public void CouldTryGetBlockSingleChunkBench()
{
var count = (int)TestUtils.GetBenchCount(50_000_000, 50_000);
var rounds = TestUtils.GetBenchCount(20, 2);
// for this test capacity is irrelevant - interpolation search hits exact position on first try
var capacity = count / 100;
var bc = new BaseContainer <long>();
var rm = BuffersTestHelper.CreateFilledRM(capacity);
var vs = RetainedVec.Create(rm, 0, rm.Length);
var block = DataBlock.Create(rowIndex: vs, rowLength: capacity);
bc.Data = block;
for (int r = 0; r < rounds; r++)
{
using (Benchmark.Run("TryGetBlock", count))
{
var m = count / capacity;
for (int _ = 0; _ < m; _++)
{
for (long i = 0; i < capacity; i++)
{
var ival = vs.UnsafeReadUnaligned <long>((IntPtr)i);
var ival2 = vs.UnsafeReadUnaligned <long>((IntPtr)capacity - 1);
var ival3 = Unsafe.Add <long>(ref vs.UnsafeGetRef <long>(), capacity - 1);
var ival4 = Unsafe.Add <long>(ref (bc.Data as DataBlock).RowKeys.UnsafeGetRef <long>(), capacity - 1);
var found = bc.TryGetBlock(i, out var c, out var ci);
if (!found ||
!ReferenceEquals(block, c) ||
i != ci
)
{
Assert.Fail();
}
}
}
}
}
Benchmark.Dump();
bc.Dispose();
}
public void CouldTryFindBlockAtSingleChunkBench()
{
var count = (int)TestUtils.GetBenchCount(50_000_000, 50_000);
var rounds = TestUtils.GetBenchCount(20, 2);
// for this test capacity is irrelevant - interpolation search hits exact position on first try
var capacity = count / 100;
var bc = new BaseContainer <long>();
var rm = BuffersTestHelper.CreateFilledRM(capacity);
var vs = RetainedVec.Create(rm, 0, rm.Length);
var block = DataBlock.Create(rowIndex: vs, rowLength: capacity);
bc.Data = block;
for (int r = 0; r < rounds; r++)
{
using (Benchmark.Run("TryFindChunkAt", count))
{
var m = count / capacity;
for (int _ = 0; _ < m; _++)
{
for (long i = 1; i < capacity; i++)
{
var searchIndexRef = i;
var found = bc.TryFindBlockAt(ref searchIndexRef, Lookup.LE, out var c, out var ci);
if (!found ||
!ReferenceEquals(block, c) ||
i != ci ||
i != searchIndexRef
)
{
Assert.Fail();
}
}
}
}
}
Benchmark.Dump();
bc.Dispose();
}
public void CouldTryGetBlockAtSingleChunk()
{
var capacity = 100;
var bc = new BaseContainer <int>();
var rm = BuffersTestHelper.CreateFilledRM(capacity);
var vs = RetainedVec.Create(rm, 0, rm.Length);
var block = DataBlock.Create(rowIndex: vs, rowLength: vs.Vec.Length / 2);
bc.Data = block;
var searchIndex = 40;
var found = bc.TryGetBlockAt(searchIndex, out var dataBlock, out var ci);
Assert.IsTrue(found);
Assert.AreSame(block, dataBlock);
Assert.AreEqual(searchIndex, ci);
bc.Dispose();
}
public void CouldTryFindBlockAtSingleChunk()
{
var capacity = 100;
var bc = new BaseContainer <long>();
var rm = BuffersTestHelper.CreateFilledRM(capacity);
var vs = RetainedVec.Create(rm, 0, rm.Length);
var block = DataBlock.Create(rowIndex: vs, rowLength: vs.Vec.Length / 2);
bc.Data = block;
var searchIndex = 40L;
var searchIndexRef = searchIndex;
var found = bc.TryFindBlockAt(ref searchIndexRef, Lookup.LT, out var c, out var ci);
Assert.IsTrue(found);
Assert.AreSame(block, c);
Assert.AreEqual(searchIndex - 1, ci);
Assert.AreEqual(searchIndex - 1, searchIndexRef);
bc.Dispose();
}
