moving and small refactor of chunk blocks to prepare for builds api (#282)

4 files changed, 0 insertions, 997 deletions

diff --git a/src/zenstore/chunkedfile.cpp b/src/zenstore/chunkedfile.cpp
deleted file mode 100644
index f200bc1ec..000000000
--- a/src/zenstore/chunkedfile.cpp
+++ /dev/null
@@ -1,505 +0,0 @@
-// Copyright Epic Games, Inc. All Rights Reserved.
-
-#include <zencore/basicfile.h>
-#include <zenstore/chunkedfile.h>
-
-#include "chunking.h"
-
-ZEN_THIRD_PARTY_INCLUDES_START
-#include <tsl/robin_map.h>
-#include <gsl/gsl-lite.hpp>
-ZEN_THIRD_PARTY_INCLUDES_END
-
-namespace zen {
-
-namespace {
-	struct ChunkedHeader
-	{
-		static constexpr uint32_t ExpectedMagic	 = 0x646b6863;	// chkd
-		static constexpr uint32_t CurrentVersion = 1;
-
-		uint32_t Magic	 = ExpectedMagic;
-		uint32_t Version = CurrentVersion;
-		uint32_t ChunkSequenceLength;
-		uint32_t ChunkHashCount;
-		uint64_t ChunkSequenceOffset;
-		uint64_t ChunkHashesOffset;
-		uint64_t RawSize = 0;
-		IoHash	 RawHash;
-	};
-}  // namespace
-
-IoBuffer
-SerializeChunkedInfo(const ChunkedInfo& Info)
-{
-	size_t HeaderSize = RoundUp(sizeof(ChunkedHeader), 16) + RoundUp(sizeof(uint32_t) * Info.ChunkSequence.size(), 16) +
-						RoundUp(sizeof(IoHash) * Info.ChunkHashes.size(), 16);
-	IoBuffer HeaderData(HeaderSize);
-
-	ChunkedHeader Header;
-	Header.ChunkSequenceLength = gsl::narrow<uint32_t>(Info.ChunkSequence.size());
-	Header.ChunkHashCount	   = gsl::narrow<uint32_t>(Info.ChunkHashes.size());
-	Header.ChunkSequenceOffset = RoundUp(sizeof(ChunkedHeader), 16);
-	Header.ChunkHashesOffset   = RoundUp(Header.ChunkSequenceOffset + sizeof(uint32_t) * Header.ChunkSequenceLength, 16);
-	Header.RawSize			   = Info.RawSize;
-	Header.RawHash			   = Info.RawHash;
-
-	MutableMemoryView WriteView = HeaderData.GetMutableView();
-	{
-		MutableMemoryView HeaderWriteView = WriteView.Left(sizeof(Header));
-		HeaderWriteView.CopyFrom(MemoryView(&Header, sizeof(Header)));
-	}
-	{
-		MutableMemoryView ChunkSequenceWriteView = WriteView.Mid(Header.ChunkSequenceOffset, sizeof(uint32_t) * Header.ChunkSequenceLength);
-		ChunkSequenceWriteView.CopyFrom(MemoryView(Info.ChunkSequence.data(), ChunkSequenceWriteView.GetSize()));
-	}
-	{
-		MutableMemoryView ChunksWriteView = WriteView.Mid(Header.ChunkHashesOffset, sizeof(IoHash) * Header.ChunkHashCount);
-		ChunksWriteView.CopyFrom(MemoryView(Info.ChunkHashes.data(), ChunksWriteView.GetSize()));
-	}
-
-	return HeaderData;
-}
-
-ChunkedInfo
-DeserializeChunkedInfo(IoBuffer& Buffer)
-{
-	MemoryView	  View = Buffer.GetView();
-	ChunkedHeader Header;
-	{
-		MutableMemoryView HeaderWriteView(&Header, sizeof(Header));
-		HeaderWriteView.CopyFrom(View.Left(sizeof(Header)));
-	}
-	if (Header.Magic != ChunkedHeader::ExpectedMagic)
-	{
-		return {};
-	}
-	if (Header.Version != ChunkedHeader::CurrentVersion)
-	{
-		return {};
-	}
-	ChunkedInfo Info;
-	Info.RawSize = Header.RawSize;
-	Info.RawHash = Header.RawHash;
-	Info.ChunkSequence.resize(Header.ChunkSequenceLength);
-	Info.ChunkHashes.resize(Header.ChunkHashCount);
-	{
-		MutableMemoryView ChunkSequenceWriteView(Info.ChunkSequence.data(), sizeof(uint32_t) * Header.ChunkSequenceLength);
-		ChunkSequenceWriteView.CopyFrom(View.Mid(Header.ChunkSequenceOffset, ChunkSequenceWriteView.GetSize()));
-	}
-	{
-		MutableMemoryView ChunksWriteView(Info.ChunkHashes.data(), sizeof(IoHash) * Header.ChunkHashCount);
-		ChunksWriteView.CopyFrom(View.Mid(Header.ChunkHashesOffset, ChunksWriteView.GetSize()));
-	}
-
-	return Info;
-}
-
-void
-Reconstruct(const ChunkedInfo& Info, const std::filesystem::path& TargetPath, std::function<IoBuffer(const IoHash& ChunkHash)> GetChunk)
-{
-	BasicFile Reconstructed;
-	Reconstructed.Open(TargetPath, BasicFile::Mode::kTruncate);
-	BasicFileWriter ReconstructedWriter(Reconstructed, 64 * 1024);
-	uint64_t		Offset = 0;
-	for (uint32_t SequenceIndex : Info.ChunkSequence)
-	{
-		IoBuffer Chunk = GetChunk(Info.ChunkHashes[SequenceIndex]);
-		ReconstructedWriter.Write(Chunk.GetData(), Chunk.GetSize(), Offset);
-		Offset += Chunk.GetSize();
-	}
-}
-
-ChunkedInfoWithSource
-ChunkData(BasicFile& RawData, uint64_t Offset, uint64_t Size, ChunkedParams Params)
-{
-	ChunkedInfoWithSource							 Result;
-	tsl::robin_map<IoHash, uint32_t, IoHash::Hasher> FoundChunks;
-
-	ZenChunkHelper Chunker;
-	Chunker.SetUseThreshold(Params.UseThreshold);
-	Chunker.SetChunkSize(Params.MinSize, Params.MaxSize, Params.AvgSize);
-	size_t			End			   = Offset + Size;
-	const size_t	ScanBufferSize = 1u * 1024 * 1024;	// (Params.MaxSize * 9) / 3;//1 * 1024 * 1024;
-	BasicFileBuffer RawBuffer(RawData, ScanBufferSize);
-	MemoryView		SliceView = RawBuffer.MakeView(Min(End - Offset, ScanBufferSize), Offset);
-	ZEN_ASSERT(!SliceView.IsEmpty());
-	size_t		 SliceSize = SliceView.GetSize();
-	IoHashStream RawHashStream;
-	while (Offset < End)
-	{
-		size_t ScanLength = Chunker.ScanChunk(SliceView.GetData(), SliceSize);
-		if (ScanLength == ZenChunkHelper::kNoBoundaryFound)
-		{
-			if (Offset + SliceSize == End)
-			{
-				ScanLength = SliceSize;
