public void IncrementTestBurstVsNonBurst()
{
// Arrange
const int totalTestLoops = 10000;
const int elementQuantity = 100000000;
var originals = new float[elementQuantity];
var nativeComponentArray = new NativeArray <FloatComponent>(elementQuantity, Allocator.Temp);
var nativeComponentArrayForBurst = new NativeArray <FloatComponent>(elementQuantity, Allocator.Temp);
for (var index = 0; index < elementQuantity; index++)
{
var value = Random.Range(-100f, 100f);
originals[index] = value;
var floatComponent = new FloatComponent {
Value = value
};
nativeComponentArray[index] = floatComponent;
nativeComponentArrayForBurst[index] = floatComponent;
}
// Act
// ParallelFor
var jobWatch = Stopwatch.StartNew();
var job = new NonBurstParallelIncrementJob
{
FloatComponents = nativeComponentArray,
};
var jobHandle = job.Schedule(elementQuantity, 128);
jobHandle.Complete();
jobWatch.Stop();
// ParallelFor Job with Burst
var burstWatch = Stopwatch.StartNew();
var burst = new BurstParallelIncrementJob
{
FloatComponents = nativeComponentArrayForBurst,
};
var burstJobHandle = burst.Schedule(elementQuantity, 128);
burstJobHandle.Complete();
burstWatch.Stop();
// Assert
Debug.Log("JobParallelFor took on average " +
(jobWatch.ElapsedMilliseconds / (float)totalTestLoops) + " milliseconds.");
Debug.Log("JobParallelFor with Burst took on average " +
(burstWatch.ElapsedMilliseconds / (float)totalTestLoops) + " milliseconds.");
Assert.True(burstWatch.ElapsedMilliseconds < jobWatch.ElapsedMilliseconds);
// Cleanup
nativeComponentArray.Dispose();
nativeComponentArrayForBurst.Dispose();
}
public void IncrementTestWithJobs()
{
// Arrange
const int totalTestLoops = 100;
const int elementQuantity = 1000000;
var originals = new float[elementQuantity];
var componentArray = new FloatComponent[elementQuantity];
var nativeComponentArray = new NativeArray <FloatComponent>(elementQuantity, Allocator.Temp);
var nativeComponentArrayForBurst = new NativeArray <FloatComponent>(elementQuantity, Allocator.Temp);
var referenceHashSet = new HashSet <ClassThatContainsBoxedFloat>();
for (var index = 0; index < elementQuantity; index++)
{
var value = Random.Range(-100f, 100f);
originals[index] = value;
componentArray[index].Value = value;
var floatComponent = new FloatComponent {
Value = value
};
nativeComponentArray[index] = floatComponent;
nativeComponentArrayForBurst[index] = floatComponent;
while (Random.value < 0.5f)
{
new ClassThatContainsBoxedFloat(Random.value);
}
referenceHashSet.Add(new ClassThatContainsBoxedFloat(value));
}
// Act
// ComponentArray
var structArrayWatch = Stopwatch.StartNew();
for (var loopCount = 0; loopCount < totalTestLoops; loopCount++)
{
for (var i = 0; i < componentArray.Length; i++)
{
componentArray[i].Value++;
}
}
structArrayWatch.Stop();
// Reference HashSet
var referenceHashSetWatch = Stopwatch.StartNew();
for (var loopCount = 0; loopCount < totalTestLoops; loopCount++)
{
foreach (var ClassThatContainsBoxedFloat in referenceHashSet)
{
ClassThatContainsBoxedFloat.Value++;
}
}
referenceHashSetWatch.Stop();
// ParallelFor
var jobWatch = Stopwatch.StartNew();
var job = new NonBurstParallelIncrementJob
{
FloatComponents = nativeComponentArray,
};
var jobHandle = job.Schedule(elementQuantity, 128);
jobHandle.Complete();
jobWatch.Stop();
// ParallelFor Job with Burst
var burstWatch = Stopwatch.StartNew();
var burst = new BurstParallelIncrementJob
{
FloatComponents = nativeComponentArrayForBurst,
};
var burstJobHandle = burst.Schedule(elementQuantity, 128);
burstJobHandle.Complete();
burstWatch.Stop();
// Assert
Debug.Log("Array of structs took on average " + (structArrayWatch.ElapsedMilliseconds / (float)totalTestLoops) +
" milliseconds.");
Debug.Log("HashSet of references took on average " +
(referenceHashSetWatch.ElapsedMilliseconds / (float)totalTestLoops) + " milliseconds.");
Debug.Log("JobParallelFor took on average " +
(jobWatch.ElapsedMilliseconds / (float)totalTestLoops) + " milliseconds.");
Debug.Log("JobParallelFor with Burst took on average " +
(burstWatch.ElapsedMilliseconds / (float)totalTestLoops) + " milliseconds.");
Assert.True(burstWatch.ElapsedMilliseconds < referenceHashSetWatch.ElapsedMilliseconds);
// Cleanup
nativeComponentArray.Dispose();
nativeComponentArrayForBurst.Dispose();
}