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PLAN DE DESARROLLO - 05_27_IMPLEMENTATIONS

MARCO TERICO-PRCTICO

Conceptos Fundamentales

Jerarqua DSP Multi-Nivel (L0-L3): - L0 Kernels: Operaciones atmicas indivisibles (<1 ciclo/sample) - bloques fundamentales - L1 Atoms: Componentes bsicos combinables (oscillators, envelopes, delays) - L2 Cells: Procesadores completos autnomos (effects, dynamics, spectral) - L3 Engines: Sistemas autnomos complejos (synthesizers, mastering suites)

Optimizacin de Performance: - SIMD vectorization: SSE (128-bit), AVX (256-bit), AVX-512 (512-bit), ARM NEON - Memory management lock-free: Pool allocators, ring buffers sin locks - Cache-aware algorithms: Alineacin 64 bytes, prefetching - Branch prediction optimization: Branchless code, prediccin hints - GPU batch processing: CUDA, Metal, OpenCL para procesamiento masivo

Real-Time Constraints: - Zero allocations en audio thread (pre-allocated pools) - Deterministic execution time (no syscalls, no locks) - Denormal handling (flush-to-zero mode) - Double-buffering para parmetros (lock-free updates)

Cross-Platform Development: - Abstraccin OS/Compiler/Architecture differences - Runtime CPU feature detection - Unified codebase con platform-specific optimizations - Conditional compilation (MSVC, GCC, Clang)

Algoritmos Especficos

DSP Kernels: - Biquad filters (Direct Form II Transposed) - FFT algorithms (Cooley-Tukey radix-2, mixed-radix, Bluestein) - FIR convolution (direct, FFT-based para kernels largos) - IIR cascade (second-order sections) - Waveshaping (polynomial, lookup table, rational functions) - Saturation (tanh approximations, soft clipping)

SIMD Intrinsics: - Portable abstractions sobre SSE/AVX/NEON - Horizontal operations (sum, min, max) - FMA (Fused Multiply-Add) optimization - Gather/scatter operations

Memory Management: - Stack-based allocators para temporales - Pool allocators con alignment - Lock-free ring buffers (single-producer/single-consumer) - Shared memory arenas

GPU Kernels: - Batch FFT (mltiples FFTs paralelos) - Convolution reverb (IR grande) - Granular synthesis (miles de granos) - Spectral processing masivo

Mtricas de Calidad (del documento)

  • Performance kernels L0: < 1 ciclo/sample para operaciones bsicas
  • Latencia processing: < 1ms para cadena completa @ 48kHz
  • CPU usage por voz: < 0.1% en CPU moderna (synth polifnico)
  • Correctitud numrica: Error < -120dB vs implementacin referencia
  • Test coverage: > 95% lneas cdigo, 100% caminos crticos
  • Compilation time: < 5 minutos full rebuild en 8 cores
  • Binary size: < 10MB biblioteca completa con symbols
  • SIMD utilization: > 80% operaciones vectorizadas donde aplicable
  • Zero glitches: 0 xruns en 24h stress testing

PRIORIZACIN Y DEPENDENCIAS

Orden de Implementacin:

  1. Fase Foundation (Semanas 1-8): _00, _01, _07, _08 Estructura + Kernels L0 base + Build + Docs
  2. Fase Core DSP (Semanas 9-20): _02, _03, _05, _06 Atoms L1 + Cells L2 + Optimizations + Testing
  3. Fase Advanced (Semanas 21-36): _04, _11, _12 Engines L3 + SIMD avanzado + GPU
  4. Fase Quality (Semanas 37-44): _09, _15 Profiling completo + Debugging tools
  5. Fase Platform (Semanas 45-52): _10, _13, _14 Memory optimization + Cross-platform + Codegen

Dependencias Crticas: - _00 (organization) TODO (estructura base para todo) - _01 (kernels) _02, _03, _04 (kernels son building blocks) - _07 (build) TODO (necesario para compilar todo) - _05 (optimizations) necesita _01 (scalar reference primero) - _11 (SIMD) necesita _01 (implementaciones base) - _12 (GPU) es opcional/paralelo (no blocking) - _06 (testing) continuo desde inicio (TDD approach) - _08 (docs) continuo (document while coding)

TAREAS DETALLADAS

TAREA 1: Source Organization - La Torre de Babel Invertida

Carpeta: 05_27_00_source_organization

DESARROLLO:

  1. Core Implementation
  2. Estructura de directorios jerrquica L0-L3
  3. L0_kernels/ organizado por categora:
    • arithmetic/ (add, multiply, scale, mix)
    • filters/ (biquad, onepole, svf, fir, iir)
    • transforms/ (fft, hilbert, wavelet, dct)
    • nonlinear/ (saturate, waveshape, quantize, rectify)
  4. L1_atoms/ por funcionalidad:
    • oscillators/ (wavetable, analog, FM, granular)
    • envelopes/ (ADSR, multi-segment, follower)
    • delays/ (circular, fractional, modulated, allpass)
    • modulators/ (LFO, step sequencer, arpeggiator)
  5. L2_cells/ por tipo procesador:
    • effects/ (reverb, delay, chorus, flanger, phaser)
    • dynamics/ (compressor, limiter, gate, expander)
    • spectral/ (vocoder, pitch shift, time stretch)
    • analyzers/ (spectrum, metering, correlation)
  6. L3_engines/ por aplicacin:
    • synthesizers/ (analog, FM, wavetable, granular)
    • processors/ (EQ, multiband, channel strip)
    • instruments/ (samplers, drum machines)
    • mastering/ (mastering suite, loudness)
  7. Sistema de naming convenciones
  8. Versionado en nombres de archivos (_v1, _v2)
  9. Feature detection y variant selection
  10. Include guards y forward declarations