-			}
-			else
-			{
-				SliceView = RawBuffer.MakeView(Min(End - Offset, ScanBufferSize), Offset);
-				SliceSize = SliceView.GetSize();
-				Chunker.Reset();
-				continue;
-			}
-		}
-		uint32_t   ChunkLength = gsl::narrow<uint32_t>(ScanLength);	 // +HashedLength);
-		MemoryView ChunkView   = SliceView.Left(ScanLength);
-		RawHashStream.Append(ChunkView);
-		IoHash ChunkHash = IoHash::HashBuffer(ChunkView);
-		SliceView.RightChopInline(ScanLength);
-		if (auto It = FoundChunks.find(ChunkHash); It != FoundChunks.end())
-		{
-			Result.Info.ChunkSequence.push_back(It->second);
-		}
-		else
-		{
-			uint32_t ChunkIndex = gsl::narrow<uint32_t>(Result.Info.ChunkHashes.size());
-			FoundChunks.insert_or_assign(ChunkHash, ChunkIndex);
-			Result.Info.ChunkHashes.push_back(ChunkHash);
-			Result.ChunkSources.push_back(ChunkSource{.Offset = Offset, .Size = ChunkLength});
-			Result.Info.ChunkSequence.push_back(ChunkIndex);
-		}
-
-		SliceSize = SliceView.GetSize();
-		Offset += ChunkLength;
-	}
-	Result.Info.RawSize = Size;
-	Result.Info.RawHash = RawHashStream.GetHash();
-	return Result;
-}
-
-}  // namespace zen
-
-#if ZEN_WITH_TESTS
-#	include <zencore/filesystem.h>
-#	include <zencore/fmtutils.h>
-#	include <zencore/iohash.h>
-#	include <zencore/logging.h>
-#	include <zencore/scopeguard.h>
-#	include <zencore/timer.h>
-#	include <zencore/testing.h>
-#	include <zencore/testutils.h>
-#	include <zencore/workthreadpool.h>
-
-#	include "chunking.h"
-
-ZEN_THIRD_PARTY_INCLUDES_START
-#	include <tsl/robin_map.h>
-#	include <tsl/robin_set.h>
-ZEN_THIRD_PARTY_INCLUDES_END
-
-namespace zen {
-#	if 0
-TEST_CASE("chunkedfile.findparams")
-{
-#		if 1
-	DirectoryContent SourceContent1;
-	GetDirectoryContent("E:\\Temp\\ChunkingTestData\\31379208", DirectoryContentFlags::IncludeFiles, SourceContent1);
-	const std::vector<std::filesystem::path>& SourceFiles1 = SourceContent1.Files;
-	DirectoryContent						  SourceContent2;
-	GetDirectoryContent("E:\\Temp\\ChunkingTestData\\31379208_2", DirectoryContentFlags::IncludeFiles, SourceContent2);
-	const std::vector<std::filesystem::path>& SourceFiles2 = SourceContent2.Files;
-#		else
-	std::filesystem::path SourcePath1 =
-		"E:\\Temp\\ChunkingTestData\\31375996\\ShaderArchive-FortniteGame_Chunk10-PCD3D_SM6-PCD3D_SM6.ushaderbytecode";
-	std::filesystem::path SourcePath2 =
-		"E:\\Temp\\ChunkingTestData\\31379208\\ShaderArchive-FortniteGame_Chunk10-PCD3D_SM6-PCD3D_SM6.ushaderbytecode";
-	const std::vector<std::filesystem::path>& SourceFiles1 = {SourcePath1};
-	const std::vector<std::filesystem::path>& SourceFiles2 = {SourcePath2};
-#		endif
-	ChunkedParams Params[] = {ChunkedParams{.UseThreshold = false, .MinSize = 17280, .MaxSize = 139264, .AvgSize = 36340},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 15456, .MaxSize = 122880, .AvgSize = 35598},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 16848, .MaxSize = 135168, .AvgSize = 39030},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 14256, .MaxSize = 114688, .AvgSize = 36222},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 15744, .MaxSize = 126976, .AvgSize = 36600},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 15264, .MaxSize = 122880, .AvgSize = 35442},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 16464, .MaxSize = 131072, .AvgSize = 37950},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 15408, .MaxSize = 122880, .AvgSize = 38914},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 15408, .MaxSize = 122880, .AvgSize = 35556},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 15360, .MaxSize = 122880, .AvgSize = 35520},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 15312, .MaxSize = 122880, .AvgSize = 35478},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 16896, .MaxSize = 135168, .AvgSize = 39072},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 15360, .MaxSize = 122880, .AvgSize = 38880},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 15840, .MaxSize = 126976, .AvgSize = 36678},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 16800, .MaxSize = 135168, .AvgSize = 38994},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 15888, .MaxSize = 126976, .AvgSize = 36714},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 15792, .MaxSize = 126976, .AvgSize = 36636},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 14880, .MaxSize = 118784, .AvgSize = 37609},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 15936, .MaxSize = 126976, .AvgSize = 36756},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 15456, .MaxSize = 122880, .AvgSize = 38955},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 15984, .MaxSize = 126976, .AvgSize = 36792},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 14400, .MaxSize = 114688, .AvgSize = 36338},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 14832, .MaxSize = 118784, .AvgSize = 37568},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 16944, .MaxSize = 135168, .AvgSize = 39108},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 