public void CouldAddWitDefaultMathProvider()
{
var sm = new SortedMap <DateTime, double>(4000);
var count = 10000;
for (int i = 0; i < count; i++)
{
sm.Add(DateTime.UtcNow.Date.AddSeconds(i), i);
}
sm.IsMutable = false;
var sw = new Stopwatch();
sw.Start();
var sum = 0.0;
for (int rounds = 0; rounds < 1000; rounds++)
{
var bmvc = new BatchMapValuesCursor <DateTime, double, double>(sm.GetCursor, (v) =>
{
//Thread.SpinWait(50);
//var fakeSum = 0;
//for (int i = 0; i < 100; i++) {
// fakeSum += i;
//}
//fakeSum = 0;
return(v + 3.1415926);
}, MathProviderSample); //
//var bmvc = new MapCursor<DateTime, double, double>(sm.GetCursor, (k,v) => Math.Log(v)) as ICursor<DateTime, double>; //
while (bmvc.MoveNext())
{
sum += bmvc.CurrentValue;
}
}
sw.Stop();
Console.WriteLine("Elapsed msec: {0}", sw.ElapsedMilliseconds);
Console.WriteLine("Ops: {0}", Math.Round(0.000001 * count * 1000 * 1000.0 / (sw.ElapsedMilliseconds * 1.0), 2));
Console.WriteLine(sum);
var c = 0;
//foreach (var kvp in sm2) {
// Assert.AreEqual(c + 1, kvp.Value);
// c++;
//}
}
public void CouldMoveNextWithoutBatching() {
var sm = new SortedMap<DateTime, double>();
var count = 1000;
for (int i = 0; i < count; i++) {
sm.Add(DateTime.UtcNow.Date.AddSeconds(i), i);
}
sm.IsMutable = false;
var bmvc = new BatchMapValuesCursor<DateTime, double, double>(sm.GetCursor, (v) => v + 1.0);
var c = 0;
while (c < 500 && bmvc.MoveNext()) {
Assert.AreEqual(c + 1.0, bmvc.CurrentValue);
c++;
}
while (bmvc.MoveNext(CancellationToken.None).Result) { // Setting IsMutable to false allows us to skip this check: c < 1000 &&
Assert.AreEqual(c + 1.0, bmvc.CurrentValue);
c++;
}
Assert.AreEqual(count, c);
}
public void CouldMovePreviousWithoutBatching() {
var sm = new SortedMap<DateTime, double>();
var count = 1000;
for (int i = 0; i < count; i++) {
sm.Add(DateTime.UtcNow.Date.AddSeconds(i), i);
}
sm.IsMutable = false;
var bmvc = new BatchMapValuesCursor<DateTime, double, double>(sm.GetCursor, (v) => v + 1.0);
var c = 0;
while (c < 500 && bmvc.MoveNext()) {
Assert.AreEqual(c + 1.0, bmvc.CurrentValue);
c++;
}
c--;
while (bmvc.MovePrevious()) {
c--;
Assert.AreEqual(c + 1.0, bmvc.CurrentValue);
}
Assert.AreEqual(0, c);
}
public void CouldAddWitDefaultMathProvider() {
var sm = new SortedMap<DateTime, double>(4000);
var count = 10000;
for (int i = 0; i < count; i++) {
sm.Add(DateTime.UtcNow.Date.AddSeconds(i), i);
}
sm.IsMutable = false;
var sw = new Stopwatch();
sw.Start();
var sum = 0.0;
for (int rounds = 0; rounds < 1000; rounds++) {
var bmvc = new BatchMapValuesCursor<DateTime, double, double>(sm.GetCursor, (v) =>
{
//Thread.SpinWait(50);
//var fakeSum = 0;
//for (int i = 0; i < 100; i++) {
// fakeSum += i;
//}
//fakeSum = 0;
return v + 3.1415926;
