringBuilderResults() { Description = "StringBuilder", MemoryUsage = 0, Duration = 0, TotalExceptions = 0 };
results.Add(r1);
for (int Loop = 0; Loop < MaxLoops; Loop++)
{
long memoryStart = System.GC.GetTotalMemory(false);
using (var tOp = new TimeOperation())
{
try
{
var sb = new StringBuilder();
for (int i = 0; i < MaxIterations; i++)
{
sb.Append(i.ToString());
}
}
catch (Exception ex)
{
r1.TotalExceptions++;
r1.AddException(ex);
}
r1.Duration += tOp.Stop();
}
long memoryEnd = System.GC.GetTotalMemory(false);
r1.MemoryUsage += memoryEnd - memoryStart;
}
System.Threading.Thread.Sleep(5000);
System.GC.Collect();
System.Threading.Thread.Sleep(5000);
var r2 = new StringBuilderResults() { Description = "String Concat", MemoryUsage = 0, Duration = 0, TotalExceptions = 0 };
results.Add(r2);
for (int Loop = 0; Loop < MaxLoops; Loop++)
{
long memoryStart = System.GC.GetTotalMemory(false);
using (var tOp = new TimeOperation())
{
try
{
var sb = "";
for (int i = 0; i < MaxIterations; i++)
{
sb = sb + i.ToString();
}
}
catch (Exception ex)
{
r2.TotalExceptions++;
r2.AddException(ex);
}
r2.Duration += tOp.Stop();
}
long memoryEnd = System.GC.GetTotalMemory(false);
r2.MemoryUsage += memoryEnd - memoryStart;
}
System.Threading.Thread.Sleep(5000);
System.GC.Collect();
results.ForEach(delegate(StringBuilderResults r) { r.Duration = r.Duration / MaxLoops; r.MemoryUsage = r.MemoryUsage / MaxLoops; });
GV.DataSource = results;
GV.DataBind();
}
protected void Page_Load(object sender, EventArgs e)
{
var results = new List<DisposingResourcesResult>();
var yDispose = new DisposingResourcesResult() { Description = "Disposing objects", MemoryUsage=0, Duration=0, TotalExceptions=0 };
results.Add(yDispose);
var cmd = new SqlCommand();
cmd.CommandText = "select * from Address";
int MaxLoops = 5;
int MaxIterations = 100;
for (int Loop = 0; Loop < MaxLoops; Loop++)
{
long memoryStart = System.GC.GetTotalMemory(false);
using (var tOp = new TimeOperation())
{
try
{
for (int i = 0; i < MaxIterations; i++)
{
using (var db = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["AdventureWorksConnectionString"].ConnectionString))
{
db.Open();
cmd.Connection = db;
using (var r = cmd.ExecuteReader())
{
while (r.Read())
{
}
}
}
}
}
catch (Exception ex)
{
yDispose.TotalExceptions++;
yDispose.AddException(ex);
}
yDispose.Duration += tOp.Stop();
}
long memoryEnd = System.GC.GetTotalMemory(false);
yDispose.MemoryUsage += memoryEnd - memoryStart;
}
System.GC.Collect();
var nDispose = new DisposingResourcesResult() { Description = "NOT Disposing objects", MemoryUsage = 0, Duration = 0, TotalExceptions = 0 };
results.Add(nDispose);
for (int Loop = 0; Loop < MaxLoops; Loop++)
{
long memoryStart = System.GC.GetTotalMemory(false);
using (var tOp = new TimeOperation())
{
for (int i = 0; i < MaxIterations; i++)
{
try
{
var db = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["AdventureWorksConnectionString"].ConnectionString);
db.Open();
cmd.Connection = db;
using (var r = cmd.ExecuteReader())
{
while (r.Read())
{
}
}
}
catch (Exception ex)
{
nDispose.TotalExceptions++;
nDispose.AddException(ex);
}
}
nDispose.Duration += tOp.Stop();
}
long memoryEnd = System.GC.GetTotalMemory(false);
nDispose.MemoryUsage += memoryEnd - memoryStart;
}
System.GC.Collect();
results.ForEach(delegate(DisposingResourcesResult r) { r.Duration = r.Duration / MaxLoops; r.MemoryUsage = r.MemoryUsage / MaxLoops; });
GV.DataSource = results;
GV.DataBind();
}