14352, .MaxSize = 114688, .AvgSize = 36297},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 14208, .MaxSize = 114688, .AvgSize = 36188},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 14448, .MaxSize = 114688, .AvgSize = 36372},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 13296, .MaxSize = 106496, .AvgSize = 36592},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 15264, .MaxSize = 122880, .AvgSize = 38805},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 14304, .MaxSize = 114688, .AvgSize = 36263},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 14784, .MaxSize = 118784, .AvgSize = 37534},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 15312, .MaxSize = 122880, .AvgSize = 38839},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 14256, .MaxSize = 114688, .AvgSize = 39360},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 13776, .MaxSize = 110592, .AvgSize = 37976},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 14736, .MaxSize = 118784, .AvgSize = 37493},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 14928, .MaxSize = 118784, .AvgSize = 37643},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 14448, .MaxSize = 114688, .AvgSize = 39504},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 13392, .MaxSize = 106496, .AvgSize = 36664},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 13872, .MaxSize = 110592, .AvgSize = 38048},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 14352, .MaxSize = 114688, .AvgSize = 39432},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 13200, .MaxSize = 106496, .AvgSize = 36520},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 17328, .MaxSize = 139264, .AvgSize = 36378},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 17376, .MaxSize = 139264, .AvgSize = 36421},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 17424, .MaxSize = 139264, .AvgSize = 36459},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 17472, .MaxSize = 139264, .AvgSize = 36502},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 17520, .MaxSize = 139264, .AvgSize = 36540},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 17808, .MaxSize = 143360, .AvgSize = 37423},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 17856, .MaxSize = 143360, .AvgSize = 37466},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18000, .MaxSize = 143360, .AvgSize = 25834},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18000, .MaxSize = 143360, .AvgSize = 21917},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18000, .MaxSize = 143360, .AvgSize = 29751},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18000, .MaxSize = 143360, .AvgSize = 33668},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 17952, .MaxSize = 143360, .AvgSize = 37547},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 17904, .MaxSize = 143360, .AvgSize = 37504},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18336, .MaxSize = 147456, .AvgSize = 22371},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18000, .MaxSize = 143360, .AvgSize = 37585},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18336, .MaxSize = 147456, .AvgSize = 26406},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18384, .MaxSize = 147456, .AvgSize = 26450},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18528, .MaxSize = 147456, .AvgSize = 30615},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18336, .MaxSize = 147456, .AvgSize = 30441},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18384, .MaxSize = 147456, .AvgSize = 22417},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18528, .MaxSize = 147456, .AvgSize = 22557},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18432, .MaxSize = 147456, .AvgSize = 30528},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18816, .MaxSize = 151552, .AvgSize = 27112},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18528, .MaxSize = 147456, .AvgSize = 34644},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18336, .MaxSize = 147456, .AvgSize = 34476},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18816, .MaxSize = 151552, .AvgSize = 35408},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18432, .MaxSize = 147456, .AvgSize = 38592},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18384, .MaxSize = 147456, .AvgSize = 30483},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18528, .MaxSize = 147456, .AvgSize = 26586},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18432, .MaxSize = 147456, .AvgSize = 26496},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18864, .MaxSize = 151552, .AvgSize = 31302},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18384, .MaxSize = 147456, .AvgSize = 34516},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18816, .MaxSize = 151552, .AvgSize = 22964},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18864, .MaxSize = 151552, .AvgSize = 35448},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18480, .MaxSize = 147456, .AvgSize = 38630},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18864, .MaxSize = 151552, .AvgSize = 23010},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18816, .MaxSize = 151552, .AvgSize = 31260},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18480, .MaxSize = 147456, .AvgSize = 34600},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18864, .MaxSize = 151552, .AvgSize = 27156},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18480, .MaxSize = 147456, .AvgSize = 30570},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18384, .MaxSize = 147456, .AvgSize = 38549},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18480, .MaxSize = 147456, .AvgSize = 22510},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18528, .MaxSize = 147456, .AvgSize = 38673},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18432, .MaxSize = 147456, .AvgSize = 34560},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18432, .MaxSize = 147456, .AvgSize = 22464},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18480, .MaxSize = 147456, .AvgSize = 26540},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18336, .MaxSize = 147456, .AvgSize = 38511},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18912, .MaxSize = 151552, .AvgSize = 23057},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18912, .MaxSize = 151552, .AvgSize = 27202},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18912, .MaxSize = 151552, .AvgSize = 31347},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18912, .MaxSize = 151552, .AvgSize = 35492},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18960, .MaxSize = 151552, .AvgSize = 31389},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18960, .MaxSize = 151552, .AvgSize = 27246},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18960, .MaxSize = 151552, .AvgSize = 23103},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 18960, .MaxSize = 151552, .AvgSize = 35532},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19008, .MaxSize = 151552, .AvgSize = 23150},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19008, .MaxSize = 151552, .AvgSize = 27292},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19008, .MaxSize = 151552, .AvgSize = 31434},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19008, .MaxSize = 151552, .AvgSize = 35576},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19056, .MaxSize = 151552, .AvgSize = 27336},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19056, .MaxSize = 151552, .AvgSize = 23196},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19056, .MaxSize = 151552, .AvgSize = 31476},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19056, .MaxSize = 151552, .AvgSize = 35616},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19344, .MaxSize = 155648, .AvgSize = 27862},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19344, .MaxSize = 155648, .AvgSize = 32121},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19344, .MaxSize = 155648, .AvgSize = 23603},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19344, .MaxSize = 155648, .AvgSize = 36380},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19392, .MaxSize = 155648, .AvgSize = 27908},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19392, .MaxSize = 155648, .AvgSize = 23650},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19392, .MaxSize = 155648, .AvgSize = 32166},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19392, .MaxSize = 155648, .AvgSize = 36424},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19440, .MaxSize = 155648, .AvgSize = 23696},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19488, .MaxSize = 155648, .AvgSize = 32253},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19440, .MaxSize = 155648, .AvgSize = 32208},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19488, .MaxSize = 155648, .AvgSize = 23743},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19536, .MaxSize = 155648, .AvgSize = 36548},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19536, .MaxSize = 155648, .AvgSize = 28042},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19536, .MaxSize = 155648, .AvgSize = 23789},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19536, .MaxSize = 155648, .AvgSize = 32295},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19488, .MaxSize = 155648, .AvgSize = 36508},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19440, .MaxSize = 155648, .AvgSize = 27952},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19488, .MaxSize = 155648, .AvgSize = 27998},
-							  ChunkedParams{.UseThreshold = false, .MinSize = 19440, .MaxSize = 155648, .AvgSize = 36464}};
-
-	static const size_t				   ParamsCount = sizeof(Params) / sizeof(ChunkedParams);
-	std::vector<ChunkedInfoWithSource> Infos1(SourceFiles1.size());
-	std::vector<ChunkedInfoWithSource> Infos2(SourceFiles2.size());
-
-	WorkerThreadPool WorkerPool(32);
-
-	for (size_t I = 0; I < ParamsCount; I++)
-	{
-		for (int UseThreshold = 0; UseThreshold < 2; UseThreshold++)
-		{
-			Latch		  WorkLatch(1);