  11. Namespace organization (audiolab::l0::filters)

  12. Testing Framework

  13. Tests de estructura de directorios
  14. Validation de naming conventions
  15. Symlink integrity checks
  16. Header dependency graph validation

  17. Test coverage > 90%

  18. Documentacin

  19. Structure guide completa
  20. Naming conventions reference
  21. Navigation guide para developers
  22. Examples de organizacin correcta

  23. Anti-patterns de estructura

  24. Interfaces y Conexiones

  25. Base class hierarchy (IKernel, IAtom, ICell, IEngine)
  26. Common interfaces (IAudioProcessor, IParameterizable)
  27. Type traits para compile-time checks
  28. Integration con build system

ENTREGABLES:

  • Estructura completa L0-L3 creada
  • Naming conventions documentadas
  • Base classes implementadas
  • Documentation de navegacin
  • Examples de uso

ESTIMACIN: 1 semana

TAREA 2: Kernel Implementations L0 - Los tomos del Universo DSP

Carpeta: 05_27_01_kernel_implementations

DESARROLLO:

  1. Core Implementation
  2. Arithmetic Kernels (10 kernels):
    • add (suma con saturacin opcional)
    • multiply (multiplicacin punto a punto)
    • scale (escalado por constante)
    • mix (mezcla ponderada N seales)
    • accumulate (acumulacin con feedback)
    • abs (valor absoluto)
    • sign (funcin signo)
    • clamp (limitacin rango)
    • lerp (interpolacin lineal)
    • reciprocal (1/x con safety)
  3. Filter Kernels (15 kernels):
    • biquad_df2t (Direct Form II Transposed)
    • biquad_df1 (Direct Form I)
    • onepole (primer orden)
    • svf (State Variable Filter)
    • fir_direct (convolucin FIR directa)
    • fir_fft (convolucin FFT-based)
    • iir_cascade (cascada secciones IIR)
    • allpass (allpass filter)
    • comb (comb filter)
    • lattice (lattice filter)
    • moving_average (promedio mvil)
    • median (filtro mediana)
    • hilbert (transformada Hilbert FIR)
    • dcblock (DC blocker)
    • pink_noise_filter (filtro ruido rosa)
  4. Transform Kernels (12 kernels):
    • fft_radix2 (FFT potencias de 2)
    • fft_mixed_radix (FFT tamaos arbitrarios)
    • ifft (FFT inversa)
    • rfft (FFT real-to-complex)
    • dct (Discrete Cosine Transform)
    • mdct (Modified DCT)
    • hilbert_transform (transformada completa)
    • wavelet_forward (transformada wavelet)
    • wavelet_inverse (wavelet inversa)
    • stft (Short-Time Fourier Transform)
    • istft (STFT inversa)
    • phase_vocoder (vocoder de fase)
  5. Nonlinear Kernels (13 kernels):
    • tanh_saturate (saturacin tanh)
    • soft_clip (soft clipping)
    • hard_clip (hard clipping)
    • waveshape_poly (waveshaping polinomial)
    • waveshape_rational (funciones racionales)
    • waveshape_table (lookup table)
    • quantize (cuantizacin con dither)
    • rectify_half (rectificacin half-wave)
    • rectify_full (rectificacin full-wave)
    • fold_back (fold-back distortion)
    • bit_crush (bit crushing)
    • sample_rate_reduce (reduccin sample rate)
    • ring_modulate (ring modulation)
  6. Implementacin scalar de referencia para CADA kernel
  7. Tests matemticos exhaustivos

  8. Benchmarks individuales

  9. Testing Framework

  10. Unit test por cada kernel (50+ tests)
  11. Impulse response validation
  12. Frequency response tests (filtros)
  13. Numerical stability tests
  14. Denormal handling tests
  15. Edge case testing (DC, Nyquist, silence)
  16. Performance benchmarks

  17. Test coverage > 98% (crtico)

  18. Documentacin

  19. Doxygen completo por kernel
  20. Mathematical theory por algoritmo
  21. Complexity analysis (tiempo, espacio)
  22. Performance characteristics
  23. Usage examples con audio

  24. References a papers acadmicos

  25. Interfaces y Conexiones

  26. IKernel base interface
  27. Typed interfaces (IFilterKernel, ITransformKernel)
  28. Parameter structures
  29. State structures
  30. Buffer abstractions

ENTREGABLES:

  • 50 kernels L0 implementados (scalar reference)
  • Tests 100% passing
  • Benchmarks baseline establecidos
  • Documentation completa por kernel
  • Examples de uso

ESTIMACIN: 6 semanas

TAREA 3: Atom Implementations L1 - Bloques LEGO del Audio

Carpeta: 05_27_02_atom_implementations

DESARROLLO:

  1. Core Implementation
  2. Oscillator Atoms (12 atoms):
    • WavetableOscillator (interpolacin lineal/cbica)
    • AnalogOscillator (saw, square, triangle con anti-aliasing)
    • FMOscillator (FM 2-operator bsico)
    • PMOscillator (Phase modulation)
    • NoiseGenerator (white, pink, brown)
    • PulseOscillator (PWM con anti-aliasing)
    • SuperSawOscillator (7-oscillator supersaw)
    • GranularOscillator (sntesis granular bsica)
    • AdditiveOscillator (sntesis aditiva)
    • WalshOscillator (funciones Walsh)
    • ChaoticOscillator (Lorenz, Rssler)
    • SamplePlayer (sample playback con loop)
  3. Envelope Atoms (8 atoms):
    • ADSR (Attack/Decay/Sustain/Release clsico)
    • ADR (sin Sustain)
    • MultiSegmentEnvelope (N puntos arbitrarios)
    • EnvelopeFollower (RMS, peak detection)
    • ExponentialEnvelope (curvas exponenciales)
    • TableEnvelope (tabla lookup)
    • RetriggerableEnvelope (re-trigger suave)
    • VelocitySensitiveEnvelope (respuesta a velocity)
  4. Delay Atoms (10 atoms):
    • CircularDelay (delay line circular eficiente)
    • FractionalDelay (interpolacin allpass/linear)
    • ModulatedDelay (delay con modulacin LFO)
    • AllpassDelay (allpass para reverbs)
    • TapDelay (multi-tap con feedback)
    • PingPongDelay (ping-pong estreo)
    • DiffusionDelay (difusin para reverb)
    • GrainDelay (delay granular)
    • ReversedDelay (playback reverso)
    • TempoSyncDelay (sync a tempo)
  5. Modulator Atoms (10 atoms):
    • LFO (sine, saw, square, triangle, random)
    • StepSequencer (secuenciador de pasos)
    • Arpeggiator (arpeggiator bsico)
    • SampleAndHold (S&H con trigger)
    • Slew (slew rate limiter)
    • FollowEnvelope (envelope follower)
    • RingModulator (ring mod con carrier)
    • AMModulator (amplitude modulation)
    • Tremolo (tremolo effect)
    • Vibrato (vibrato effect)
  6. Estado interno encapsulado
  7. Thread-safe parameter updates (atomic/double-buffer)
  8. Reset/initialize methods

  9. Latency reporting

  10. Testing Framework

  11. Unit tests por atom (50+ tests)
  12. State persistence tests
  13. Thread safety tests
  14. Modulation response tests
  15. Performance benchmarks
  16. Integration tests (atoms combinados)

  17. Test coverage > 95%

  18. Documentacin

  19. API documentation completa
  20. State management guide
  21. Thread safety guarantees
  22. Usage examples

  23. Composition patterns

  24. Interfaces y Conexiones

  25. IAtom base interface
  26. IModulatable interface
  27. IStateful interface
  28. Parameter change notification
  29. Preset serialization

ENTREGABLES:

  • 40+ atoms L1 implementados
  • Thread-safe parameter handling
  • Tests passing con >95% coverage
  • Documentation completa
  • Composition examples

ESTIMACIN: 4 semanas

TAREA 4: Cell Implementations L2 - Mdulos de Rack Virtual

Carpeta: 05_27_03_cell_implementations

DESARROLLO:

  1. Core Implementation
  2. Effects Cells (15 cells):
    • ReverbHall (Schroeder-Moorer mejorado)
    • ReverbPlate (plate reverb)
    • ReverbRoom (early reflections + late)
    • DelayLine (delay estreo profesional)
    • ChorusEffect (chorus multi-voice)
    • FlangerEffect (flanger con feedback)
    • PhaserEffect (phaser 4-12 stages)
    • TremoloEffect (tremolo estreo)
    • VibratoEffect (vibrato con depth/rate)
    • DistortionEffect (multi-type distortion)
    • BitCrusher (bit crushing + downsampling)
    • RingModulator (ring mod con carrier osc)
    • FrequencyShifter (single-sideband)
    • PitchShifter (pitch shifting granular)
    • RotarySpeaker (Leslie simulator)
  3. Dynamics Cells (10 cells):
    • Compressor (feed-forward/feedback)
    • LimiterLookahead (look-ahead limiter)
    • Gate (noise gate con hysteresis)
    • Expander (upward/downward)
    • TransientDesigner (transient shaper)
    • MultibandCompressor (3-4 bandas)
    • DeEsser (de-esser frequency-selective)
    • EnvelopeFollower (RMS/peak con attack/release)
    • Leveler (automatic leveling)
    • SidechainCompressor (sidechain input)
  4. Spectral Cells (8 cells):
    • Vocoder (vocoder 16-32 bandas)
    • PitchShiftSpectral (phase vocoder)
    • TimeStretch (time stretching WSOLA)
    • SpectralFilter (filtrado frecuencia)
    • SpectralDelay (delay por banda)
    • HarmonicExciter (harmonic enhancer)
    • NoiseReduction (noise reduction espectral)
    • AutoTune (pitch correction)
  5. Analyzer Cells (7 cells):
    • SpectrumAnalyzer (FFT analyzer)
    • Oscilloscope (waveform display)
    • PhaseScope (Lissajous/phase)
    • LoudnessMeter (LUFS metering)
    • CorrelationMeter (correlacin estreo)
    • SpectrogramDisplay (spectrogram real-time)
    • VUMeter (VU ballistics)
  6. Latency reporting y compensacin
  7. Preset system integrado
  8. Sidechain inputs donde aplicable

  9. Automation smoothing

  10. Testing Framework

  11. Unit tests por cell
  12. Audio quality tests (THD, SNR)
  13. Latency measurement tests
  14. Preset load/save tests
  15. Performance benchmarks
  16. Integration tests

  17. Test coverage > 90%

  18. Documentacin

  19. User-facing documentation
  20. Parameter descriptions
  21. Preset examples
  22. Algorithm theory

  23. Performance characteristics

  24. Interfaces y Conexiones

  25. ICell base interface
  26. ISidechain interface
  27. IPresetable interface
  28. Latency compensation API
  29. Automation interfaces

ENTREGABLES:

  • 40 cells L2 implementados
  • Preset system funcionando
  • Latency compensation correcta
  • Tests >90% coverage
  • Documentation completa

ESTIMACIN: 6 semanas

TAREA 5: Engine Implementations L3 - Naves Espaciales del Audio

Carpeta: 05_27_04_engine_implementations

DESARROLLO:

  1. Core Implementation
  2. Synthesizer Engines (8 engines):
    • AnalogSynthEngine (analog modeling completo)
    • FMSynthEngine (FM synthesis 6-operator)
    • WavetableSynthEngine (wavetable con morphing)
    • GranularSynthEngine (granular synthesis avanzado)
    • AdditiveSynthEngine (additive con partials)
    • SamplerEngine (sampler multi-sample)
    • HybridSynthEngine (hybrid analog+digital)
    • ModularSynthEngine (modular patcheable)
  3. Processor Engines (6 engines):
    • ChannelStripEngine (EQ + Dynamics + FX)
    • MultibandProcessorEngine (multiband todo)
    • SpatialProcessorEngine (spatial audio)
    • VocalProcessorEngine (vocal processing)
    • MixingConsoleEngine (console completa)
    • EffectsChainEngine (FX chain flexible)
  4. Instrument Engines (4 engines):
    • DrumMachineEngine (drum machine)
    • BassEngineEngine (bass synth especializado)
    • PadEngineEngine (pad synth atmospheric)
    • OrchestraEngine (orchestral sampler)
  5. Mastering Engines (4 engines):
    • MasteringSuiteEngine (mastering completo)
    • LoudnessProcessorEngine (loudness processing)
    • StereoEnhancerEngine (stereo imaging)
    • FinalLimiterEngine (limiter final)
  6. Voice management (polifona 32+ voces)
  7. Voice allocation (stealing inteligente)
  8. MIDI/MPE processing
  9. Modulation matrix
  10. Effects routing
  11. Preset management completo

  12. Resource pooling

  13. Testing Framework

  14. End-to-end tests
  15. Voice allocation tests
  16. MIDI processing tests
  17. Performance stress tests (32 voces)
  18. Memory leak tests
  19. Long-running stability tests

  20. Test coverage > 85%

  21. Documentacin

  22. User manuals
  23. Preset creation guide
  24. Architecture overview
  25. Performance tuning guide

  26. MIDI implementation chart

  27. Interfaces y Conexiones

  28. IEngine base interface
  29. IVoiceManager interface
  30. IMIDIProcessor interface
  31. IPresetManager interface
  32. Host integration (VST3, AU, AAX)

ENTREGABLES:

  • 22 engines L3 completos
  • Voice management robusto
  • MIDI/MPE processing
  • Tests >85% coverage
  • User documentation

ESTIMACIN: 8 semanas

TAREA 6: Optimization Variants - Mismo Algoritmo, Mltiples Sabores

Carpeta: 05_27_05_optimization_variants

DESARROLLO:

  1. Core Implementation
  2. Reference Implementations (baseline):
    • Scalar C++ sin optimizaciones
    • Claridad sobre performance
    • Base para validacin
  3. SSE4.2 Variants:
    • 128-bit SIMD (4 floats paralelos)
    • Intrinsics: _mm_add_ps, _mm_mul_ps, etc.
    • 15+ kernels crticos optimizados
  4. AVX2 Variants:
    • 256-bit SIMD (8 floats paralelos)
    • FMA support (_mm256_fmadd_ps)
    • 15+ kernels optimizados
  5. AVX-512 Variants:
    • 512-bit SIMD (16 floats paralelos)
    • Masking operations
    • 10+ kernels ms usados
  6. ARM NEON Variants:
    • 128-bit SIMD ARM
    • Intrinsics: vaddq_f32, vmulq_f32
    • 15+ kernels para mobile/Apple Silicon
  7. ARM SVE Variants (future):
    • Scalable Vector Extension
    • Vector length agnostic
  8. Runtime dispatcher automtico:
    • CPU feature detection
    • Function pointer selection
    • Fallback a scalar si necesario

  9. Validation framework:

    • Bit-exact comparison donde posible
    • Epsilon tolerance donde necesario

  10. Testing Framework

  11. Correctness tests (variant == reference)
  12. Performance benchmarks (speedup measurement)
  13. CPU detection tests
  14. Fallback mechanism tests
  15. Cross-variant consistency

  16. Test coverage > 90%

  17. Documentacin

  18. Optimization guide
  19. SIMD intrinsics reference
  20. Performance characteristics
  21. When to use which variant

  22. Writing new variants guide

  23. Interfaces y Conexiones

  24. Dispatcher API
  25. CPU capabilities interface
  26. Variant registration system
  27. Benchmark harness
  28. Integration con _01 (kernels)

ENTREGABLES:

  • Variantes SSE4/AVX2/AVX-512/NEON
  • Dispatcher runtime funcionando
  • 2x+ speedup demostrado
  • Tests correctness passing
  • Documentation completa

ESTIMACIN: 6 semanas

TAREA 7: Testing Integration - Confianza a Travs de Verificacin

Carpeta: 05_27_06_testing_integration

DESARROLLO:

  1. Core Implementation
  2. Unit Tests (1000+ tests):
    • Catch2 framework
    • Test por cada funcin pblica
    • Edge cases exhaustivos
    • Parametric tests
  3. Integration Tests (200+ tests):
    • Atoms Cells Engines
    • Multi-module chains
    • Preset load/save
    • State persistence
  4. Performance Tests (100+ benchmarks):
    • Google Benchmark framework
    • Latency measurement
    • Throughput measurement
    • Memory bandwidth
  5. Validation Tests:
    • Impulse response validation
    • Frequency response validation
    • THD measurement
    • SNR measurement
    • Bit-exactness tests
  6. Stress Tests:
    • 24h continuous processing
    • Memory leak detection
    • Thread safety under load
    • Xrun detection
  7. Regression Tests:
    • Golden output comparison
    • Performance regression detection
    • API compatibility tests

  8. CI/CD integration:

    • GitHub Actions workflows
    • Automated test execution
    • Coverage reporting

  9. Testing Framework

  10. Meta-tests (test the tests)
  11. Test infrastructure tests
  12. Coverage measurement tools
  13. Mutation testing setup