}, MathProviderSample); //
//var bmvc = new MapCursor<DateTime, double, double>(sm.GetCursor, (k,v) => Math.Log(v)) as ICursor<DateTime, double>; //
while (bmvc.MoveNext()){
sum += bmvc.CurrentValue;
}
}
sw.Stop();
Console.WriteLine("Elapsed msec: {0}", sw.ElapsedMilliseconds);
Console.WriteLine("Ops: {0}", Math.Round(0.000001 * count * 1000 * 1000.0 / (sw.ElapsedMilliseconds * 1.0), 2));
Console.WriteLine(sum);
var c = 0;
//foreach (var kvp in sm2) {
// Assert.AreEqual(c + 1, kvp.Value);
// c++;
//}
}
public void CouldAddWithYeppMathProvider() {
var sm = new SortedChunkedMap<DateTime, double>();
var count = 1000;
for (int i = 0; i < count; i++) {
sm.Add(DateTime.UtcNow.Date.AddSeconds(i), i);
}
var sw = new Stopwatch();
sw.Start();
var sum = 0.0;
for (int rounds = 0; rounds < 10000; rounds++) {
var bmvc = new BatchMapValuesCursor<DateTime, double, double>(sm.GetCursor,
(v) => v + 3.1415926, YeppMathProviderSample); //
while (bmvc.MoveNext()) {
sum += bmvc.CurrentValue;
}
}
sw.Stop();
Console.WriteLine("Elapsed msec: {0}", sw.ElapsedMilliseconds);
Console.WriteLine("Ops: {0}", Math.Round(0.000001 * count * 10000 * 1000.0 / (sw.ElapsedMilliseconds * 1.0), 2));
Console.WriteLine(sum);
var c = 0;
//foreach (var kvp in sm2)
//{
// Assert.AreEqual(c + 1, kvp.Value);
// c++;
//}
}
public void CouldMoveAtWithBatching() {
var sm = new SortedMap<DateTime, double>();
var count = 1000;
for (int i = 0; i < count; i++) {
sm.Add(DateTime.UtcNow.Date.AddSeconds(i), i);
}
sm.IsMutable = false;
var bmvc = new BatchMapValuesCursor<DateTime, double, double>(sm.GetCursor, (v) => v + 1.0, this.IncrementMap);
var c = 0;
while (c < 500 && bmvc.MoveNext()) {
Assert.AreEqual(c + 1.0, bmvc.CurrentValue);
c++;
}
c--;
while (bmvc.MoveAt(DateTime.UtcNow.Date.AddSeconds(c), Lookup.EQ)) {
Assert.AreEqual(c + 1.0, bmvc.CurrentValue);
c--;
}
Assert.AreEqual(-1, c);
}
public void CouldMoveNextAsyncWithBatching() {
var sm = new SortedMap<DateTime, double>();
var count = 1000;
for (int i = 0; i < count; i++) {
sm.Add(DateTime.UtcNow.Date.AddSeconds(i), i);
}
sm.IsMutable = true; // will mutate after the first batch
Task.Run(() => {
Thread.Sleep(1000);
for (int i = count; i < count * 2; i++) {
sm.Add(DateTime.UtcNow.Date.AddSeconds(i), i);
//Thread.Sleep(50);
}
sm.IsMutable = false; // stop mutating
//Console.WriteLine("Set immutable");
});
var bmvc = new BatchMapValuesCursor<DateTime, double, double>(sm.GetCursor, (v) => v * 10.0, this.MultiplyMap);
var c = 0;
while (c < 5 && bmvc.MoveNext()) {
Assert.AreEqual(c * 10.0, bmvc.CurrentValue);
c++;
}
while (bmvc.MoveNext(CancellationToken.None).Result) {
Assert.AreEqual(c * 10.0, bmvc.CurrentValue);
Console.WriteLine("Value: " + bmvc.CurrentValue);
c++;
}
Assert.AreEqual(2 * count, c);
}