-			ChunkedParams Param = Params[I];
-			Param.UseThreshold	= UseThreshold == 1;
-			Stopwatch Timer;
-			for (size_t F = 0; F < SourceFiles1.size(); F++)
-			{
-				WorkLatch.AddCount(1);
-				WorkerPool.ScheduleWork([&WorkLatch, F, Param, &SourceFiles1, &Infos1]() {
-					auto	  _ = MakeGuard([&WorkLatch]() { WorkLatch.CountDown(); });
-					BasicFile SourceData1;
-					SourceData1.Open(SourceFiles1[F], BasicFile::Mode::kRead);
-					Infos1[F] = ChunkData(SourceData1, 0, SourceData1.FileSize(), Param);
-				});
-			}
-			for (size_t F = 0; F < SourceFiles2.size(); F++)
-			{
-				WorkLatch.AddCount(1);
-				WorkerPool.ScheduleWork([&WorkLatch, F, Param, &SourceFiles2, &Infos2]() {
-					auto	  _ = MakeGuard([&WorkLatch]() { WorkLatch.CountDown(); });
-					BasicFile SourceData2;
-					SourceData2.Open(SourceFiles2[F], BasicFile::Mode::kRead);
-					Infos2[F] = ChunkData(SourceData2, 0, SourceData2.FileSize(), Param);
-				});
-			}
-			WorkLatch.CountDown();
-			WorkLatch.Wait();
-			uint64_t ChunkTimeMS = Timer.GetElapsedTimeMs();
-
-			uint64_t			   Raw1Size = 0;
-			tsl::robin_set<IoHash> Chunks1;
-			size_t				   ChunkedSize1 = 0;
-			for (size_t F = 0; F < SourceFiles1.size(); F++)
-			{
-				const ChunkedInfoWithSource& Info = Infos1[F];
-				Raw1Size += Info.Info.RawSize;
-				for (uint32_t Chunk1Index = 0; Chunk1Index < Info.Info.ChunkHashes.size(); ++Chunk1Index)
-				{
-					const IoHash ChunkHash = Info.Info.ChunkHashes[Chunk1Index];
-					if (Chunks1.insert(ChunkHash).second)
-					{
-						ChunkedSize1 += Info.ChunkSources[Chunk1Index].Size;
-					}
-				}
-			}
-
-			uint64_t			   Raw2Size = 0;
-			tsl::robin_set<IoHash> Chunks2;
-			size_t				   ChunkedSize2 = 0;
-			size_t				   DiffSize		= 0;
-			for (size_t F = 0; F < SourceFiles2.size(); F++)
-			{
-				const ChunkedInfoWithSource& Info = Infos2[F];
-				Raw2Size += Info.Info.RawSize;
-				for (uint32_t Chunk2Index = 0; Chunk2Index < Info.Info.ChunkHashes.size(); ++Chunk2Index)
-				{
-					const IoHash ChunkHash = Info.Info.ChunkHashes[Chunk2Index];
-					if (Chunks2.insert(ChunkHash).second)
-					{
-						ChunkedSize2 += Info.ChunkSources[Chunk2Index].Size;
-						if (!Chunks1.contains(ChunkHash))
-						{
-							DiffSize += Info.ChunkSources[Chunk2Index].Size;
-						}
-					}
-				}
-			}
-
-			ZEN_INFO(
-				"Diff = {}, Chunks1 = {}, Chunks2 = {}, .UseThreshold = {}, .MinSize = {}, .MaxSize = {}, .AvgSize = {}, RawSize(1) = {}, "
-				"RawSize(2) = {}, "
-				"Saved(1) = {}, Saved(2) = {} in {}",
-				NiceBytes(DiffSize),
-				Chunks1.size(),
-				Chunks2.size(),
-				Param.UseThreshold,
-				Param.MinSize,
-				Param.MaxSize,
-				Param.AvgSize,
-				NiceBytes(Raw1Size),
-				NiceBytes(Raw2Size),
-				NiceBytes(Raw1Size - ChunkedSize1),
-				NiceBytes(Raw2Size - ChunkedSize2),
-				NiceTimeSpanMs(ChunkTimeMS));
-		}
-	}
-
-#		if 0
-	for (int64_t MinSizeBase = (12u * 1024u); MinSizeBase <= (32u * 1024u); MinSizeBase += 512)
-		{
-			for (int64_t Wiggle = -132; Wiggle < 126; Wiggle += 2)
-			{
-				//			size_t MinSize = 7 * 1024 - 61;	   // (size_t)(MinSizeBase + Wiggle);
-			//			size_t MaxSize = 16 * (7 * 1024);  // 8 * 7 * 1024;// MinSizeBase * 6;
-			//			size_t AvgSize = MaxSize / 2;	   // 4 * 7 * 1024;// MinSizeBase * 3;
-			size_t MinSize = (size_t)(MinSizeBase + Wiggle);
-			//for (size_t MaxSize = (MinSize * 4) - 768; MaxSize < (MinSize * 5) + 768; MaxSize += 64)
-			size_t MaxSize = 8u * MinSizeBase;
-			{
-				for (size_t AvgSize = (MaxSize - MinSize) / 32 + MinSize; AvgSize < (MaxSize - MinSize) / 4 + MinSize; AvgSize += (MaxSize - MinSize) / 32)
-//				size_t AvgSize = (MaxSize - MinSize) / 4 + MinSize;
-				{
-					WorkLatch.AddCount(1);
-					WorkerPool.ScheduleWork([&WorkLatch, MinSize, MaxSize, AvgSize, SourcePath1, SourcePath2]()
-					{
-						auto _ = MakeGuard([&WorkLatch]() { WorkLatch.CountDown(); });
-						ChunkedParams		   Params{ .UseThreshold = true, .MinSize = MinSize, .MaxSize = MaxSize, .AvgSize = AvgSize };
-						BasicFile SourceData1;
-						SourceData1.Open(SourcePath1, BasicFile::Mode::kRead);
-						BasicFile SourceData2;
-						SourceData2.Open(SourcePath2, BasicFile::Mode::kRead);
-						ChunkedInfoWithSource  Info1 = ChunkData(SourceData1, Params);
-						ChunkedInfoWithSource  Info2 = ChunkData(SourceData2, Params);
-
-						tsl::robin_set<IoHash> Chunks1;
-						Chunks1.reserve(Info1.Info.ChunkHashes.size());
-						Chunks1.insert(Info1.Info.ChunkHashes.begin(), Info1.Info.ChunkHashes.end());
-						size_t ChunkedSize1 = 0;
-						for (uint32_t Chunk1Index = 0; Chunk1Index < Info1.Info.ChunkHashes.size(); ++Chunk1Index)
-						{
-							ChunkedSize1 += Info1.ChunkSources[Chunk1Index].Size;
-						}
-						size_t DiffSavedSize = 0;
-						size_t ChunkedSize2 = 0;
-						for (uint32_t Chunk2Index = 0; Chunk2Index < Info2.Info.ChunkHashes.size(); ++Chunk2Index)
-						{
-							ChunkedSize2 += Info2.ChunkSources[Chunk2Index].Size;
-							if (Chunks1.find(Info2.Info.ChunkHashes[Chunk2Index]) == Chunks1.end())
-							{