  14. Test coverage > 95%

  15. Documentacin

  16. Testing strategy document
  17. Writing tests guide
  18. CI/CD integration guide
  19. Coverage analysis guide

  20. Debugging test failures

  21. Interfaces y Conexiones

  22. Test fixtures shared
  23. Mock objects library
  24. Test data generators
  25. Assertion helpers
  26. Integration con todos los subsistemas

ENTREGABLES:

  • 1000+ unit tests passing
  • 200+ integration tests
  • 100+ performance benchmarks
  • >95% code coverage
  • CI/CD automated
  • 24h stress test passing

ESTIMACIN: 4 semanas (continuo durante desarrollo)

TAREA 8: Build Configuration - Orquestacin de la Compilacin

Carpeta: 05_27_07_build_configuration

DESARROLLO:

  1. Core Implementation
  2. CMake Configuration:
    • CMakeLists.txt principal modular
    • Feature detection (SIMD, GPU)
    • Compiler detection (MSVC, GCC, Clang)
    • Platform detection (Windows, macOS, Linux)
    • Target configuration (Debug, Release, RelWithDebInfo)
  3. Build Targets:
    • audiolab_dsp (shared library)
    • audiolab_dsp_static (static library)
    • Per-level targets (l0_kernels, l1_atoms, etc.)
    • Test executables
    • Benchmark executables
  4. Compiler Flags:
    • Optimization flags (-O3, -march=native)
    • Warning flags (-Wall, -Wextra, -Werror)
    • Sanitizer flags (address, thread, undefined)
    • Debug flags (-g, -O0)
  5. Dependency Management:
    • vcpkg integration
    • Conan integration (alternative)
    • Submodules para third-party
  6. Cross-Compilation:
    • Toolchain files
    • iOS/Android support
    • Cross-compile scripts

  7. Build Scripts:

    • build.sh (Unix)
    • build.bat (Windows)
    • clean.sh/bat
    • install.sh/bat

  8. Testing Framework

  9. Build system tests
  10. Dependency resolution tests
  11. Cross-compilation tests
  12. Clean build tests
  13. Incremental build tests

  14. Test coverage > 90%

  15. Documentacin

  16. Build system architecture
  17. Building from source guide
  18. CMake options reference
  19. Cross-compilation guide

  20. Troubleshooting guide

  21. Interfaces y Conexiones

  22. Package config files (.pc, Config.cmake)
  23. Export targets
  24. Install rules
  25. Integration con CI/CD

ENTREGABLES:

  • CMake completo multi-platform
  • <5min full rebuild (8 cores)
  • Cross-compilation working
  • Dependency management
  • Documentation completa

ESTIMACIN: 2 semanas

TAREA 9: Documentation Inline - Cdigo Auto-Documentado

Carpeta: 05_27_08_documentation_inline

DESARROLLO:

  1. Core Implementation
  2. Doxygen Configuration:
    • Doxyfile completo
    • HTML output styled
    • LaTeX/PDF optional
    • Graphviz integration
  3. Documentation Standards:
    • Function/class headers
    • Parameter descriptions
    • Return value documentation
    • Complexity analysis
    • Example code
    • See also references
  4. Theory Documentation:
    • Mathematical background
    • Algorithm descriptions
    • DSP theory inline
    • References a papers
  5. API Reference:
    • All public APIs documented
    • Internal APIs documented
    • Deprecated APIs marked
  6. Examples:
    • Usage examples inline
    • Tutorial examples separate
    • Advanced examples

  7. Generation Automation:

    • CI/CD documentation build
    • Deploy to GitHub Pages
    • Version tagging

  8. Testing Framework

  9. Documentation coverage check
  10. Example code compilation tests
  11. Link validity tests
  12. Doxygen warnings as errors

  13. Test coverage > 90%

  14. Documentacin

  15. Documentation style guide
  16. Writing good docs guide
  17. Doxygen syntax reference

  18. Examples of good docs

  19. Interfaces y Conexiones

  20. Integration con cdigo fuente
  21. Cross-reference generation
  22. Search functionality
  23. Navigation structure

ENTREGABLES:

  • 100% public APIs documented
  • Doxygen HTML generation
  • Theory docs inline
  • Examples compilable
  • CI/CD automated

ESTIMACIN: 3 semanas (continuo)

TAREA 10: Performance Profiling - Medicin Obsesiva

Carpeta: 05_27_09_performance_profiling

DESARROLLO:

  1. Core Implementation
  2. Profiling Framework:
    • Macro-based profiling (PROFILE_SCOPE)
    • Zero overhead when disabled
    • Hierarchical scopes
    • Thread-aware profiling
  3. Metrics Captured:
    • CPU usage (% per module)
    • Memory bandwidth (GB/s)
    • Cache misses (L1/L2/L3)
    • Branch mispredictions
    • SIMD utilization
    • Latency distribution (P50/P95/P99)
  4. Profiling Tools Integration:
    • Intel VTune integration
    • perf integration (Linux)
    • Instruments integration (macOS)
    • Visual Studio Profiler
  5. Custom Profiler:
    • Lightweight profiler built-in
    • Real-time visualization
    • Export to Chrome Tracing format
  6. Benchmarking Suite:
    • Google Benchmark framework
    • Micro-benchmarks
    • Macro-benchmarks
    • Regression detection

  7. Telemetry System:

    • Runtime metrics collection
    • Aggregation y reporting
    • Remote monitoring (optional)

  8. Testing Framework

  9. Profiling overhead tests
  10. Telemetry accuracy tests
  11. Benchmark stability tests
  12. Performance regression tests

  13. Test coverage > 85%

  14. Documentacin

  15. Profiling guide
  16. Interpreting results guide
  17. Optimization workflow
  18. Tools integration guide

  19. Benchmarking best practices

  20. Interfaces y Conexiones

  21. Profiling API
  22. Metrics export API
  23. Visualization integration
  24. CI/CD performance tracking

ENTREGABLES:

  • Profiling framework integrado
  • Benchmarking suite completo
  • Telemetry system funcionando
  • Tools integration
  • Documentation completa

ESTIMACIN: 3 semanas

TAREA 11: Memory Management - Memoria como Recurso Crtico

Carpeta: 05_27_10_memory_management

DESARROLLO:

  1. Core Implementation
  2. Pool Allocators:
    • Fixed-size pool allocator
    • Variable-size pool allocator
    • Thread-local pools
    • Cache-line aligned allocations
  3. Stack Allocators:
    • Linear allocator (bump pointer)
    • Stack with RAII cleanup
    • Temporary allocation arena
  4. Lock-Free Structures:
    • Single-producer/single-consumer ring buffer
    • Multi-producer/single-consumer queue
    • Lock-free stack
    • Hazard pointers for memory reclamation
  5. Custom Allocators:
    • Audio thread allocator (pre-allocated)
    • UI thread allocator (standard)
    • Shared memory allocator
  6. Memory Tracking:
    • Allocation tracking
    • Leak detection
    • Memory usage statistics
    • Peak memory monitoring

  7. Platform Abstractions:

    • aligned_alloc wrapper
    • NUMA-aware allocation
    • Huge pages support

  8. Testing Framework

  9. Allocator correctness tests
  10. Thread safety tests
  11. Memory leak tests
    • Performance tests (allocation speed)
  12. Stress tests (concurrent allocations)

  13. Test coverage > 95%

  14. Documentacin

  15. Memory management strategy
  16. Allocator usage guide
  17. Lock-free programming guide
  18. Real-time constraints guide

  19. Debugging memory issues

  20. Interfaces y Conexiones

  21. STL-compatible allocators
  22. Custom allocator interfaces
  23. Memory pool API
  24. Integration con todo el sistema

ENTREGABLES:

  • Pool allocators completos
  • Lock-free structures
  • Zero allocations audio thread
  • Tests >95% coverage
  • Documentation completa

ESTIMACIN: 3 semanas

TAREA 12: SIMD Intrinsics - Vectorizacin Explcita

Carpeta: 05_27_11_simd_intrinsics

DESARROLLO:

  1. Core Implementation
  2. Abstraction Layer:
    • Unified vector types (Vec4f, Vec8f, Vec16f)
    • Platform-specific implementations
    • Compile-time dispatch
  3. Basic Operations:
    • Arithmetic (add, sub, mul, div)
    • FMA (fused multiply-add)
    • Min/max operations
    • Comparison operations
    • Logical operations (and, or, xor)
  4. Advanced Operations:
    • Horizontal operations (hadd, dot)
    • Shuffle/permute operations
    • Gather/scatter (where supported)
    • Transcendental approximations (sin, cos, exp, log)
  5. Memory Operations:
    • Aligned/unaligned loads
    • Stream stores (non-temporal)
    • Prefetch hints
  6. Platform Implementations:
    • SSE/SSE2/SSE4 (x86)
    • AVX/AVX2/AVX-512 (x86)
    • NEON (ARM)
    • SVE (ARM scalable - future)

  7. Fallback Scalar:

    • Scalar implementation cuando no hay SIMD
    • Same API, different backend

  8. Testing Framework

  9. Correctness tests (SIMD == scalar)
  10. Performance tests (speedup measurement)
  11. Platform-specific tests
  12. Alignment tests
  13. Edge case tests

  14. Test coverage > 90%

  15. Documentacin

  16. SIMD abstraction guide
  17. Intrinsics reference
  18. Writing SIMD code guide
  19. Performance optimization tips

  20. Platform differences guide

  21. Interfaces y Conexiones

  22. Vector type traits
  23. Compile-time feature detection
  24. Integration con _05 (optimizations)
  25. Integration con _01 (kernels)

ENTREGABLES:

  • Abstraction layer completa
  • SSE/AVX/NEON implementations
  • >80% vectorization achieved
  • Tests passing all platforms
  • Documentation completa

ESTIMACIN: 4 semanas

TAREA 13: GPU Acceleration - Paralelismo Masivo

Carpeta: 05_27_12_gpu_acceleration

DESARROLLO:

  1. Core Implementation
  2. CUDA Kernels:
    • Batch FFT implementation
    • Convolution reverb (large IR)
    • Granular synthesis (1000s grains)
    • Spectral processing
  3. Metal Kernels (macOS/iOS):
    • Same algorithms en Metal Shading Language
    • Compute pipeline setup
    • Buffer management
  4. OpenCL Kernels (generic):
    • Fallback portable implementation
    • Cross-vendor support
  5. Vulkan Compute (future):
    • Modern compute API
    • Cross-platform
  6. Host Integration:
    • Async transfer CPUGPU
    • Buffer pooling
    • Stream management
    • Error handling

  7. Hybrid Processing:

    • CPU + GPU splitting
    • Load balancing
    • Fallback to CPU

  8. Testing Framework

  9. GPU correctness tests (GPU == CPU)
  10. Performance benchmarks (speedup)
  11. Memory transfer overhead tests
  12. Multi-GPU tests (where available)
  13. Fallback tests (no GPU)

  14. Test coverage > 80%

  15. Documentacin

  16. GPU acceleration guide
  17. When to use GPU guide
  18. CUDA/Metal/OpenCL differences
  19. Performance tuning guide

  20. Debugging GPU code

  21. Interfaces y Conexiones

  22. GPU abstraction interface
  23. Backend selection API
  24. Memory management API
  25. Integration con engines L3

ENTREGABLES:

  • CUDA kernels funcionando
  • Metal kernels (macOS)
  • OpenCL fallback
  • 10x+ speedup batch operations
  • Documentation completa

ESTIMACIN: 6 semanas (opcional - no blocking)

TAREA 14: Cross-Platform - Un Cdigo, Mltiples Mundos

Carpeta: 05_27_13_cross_platform

DESARROLLO:

  1. Core Implementation
  2. Platform Detection:
    • OS detection (Windows, macOS, Linux, iOS, Android)
    • Architecture detection (x86-64, ARM64, ARM32)
    • Compiler detection (MSVC, GCC, Clang)
  3. Platform Abstractions:
    • File system operations
    • Thread primitives
    • Atomic operations
    • High-precision timers
    • Memory allocation
    • Dynamic library loading
  4. Windows Support:
    • MSVC compatibility
    • MinGW support
    • Windows-specific optimizations
  5. macOS Support:
    • Xcode compatibility
    • Apple Silicon optimization
    • Frameworks integration (Accelerate)
  6. Linux Support:
    • GCC/Clang compatibility
    • Distribution packaging
    • JACK/ALSA integration
  7. iOS Support:
    • ARM64 optimization
    • Metal integration
    • Sandbox constraints

  8. Android Support:

    • NDK integration
    • NEON optimization
    • Oboe audio framework

  9. Testing Framework

  10. Per-platform tests
  11. Cross-compilation tests
  12. Behavior consistency tests
  13. Performance parity tests

  14. Test coverage > 85%

  15. Documentacin

  16. Cross-platform architecture
  17. Platform-specific notes
  18. Building per platform
  19. Known issues per platform

  20. Migration guides

  21. Interfaces y Conexiones

  22. Platform abstraction API
  23. Conditional compilation macros
  24. Feature detection runtime
  25. Integration con build system

ENTREGABLES:

  • Windows/macOS/Linux support
  • iOS/Android support (optional)
  • Single codebase
  • Tests passing all platforms
  • Documentation completa

ESTIMACIN: 4 semanas

TAREA 15: Code Generation - Automatizacin de Boilerplate

Carpeta: 05_27_14_code_generation

DESARROLLO:

  1. Core Implementation
  2. Template System:
    • Jinja2-based templates
    • Code generation scripts (Python)
    • DSL para especificar generadores
  3. Generators:
    • Filter implementation generator
    • SIMD variant generator
    • Test generator
    • Benchmark generator
    • Documentation generator
  4. Automatic Generation:
    • Lookup tables (sin, tanh, etc.)
    • Coefficient tables
    • Window functions
    • Compile-time computations
  5. Constexpr Generation:
    • C++20 constexpr functions
    • Compile-time arrays
    • Template metaprogramming

  6. Build Integration:

    • CMake custom commands
    • Pre-build generation
    • Dependency tracking

  7. Testing Framework

  8. Generated code compilation tests
  9. Generated code correctness tests
  10. Generator regression tests
  11. Template syntax tests

  12. Test coverage > 85%

  13. Documentacin

  14. Code generation guide
  15. Writing generators guide
  16. Template syntax reference

  17. Examples de generacin

  18. Interfaces y Conexiones

  19. Generator API
  20. Template library
  21. Integration con build
  22. Integration con _01, _02, _03

ENTREGABLES:

  • Template system funcionando
  • 5+ generators tiles
  • Automatic table generation
  • Build integration
  • Documentation completa

ESTIMACIN: 3 semanas

TAREA 16: Debugging Support - Diagnstico sin Recompilacin

Carpeta: 05_27_15_debugging_support

DESARROLLO:

  1. Core Implementation
  2. Assertion System:
    • AUDIOLAB_ASSERT macro
    • Context capture (file, line, function)
    • Custom assertion handlers
    • Stack trace capture
  3. Logging System:
    • Multi-level logging (TRACE, DEBUG, INFO, WARN, ERROR)
    • Multiple sinks (console, file, network)
    • Format strings (fmt library)
    • Per-module log levels
    • Thread-safe logging
  4. Debug Validation:
    • Range checking (DebugValue wrapper)
    • NaN/Inf detection
    • Buffer overflow detection
    • Denormal detection
  5. Telemetry:
    • Runtime metrics collection
    • Event tracking
    • Performance counters
    • Memory tracking
  6. Diagnostic Tools:
    • Audio buffer visualization
    • Parameter change tracking
    • State dumping
    • DSP graph visualization

  7. Conditional Compilation:

    • Debug code stripped in Release
    • Minimal overhead when disabled
    • Compile-time feature flags

  8. Testing Framework

  9. Assertion tests
  10. Logging tests
  11. Telemetry tests
  12. Debug validation tests
  13. Overhead measurement tests

  14. Test coverage > 90%

  15. Documentacin

  16. Debugging guide
  17. Logging guide
  18. Telemetry guide
  19. Writing debug code guide

  20. Troubleshooting guide

  21. Interfaces y Conexiones

  22. Assertion API
  23. Logging API
  24. Telemetry API
  25. Integration con todo el sistema

ENTREGABLES:

  • Assertion system completo
  • Multi-level logging
  • Telemetry funcionando
  • Debug tools implementados
  • Documentation completa

ESTIMACIN: 2 semanas

TAREA FINAL-A: Integration Testing & Validation

Carpeta: 05_27_test_integration

DESARROLLO:

  1. End-to-End Test Suite
  2. Complete audio pipeline tests
  3. Multi-level chain tests (L0L1L2L3)
  4. Preset load/save/restore cycles
  5. State persistence tests

  6. Long-running stability tests

  7. Cross-Subsystem Validation

  8. Integration con 03_ALGORITHM_SPEC (spec compliance)
  9. Integration con 22_COEFFICIENT_CALCULATOR (coeff validation)
  10. Integration con 30_TESTING_FRAMEWORK (test execution)

  11. Integration con 18_QUALITY_METRICS (performance validation)

  12. Stress Testing

  13. 24h continuous processing test
  14. 0 xruns requirement
  15. Memory leak detection (Valgrind, ASAN)
  16. Thread sanitizer (TSAN)

