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FastFind.NET Roadmap

Current Status (v1.3.0)

Core (FastFind.Core)

  • Cross-Platform SIMD: Vector256/Vector128 auto-dispatch (AVX2, SSE2, NEON)
  • Ultra-Optimized FastFileItem: 61-byte struct with string interning
  • High-Performance StringPool: 60-80% memory reduction
  • IAsyncEnumerable streaming, Channel-based architecture

Windows (FastFind.Windows) — Production

  • MFT Direct Access: 31K+ files/sec NTFS enumeration
  • USN Journal: Real-time file change detection
  • HybridFileSystemProvider: Auto MFT/Standard selection
  • ModuleInitializer auto-registration

Linux (FastFind.Unix) — Preview

  • Channel-based BFS parallel file enumeration
  • inotify change tracking via FileSystemWatcher
  • /proc/mounts parsing, virtual FS filtering
  • ModuleInitializer auto-registration

macOS (FastFind.Unix) — Preview

  • Channel-based BFS parallel file enumeration (shared with Linux)
  • FSEvents change tracking via FileSystemWatcher
  • DriveInfo + /Volumes mount detection
  • ModuleInitializer auto-registration

SQLite (FastFind.SQLite) — Production

  • FTS5 full-text search, WAL mode, bulk insert
  • MftSqlitePipeline for MFT → SQLite data flow

CI/CD

  • PR validation (Windows + Linux auto, macOS manual trigger)
  • Docker multi-distro testing (SDK container)
  • NuGet auto-publish on version change

v1.1.0 — Stability & Quality (Completed)

  • IncludeHidden filtering verified + 4 new test cases
  • Dead code removal (SearchOptimizedFileItem, -265 lines)
  • Unix stub methods: NotSupportedException for Save/Load, real RefreshIndex
  • Unix test coverage: 10 new UnixSearchEngine tests
  • Sync-over-async fix in WindowsFileSystemProvider.Dispose()
  • Lock type standardization (Lock over object)
  • Path exclusion: proper segment matching (no false positives)
  • Full verification: 231 Windows + 29 Linux tests, 0 failures

v1.2.0 — Cross-Platform MVP (Completed)

  • SIMD Vector128/Vector256 cross-platform refactoring
  • Linux Channel-based BFS implementation
  • FastFind.Unix NuGet package
  • CI/CD Linux + macOS jobs

v1.3.0 — macOS Support + BFS Stability (Completed)

  • macOS FileSystemProvider (DriveInfo + /Volumes mount detection)
  • macOS FileSystemWatcher monitoring (FSEvents)
  • macOS factory registration (ModuleInitializer)
  • macOS CI test suite (20 tests passing)
  • BFS Channel worker race condition fix (pendingWork counter)
  • Cross-platform test constructor safety (nullable engine pattern)

v1.4.0 — Platform-Specific Optimization

  • Linux: getdents64 direct syscall, fanotify (5.9+)
  • macOS: searchfs, getattrlistbulk
  • ARM64 AdvSimd optimization
  • Capability discovery pattern (ISearchCapability)

Future

  • Btrfs/io_uring/eBPF advanced features
  • Trigram posting list (sub-ms substring matching)
  • systemd/LaunchDaemon service packaging
  • Network storage, content search, OpenTelemetry

Platform Support

Platform Status Package
Windows 10/11, Server 2019+ Production FastFind.Windows
Linux (Ubuntu, RHEL, Alpine) Preview FastFind.Unix
macOS (Ventura+) Preview FastFind.Unix

Last Updated: February 2026