-								DiffSavedSize += Info2.ChunkSources[Chunk2Index].Size;
-							}
-						}
-						ZEN_INFO("Diff {}, Chunks1: {}, Chunks2: {}, Min: {}, Max: {}, Avg: {}, Saved(1) {}, Saved(2) {}",
-								 NiceBytes(DiffSavedSize),
-								 Info1.Info.ChunkHashes.size(),
-								 Info2.Info.ChunkHashes.size(),
-								 MinSize,
-								 MaxSize,
-								 AvgSize,
-								 NiceBytes(Info1.Info.RawSize - ChunkedSize1),
-								 NiceBytes(Info2.Info.RawSize - ChunkedSize2));
-					});
-				}
-			}
-		}
-	}
-#		endif	// 0
-
-	//	WorkLatch.CountDown();
-	//	WorkLatch.Wait();
-}
-#	endif		// 0
-
-void
-chunkedfile_forcelink()
-{
-}
-
-}  // namespace zen
-
-#endif
diff --git a/src/zenstore/chunking.cpp b/src/zenstore/chunking.cpp
deleted file mode 100644
index 30edd322a..000000000
--- a/src/zenstore/chunking.cpp
+++ /dev/null
@@ -1,382 +0,0 @@
-// Copyright Epic Games, Inc. All Rights Reserved.
-
-#include "chunking.h"
-
-#include <gsl/gsl-lite.hpp>
-
-#include <cmath>
-
-namespace zen::detail {
-
-static const uint32_t BuzhashTable[] = {
-	0x458be752, 0xc10748cc, 0xfbbcdbb8, 0x6ded5b68, 0xb10a82b5, 0x20d75648, 0xdfc5665f, 0xa8428801, 0x7ebf5191, 0x841135c7, 0x65cc53b3,
-	0x280a597c, 0x16f60255, 0xc78cbc3e, 0x294415f5, 0xb938d494, 0xec85c4e6, 0xb7d33edc, 0xe549b544, 0xfdeda5aa, 0x882bf287, 0x3116737c,
-	0x05569956, 0xe8cc1f68, 0x0806ac5e, 0x22a14443, 0x15297e10, 0x50d090e7, 0x4ba60f6f, 0xefd9f1a7, 0x5c5c885c, 0x82482f93, 0x9bfd7c64,
-	0x0b3e7276, 0xf2688e77, 0x8fad8abc, 0xb0509568, 0xf1ada29f, 0xa53efdfe, 0xcb2b1d00, 0xf2a9e986, 0x6463432b, 0x95094051, 0x5a223ad2,
-	0x9be8401b, 0x61e579cb, 0x1a556a14, 0x5840fdc2, 0x9261ddf6, 0xcde002bb, 0x52432bb0, 0xbf17373e, 0x7b7c222f, 0x2955ed16, 0x9f10ca59,
-	0xe840c4c9, 0xccabd806, 0x14543f34, 0x1462417a, 0x0d4a1f9c, 0x087ed925, 0xd7f8f24c, 0x7338c425, 0xcf86c8f5, 0xb19165cd, 0x9891c393,
-	0x325384ac, 0x0308459d, 0x86141d7e, 0xc922116a, 0xe2ffa6b6, 0x53f52aed, 0x2cd86197, 0xf5b9f498, 0xbf319c8f, 0xe0411fae, 0x977eb18c,
-	0xd8770976, 0x9833466a, 0xc674df7f, 0x8c297d45, 0x8ca48d26, 0xc49ed8e2, 0x7344f874, 0x556f79c7, 0x6b25eaed, 0xa03e2b42, 0xf68f66a4,
-	0x8e8b09a2, 0xf2e0e62a, 0x0d3a9806, 0x9729e493, 0x8c72b0fc, 0x160b94f6, 0x450e4d3d, 0x7a320e85, 0xbef8f0e1, 0x21d73653, 0x4e3d977a,
-	0x1e7b3929, 0x1cc6c719, 0xbe478d53, 0x8d752809, 0xe6d8c2c6, 0x275f0892, 0xc8acc273, 0x4cc21580, 0xecc4a617, 0xf5f7be70, 0xe795248a,
-	0x375a2fe9, 0x425570b6, 0x8898dcf8, 0xdc2d97c4, 0x0106114b, 0x364dc22f, 0x1e0cad1f, 0xbe63803c, 0x5f69fac2, 0x4d5afa6f, 0x1bc0dfb5,
-	0xfb273589, 0x0ea47f7b, 0x3c1c2b50, 0x21b2a932, 0x6b1223fd, 0x2fe706a8, 0xf9bd6ce2, 0xa268e64e, 0xe987f486, 0x3eacf563, 0x1ca2018c,
-	0x65e18228, 0x2207360a, 0x57cf1715, 0x34c37d2b, 0x1f8f3cde, 0x93b657cf, 0x31a019fd, 0xe69eb729, 0x8bca7b9b, 0x4c9d5bed, 0x277ebeaf,
-	0xe0d8f8ae, 0xd150821c, 0x31381871, 0xafc3f1b0, 0x927db328, 0xe95effac, 0x305a47bd, 0x426ba35b, 0x1233af3f, 0x686a5b83, 0x50e072e5,
-	0xd9d3bb2a, 0x8befc475, 0x487f0de6, 0xc88dff89, 0xbd664d5e, 0x971b5d18, 0x63b14847, 0xd7d3c1ce, 0x7f583cf3, 0x72cbcb09, 0xc0d0a81c,
-	0x7fa3429b, 0xe9158a1b, 0x225ea19a, 0xd8ca9ea3, 0xc763b282, 0xbb0c6341, 0x020b8293, 0xd4cd299d, 0x58cfa7f8, 0x91b4ee53, 0x37e4d140,
-	0x95ec764c, 0x30f76b06, 0x5ee68d24, 0x679c8661, 0xa41979c2, 0xf2b61284, 0x4fac1475, 0x0adb49f9, 0x19727a23, 0x15a7e374, 0xc43a18d5,
-	0x3fb1aa73, 0x342fc615, 0x924c0793, 0xbee2d7f0, 0x8a279de9, 0x4aa2d70c, 0xe24dd37f, 0xbe862c0b, 0x177c22c2, 0x5388e5ee, 0xcd8a7510,
-	0xf901b4fd, 0xdbc13dbc, 0x6c0bae5b, 0x64efe8c7, 0x48b02079, 0x80331a49, 0xca3d8ae6, 0xf3546190, 0xfed7108b, 0xc49b941b, 0x32baf4a9,
-	0xeb833a4a, 0x88a3f1a5, 0x3a91ce0a, 0x3cc27da1, 0x7112e684, 0x4a3096b1, 0x3794574c, 0xa3c8b6f3, 0x1d213941, 0x6e0a2e00, 0x233479f1,
-	0x0f4cd82f, 0x6093edd2, 0x5d7d209e, 0x464fe319, 0xd4dcac9e, 0x0db845cb, 0xfb5e4bc3, 0xe0256ce1, 0x09fb4ed1, 0x0914be1e, 0xa5bdb2c3,
-	0xc6eb57bb, 0x30320350, 0x3f397e91, 0xa67791bc, 0x86bc0e2c, 0xefa0a7e2, 0xe9ff7543, 0xe733612c, 0xd185897b, 0x329e5388, 0x91dd236b,
-	0x2ecb0d93, 0xf4d82a3d, 0x35b5c03f, 0xe4e606f0, 0x05b21843, 0x37b45964, 0x5eff22f4, 0x6027f4cc, 0x77178b3c, 0xae507131, 0x7bf7cabc,
-	0xf9c18d66, 0x593ade65, 0xd95ddf11,
-};
-
-// ROL operation (compiler turns this into a ROL when optimizing)
-ZEN_FORCEINLINE static uint32_t
-Rotate32(uint32_t Value, size_t RotateCount)
-{
-	RotateCount &= 31;
-
-	return ((Value) << (RotateCount)) | ((Value) >> (32 - RotateCount));
-}
-
-}  // namespace zen::detail
-
-namespace zen {
-
-void
-ZenChunkHelper::Reset()
-{
-	InternalReset();
-
-	m_BytesScanned = 0;
-}
-
-void
-ZenChunkHelper::InternalReset()
-{
-	m_CurrentHash	   = 0;
-	m_CurrentChunkSize = 0;
-	m_WindowSize	   = 0;
-}
-
-void
-ZenChunkHelper::SetChunkSize(size_t MinSize, size_t MaxSize, size_t AvgSize)
-{
-	if (m_WindowSize)
-		return;	 // Already started
-
-	static_assert(kChunkSizeLimitMin > kWindowSize);
-
-	if (AvgSize)
-	{
-		// TODO: Validate AvgSize range
-	}
-	else
-	{
-		if (MinSize && MaxSize)
-		{
-			AvgSize = std::lrint(std::pow(2, (std::log2(MinSize) + std::log2(MaxSize)) / 2));
-		}
-		else if (MinSize)