  17. Undefined behavior sanitizer (UBSAN)

  18. Audio Quality Validation

  19. THD+N measurement
  20. SNR measurement
  21. Frequency response validation
  22. Impulse response validation

  23. Bit-exactness tests

  24. Performance Validation

  25. Latency < 1ms @ 48kHz
  26. CPU < 0.1% per voice
  27. Memory usage reasonable
  28. SIMD utilization > 80%

ENTREGABLES:

  • E2E tests completos
  • 24h stress test passing (0 xruns)
  • Audio quality validated
  • Performance dentro de specs
  • Cross-subsystem integration

ESTIMACIN: 2 semanas

TAREA FINAL-B: System Integration

Carpeta: 05_27_interfaces

DESARROLLO:

  1. Conectores con Subsistemas (SYMLINKS)
  2. algorithm_specs/ ../03_ALGORITHM_SPEC/
  3. code_templates/ ../28_TEMPLATES/
  4. build_tools/ ../20_FABRICATION_TOOLS/
  5. test_framework/ ../30_TESTING_FRAMEWORK/
  6. performance_metrics/ ../18_QUALITY_METRICS/
  7. coeff_calc/ ../22_COEFFICIENT_CALCULATOR/

  8. ml_models/ ../26_MACHINE_LEARNING/models/

  9. Public API Definition

  10. C API para maximum compatibility
  11. C++ API con templates
  12. Plugin format APIs (VST3, AU, AAX, CLAP)

  13. Versioned APIs

  14. Build Artifacts

  15. Shared libraries (.so, .dll, .dylib)
  16. Static libraries (.a, .lib)
  17. Header-only libraries (templates)

  18. Plugin bundles

  19. Installation

  20. Install targets CMake
  21. Package generation (deb, rpm, pkg)
  22. Framework bundles (macOS)
  23. Installer scripts

ENTREGABLES:

  • Symlinks configurados
  • Public APIs definidas
  • Build artifacts generados
  • Installation working
  • Integration validated

ESTIMACIN: 1 semana

TAREA FINAL-C: Documentation Package

Carpeta: 05_27_documentation

DESARROLLO:

  1. Complete API Reference
  2. Doxygen HTML complete
  3. PDF manual (optional)
  4. Search functionality
  5. Cross-references

  6. Code examples

  7. Developer Guide

  8. Getting started
  9. Building from source
  10. Contributing guide
  11. Architecture overview

  12. Performance optimization guide

  13. Theory Documentation

  14. DSP theory reference
  15. Algorithm descriptions
  16. Mathematical background

  17. References to papers

  18. Examples & Tutorials

  19. Basic usage examples
  20. Advanced examples
  21. Tutorial series

  22. Video tutorials (optional)

  23. Architecture Diagrams

  24. System architecture
  25. Class hierarchies
  26. Data flow diagrams
  27. Sequence diagrams

ENTREGABLES:

  • API reference completa
  • Developer guide
  • Theory documentation
  • Examples & tutorials
  • Architecture diagrams

ESTIMACIN: 2 semanas

CRITERIOS DE XITO

Funcionales

  • Todas las 16 subcarpetas implementadas
  • Jerarqua L0-L3 completa (50+ kernels, 40+ atoms, 40+ cells, 22+ engines)
  • 100% especificaciones tienen cdigo ejecutable
  • Dispatching runtime automtico funcionando

Performance

  • Kernels L0: <1 ciclo/sample para operaciones bsicas
  • Latencia total: <1ms @ 48kHz cadena completa
  • CPU per voice: <0.1% en CPU moderna
  • SIMD utilization: >80% donde aplicable
  • 2x+ speedup variantes optimizadas vs scalar

Calidad

  • Test coverage: >95% lneas, 100% caminos crticos
  • Error numrico: <-120dB vs implementacin referencia
  • Zero glitches: 0 xruns en 24h stress test
  • 100% APIs pblicas documentadas

Platform

  • Windows, macOS, Linux fully functional
  • iOS, Android support (optional nice-to-have)
  • Compilation time: <5min full rebuild (8 cores)
  • Binary size: <10MB con symbols

Integration

  • Symlinks configurados y funcionando
  • Integration con 7 subsistemas hermanos
  • Build system multi-platform
  • Installation packages generados

RESUMEN EJECUTIVO

Subsistema: 05_27_IMPLEMENTATIONS - Repositorio de Cdigo C++ Multi-Nivel

Propsito: Corazn ejecutable de toda la arquitectura AudioLab - materializacin de especificaciones abstractas en cdigo C++ optimizado de alta performance.

Componentes: 16 subsistemas + 3 mdulos de integracin

Estimacin Total: 12 meses-persona (52 semanas)

Criticidad: PPPPP (Sin esto no hay producto ejecutable)

ROI Esperado: Base de cdigo reutilizable para prximos 10 aos

Dependencias Crticas: - 03_ALGORITHM_SPEC (especificaciones entrada) - 20_FABRICATION_TOOLS (herramientas generacin) - 28_TEMPLATES (templates cdigo) - 22_COEFFICIENT_CALCULATOR (coeficientes filtros) - 30_TESTING_FRAMEWORK (ejecucin tests) - 18_QUALITY_METRICS (validacin performance)

Mtricas Clave: - ~50,000 lneas cdigo C++ - 50+ kernels L0, 40+ atoms L1, 40+ cells L2, 22+ engines L3 - <1 ciclo/sample (kernels), <1ms latencia, <0.1% CPU/voice - >95% test coverage, 0 xruns 24h - Windows/macOS/Linux support

Documento generado: 2025-10-15 Versin: 1.0 Estado: Plan COMPLETO con 16 tareas detalladas listo para implementacin

Este es el subsistema ms grande y crtico de todo AudioLab. Representa donde la teora se vuelve realidad ejecutable.