private void TestCountByDistinct(IEnumerable <uint> uniqueIdGenerator, int dataSize)
{
UnityEngine.Profiling.Profiler.BeginSample("bit counting");
var data = new NativeArray <uint>(dataSize, Allocator.Persistent);
var uniqueEntries = new Dictionary <uint, uint>();
var idGenerator = uniqueIdGenerator.GetEnumerator();
for (int i = 0; i < data.Length; i++)
{
idGenerator.MoveNext();
var idHere = idGenerator.Current;
if (!uniqueEntries.TryGetValue(idHere, out var cnt))
{
cnt = 0;
}
uniqueEntries[idHere] = cnt + 1;
data[i] = idHere;
}
var counter = new CountByDistinct(data, Allocator.Persistent);
var idCounts = counter.GetCounts();
var dependency = counter.Schedule();
dependency.Complete();
data.Dispose();
UnityEngine.Profiling.Profiler.EndSample();
using (idCounts)
{
foreach (var kvp in uniqueEntries)
{
if (!idCounts.TryGetValue(kvp.Key, out var countResult))
{
Assert.Fail($"Missing count for id: {kvp.Key}");
}
else
{
Assert.AreEqual(kvp.Value, countResult, $"Expected count for Id '{kvp.Key}' to be {kvp.Value} but was {countResult}");
}
}
}
}
public void PerformanceTestCountingBitsNoRuns()
{
var data = new NativeArray <uint>(1024 * 1024, Allocator.Persistent);
var uniqueEntries = new Dictionary <uint, uint>();
var idGenerator = RunSequenceGenerator(1, 0, 200).GetEnumerator();
for (int i = 0; i < data.Length; i++)
{
idGenerator.MoveNext();
var idHere = idGenerator.Current;
if (!uniqueEntries.TryGetValue(idHere, out var cnt))
{
cnt = 0;
}
uniqueEntries[idHere] = cnt + 1;
data[i] = idHere;
}
using (data)
{
NativeHashMap <uint, uint> idCounts = default;
Measure.Method(() =>
{
var counter = new CountByDistinct(data, Allocator.Persistent);
idCounts = counter.GetCounts();
counter.Schedule().Complete();
})
.CleanUp(() =>
{
idCounts.Dispose();
})
.WarmupCount(10)
.MeasurementCount(10)
.IterationsPerMeasurement(3)
.GC()
.Run();
}
}