-		{
-			AvgSize = MinSize * 4;
-		}
-		else if (MaxSize)
-		{
-			AvgSize = MaxSize / 4;
-		}
-		else
-		{
-			AvgSize = kDefaultAverageChunkSize;
-		}
-	}
-
-	if (MinSize)
-	{
-		// TODO: Validate MinSize range
-	}
-	else
-	{
-		MinSize = std::max(AvgSize / 4, kChunkSizeLimitMin);
-	}
-
-	if (MaxSize)
-	{
-		// TODO: Validate MaxSize range
-	}
-	else
-	{
-		MaxSize = std::min(AvgSize * 4, kChunkSizeLimitMax);
-	}
-
-	m_Discriminator = gsl::narrow<uint32_t>(AvgSize - MinSize);
-
-	if (m_Discriminator < MinSize)
-	{
-		m_Discriminator = gsl::narrow<uint32_t>(MinSize);
-	}
-
-	if (m_Discriminator > MaxSize)
-	{
-		m_Discriminator = gsl::narrow<uint32_t>(MaxSize);
-	}
-
-	m_Threshold = gsl::narrow<uint32_t>((uint64_t(std::numeric_limits<uint32_t>::max()) + 1) / m_Discriminator);
-
-	m_ChunkSizeMin = MinSize;
-	m_ChunkSizeMax = MaxSize;
-	m_ChunkSizeAvg = AvgSize;
-}
-
-size_t
-ZenChunkHelper::ScanChunk(const void* DataBytesIn, size_t ByteCount)
-{
-	size_t Result = InternalScanChunk(DataBytesIn, ByteCount);
-
-	if (Result == kNoBoundaryFound)
-	{
-		m_BytesScanned += ByteCount;
-	}
-	else
-	{
-		m_BytesScanned += Result;
-	}
-
-	return Result;
-}
-
-size_t
-ZenChunkHelper::InternalScanChunk(const void* DataBytesIn, size_t ByteCount)
-{
-	size_t		   CurrentOffset = 0;
-	const uint8_t* CursorPtr	 = reinterpret_cast<const uint8_t*>(DataBytesIn);
-
-	// There's no point in updating the hash if we know we're not
-	// going to have a cut point, so just skip the data. This logic currently
-	// provides roughly a 20% speedup on my machine
-
-	const size_t NeedHashOffset = m_ChunkSizeMin - kWindowSize;
-
-	if (m_CurrentChunkSize < NeedHashOffset)
-	{
-		const uint32_t SkipBytes = gsl::narrow<uint32_t>(std::min<uint64_t>(ByteCount, NeedHashOffset - m_CurrentChunkSize));
-
-		ByteCount -= SkipBytes;
-		m_CurrentChunkSize += SkipBytes;
-		CurrentOffset += SkipBytes;
-		CursorPtr += SkipBytes;
-
-		m_WindowSize = 0;
-
-		if (ByteCount == 0)
-		{
-			return kNoBoundaryFound;
-		}
-	}
-
-	// Fill window first
-
-	if (m_WindowSize < kWindowSize)
-	{
-		const uint32_t FillBytes = uint32_t(std::min<size_t>(ByteCount, kWindowSize - m_WindowSize));
-
-		memcpy(&m_Window[m_WindowSize], CursorPtr, FillBytes);
-
-		CursorPtr += FillBytes;
-
-		m_WindowSize += FillBytes;
-		m_CurrentChunkSize += FillBytes;
-
-		CurrentOffset += FillBytes;
-		ByteCount -= FillBytes;
-
-		if (m_WindowSize < kWindowSize)
-		{
-			return kNoBoundaryFound;
-		}
-
-		// We have a full window, initialize hash
-
-		uint32_t CurrentHash = 0;
-
-		for (int i = 1; i < kWindowSize; ++i)
-		{
-			CurrentHash ^= detail::Rotate32(detail::BuzhashTable[m_Window[i - 1]], kWindowSize - i);
-		}
-
-		m_CurrentHash = CurrentHash ^ detail::BuzhashTable[m_Window[kWindowSize - 1]];
-	}
-
-	// Scan for boundaries (i.e points where the hash matches the value determined by
-	// the discriminator)
-
-	uint32_t CurrentHash	  = m_CurrentHash;
-	uint32_t CurrentChunkSize = m_CurrentChunkSize;
-
-	size_t Index = CurrentChunkSize % kWindowSize;
-
-	if (m_Threshold && m_UseThreshold)
-	{
-		// This is roughly 4x faster than the general modulo approach on my
-		// TR 3990X (~940MB/sec) and doesn't require any special parameters to
-		// achieve max performance
-
-		while (ByteCount)
-		{
-			const uint8_t NewByte = *CursorPtr;
-			const uint8_t OldByte = m_Window[Index];
-
-			CurrentHash = detail::Rotate32(CurrentHash, 1) ^ detail::Rotate32(detail::BuzhashTable[OldByte], m_WindowSize) ^
-						  detail::BuzhashTable[NewByte];
-
-			CurrentChunkSize++;
-			CurrentOffset++;
-
-			if (CurrentChunkSize >= m_ChunkSizeMin)
-			{
-				bool FoundBoundary;
-
-				if (CurrentChunkSize >= m_ChunkSizeMax)
-				{
-					FoundBoundary = true;
-				}
-				else
-				{
-					FoundBoundary = CurrentHash <= m_Threshold;
-				}
-
-				if (FoundBoundary)
-				{
-					// Boundary found!
-					InternalReset();
-
-					return CurrentOffset;
-				}
-			}
-
-			m_Window[Index++] = *CursorPtr;
-
-			if (Index == kWindowSize)
-			{
-				Index = 0;
-			}
-
-			++CursorPtr;
-			--ByteCount;
-		}
-	}
-	else if ((m_Discriminator & (m_Discriminator - 1)) == 0)
-	{
-		// This is quite a bit faster than the generic modulo path, but
-		// requires a very specific average chunk size to be used. If you
-		// pass in an even power-of-two divided by 0.75 as the average
-		// chunk size you'll hit this path
-
-		const uint32_t Mask = m_Discriminator - 1;
-
-		while (ByteCount)
-		{
-			const uint8_t NewByte = *CursorPtr;
-			const uint8_t OldByte = m_Window[Index];
-
-			CurrentHash = detail::Rotate32(CurrentHash, 1) ^ detail::Rotate32(detail::BuzhashTable[OldByte], m_WindowSize) ^
-						  detail::BuzhashTable[NewByte];
-
-			CurrentChunkSize++;
-			CurrentOffset++;
-
-			if (CurrentChunkSize >= m_ChunkSizeMin)
-			{
-				bool FoundBoundary;
-
-				if (CurrentChunkSize >= m_ChunkSizeMax)
-				{
-					FoundBoundary = true;
-				}
-				else
-				{
-					FoundBoundary = (CurrentHash & Mask) == Mask;
-				}
-
-				if (FoundBoundary)
-				{
-					// Boundary found!
-					InternalReset();
-
-					return CurrentOffset;
-				}
-			}
-
-			m_Window[Index++] = *CursorPtr;
-
-			if (Index == kWindowSize)
-			{
-				Index = 0;
-			}
-
-			++CursorPtr;
-			--ByteCount;
-		}
-	}
-	else
-	{
-		// This is the slowest path, which caps out around 250MB/sec for large sizes
-		// on my TR3900X
-
-		while (ByteCount)
-		{
-			const uint8_t NewByte = *CursorPtr;
-			const uint8_t OldByte = m_Window[Index];
-
-			CurrentHash = detail::Rotate32(CurrentHash, 1) ^ detail::Rotate32(detail::BuzhashTable[OldByte], m_WindowSize) ^
-						  detail::BuzhashTable[NewByte];
-
-			CurrentChunkSize++;
-			CurrentOffset++;
-
-			if (CurrentChunkSize >= m_ChunkSizeMin)
-			{
-				bool FoundBoundary;
-
-				if (CurrentChunkSize >= m_ChunkSizeMax)
-				{
-					FoundBoundary = true;
-				}
-				else
-				{
-					FoundBoundary = (CurrentHash % m_Discriminator) == (m_Discriminator - 1);
-				}
-
-				if (FoundBoundary)
-				{
-					// Boundary found!
-					InternalReset();
-
-					return CurrentOffset;
-				}
-			}
-
-			m_Window[Index++] = *CursorPtr;
-
-			if (Index == kWindowSize)
-			{
-				Index = 0;
-			}
-
-			++CursorPtr;
-			--ByteCount;
-		}
-	}
-
-	m_CurrentChunkSize = CurrentChunkSize;
-	m_CurrentHash	   = CurrentHash;
-
-	return kNoBoundaryFound;
-}
-
-}  // namespace zen
diff --git a/src/zenstore/chunking.h b/src/zenstore/chunking.h
deleted file mode 100644
index 09c56454f..000000000
--- a/src/zenstore/chunking.h
+++ /dev/null
@@ -1,56 +0,0 @@
-// Copyright Epic Games, Inc. All Rights Reserved.
-
-#pragma once
-#include <zencore/zencore.h>
-
-namespace zen {
-
-/** Content-defined chunking helper
- */
-class ZenChunkHelper
-{
-public:
-	void   SetChunkSize(size_t MinSize, size_t MaxSize, size_t AvgSize);
-	size_t ScanChunk(const void* DataBytes, size_t ByteCount);
-	void   Reset();
-
-	// This controls which chunking approach is used - threshold or
-	// modulo based. Threshold is faster and generates similarly sized
-	// chunks
-	void SetUseThreshold(bool NewState) { m_UseThreshold = NewState; }
-
-	inline size_t	ChunkSizeMin() const { return m_ChunkSizeMin; }
-	inline size_t	ChunkSizeMax() const { return m_ChunkSizeMax; }
-	inline size_t	ChunkSizeAvg() const { return m_ChunkSizeAvg; }
-	inline uint64_t BytesScanned() const { return m_BytesScanned; }
-
-	static constexpr size_t kNoBoundaryFound = size_t(~0ull);
-
-private:
-	size_t m_ChunkSizeMin = 0;
-	size_t m_ChunkSizeMax = 0;
-	size_t m_ChunkSizeAvg = 0;
-
-	uint32_t m_Discriminator = 0;  // Computed in SetChunkSize()
-	uint32_t m_Threshold	 = 0;  // Computed in SetChunkSize()
-
-	bool m_UseThreshold = true;
-
-	static constexpr size_t kChunkSizeLimitMax		 = 64 * 1024 * 1024;
-	static constexpr size_t kChunkSizeLimitMin		 = 1024;
-	static constexpr size_t kDefaultAverageChunkSize = 64 * 1024;
-
-	static constexpr int kWindowSize = 48;
-	uint8_t				 m_Window[kWindowSize];
-	uint32_t			 m_WindowSize = 0;
-
-	uint32_t m_CurrentHash		= 0;
-	uint32_t m_CurrentChunkSize = 0;
-
-	uint64_t m_BytesScanned = 0;
-
-	size_t InternalScanChunk(const void* DataBytes, size_t ByteCount);
-	void   InternalReset();
-};
-
-}  // namespace zen
diff --git a/src/zenstore/include/zenstore/chunkedfile.h b/src/zenstore/include/zenstore/chunkedfile.h
deleted file mode 100644
index c6330bdbd..000000000
--- a/src/zenstore/include/zenstore/chunkedfile.h
+++ /dev/null
@@ -1,54 +0,0 @@
-// Copyright Epic Games, Inc. All Rights Reserved.
-
-#pragma once
-
-#include <zencore/iobuffer.h>
-#include <zencore/iohash.h>
-#include <zencore/zencore.h>
-
-#include <functional>
-#include <vector>
-
-namespace zen {
-
-class BasicFile;
-
-struct ChunkedInfo
-{
-	uint64_t			  RawSize = 0;
-	IoHash				  RawHash;
-	std::vector<uint32_t> ChunkSequence;
-	std::vector<IoHash>	  ChunkHashes;
-};
-
-struct ChunkSource
-{
-	uint64_t Offset;  // 8
-	uint32_t Size;	  // 4
-};
-
-struct ChunkedInfoWithSource
-{
-	ChunkedInfo				 Info;
-	std::vector<ChunkSource> ChunkSources;
-};
-
-struct ChunkedParams
-{
-	bool   UseThreshold = true;
-	size_t MinSize		= (2u * 1024u) - 128u;
-	size_t MaxSize		= (16u * 1024u);
-	size_t AvgSize		= (3u * 1024u);
-};
-
-static const ChunkedParams UShaderByteCodeParams = {.UseThreshold = true, .MinSize = 17280, .MaxSize = 139264, .AvgSize = 36340};
-
-ChunkedInfoWithSource ChunkData(BasicFile& RawData, uint64_t Offset, uint64_t Size, ChunkedParams Params = {});
-void				  Reconstruct(const ChunkedInfo&							   Info,
-								  const std::filesystem::path&					   TargetPath,
-								  std::function<IoBuffer(const IoHash& ChunkHash)> GetChunk);
-IoBuffer			  SerializeChunkedInfo(const ChunkedInfo& Info);
-ChunkedInfo			  DeserializeChunkedInfo(IoBuffer& Buffer);
-
-void chunkedfile_forcelink();
-}  // namespace zen