Feature flags of Aprender crate // Lib.rs

Cargo Features

[dependencies]
aprender = { version = "0.27.4", default-features = false, features = ["parallel", "datasets", "format-compression", "format-signing", "format-encryption", "format-quantize", "format-homomorphic", "hf-hub-integration", "audio", "audio-capture", "audio-alsa", "audio-coreaudio", "audio-wasapi", "audio-webaudio", "audio-playback", "audio-codec", "audio-noise", "audio-noise-wasm", "safetensors-compare", "rag", "gpu", "model-tests", "cuda", "cpu-only", "showcase-profile", "showcase-zram", "chaos-basic", "chaos-byzantine", "chaos-full"] }

default = parallel

The parallel feature is set by default whenever aprender is added without default-features = false somewhere in the dependency tree.

parallel default = rayon

Enable parallel graph algorithms (disable for WASM)

datasets = alimentar

Enable data loading from alimentar

format-compression = lz4_flex, zstd

Enable LZ4/ZSTD compression for .apr format (spec §3.3, GH-146)

format-signing = ed25519-dalek

Enable Ed25519 signatures for .apr format (spec §4.2)

Affects format::signing, format::SIGNATURE_SIZE, format::PUBLIC_KEY_SIZE, gguf_pygmy_config::build_pygmy_apr_signed, gguf_pygmy_config::generate_test_signing_key…

format-encryption = aes-gcm, argon2, hkdf, sha2, x25519-dalek

Enable encryption for .apr format (spec §4.1)

Affects core_io_mmap::load_from_bytes_encrypted, encryption::save_encrypted, encryption::load_encrypted, encryption::save_for_recipient, encryption::load_as_recipient, format::encryption, format::SALT_SIZE, format::NONCE_SIZE, format::KEY_SIZE, format::X25519_PUBLIC_KEY_SIZE, format::RECIPIENT_HASH_SIZE, format::HKDF_INFO, gguf_pygmy_config::build_pygmy_apr_encrypted, gguf_pygmy_config::build_pygmy_apr_encrypted_default…

format-quantize = half

Enable quantization for .apr format (spec §6.2)

Affects format::quantize, gguf_pygmy_config::build_pygmy_quantize_data, gguf_pygmy_config::build_pygmy_q8_block, gguf_pygmy_config::build_pygmy_q4_block…

format-homomorphic

Enable homomorphic encryption for .apr format (spec: homomorphic-encryption-spec.md)

Affects format::homomorphic…

hf-hub-integration safetensors-compare? = dirs, hf-hub, sha2, ureq

Note: mmap is automatic on native platforms, no feature needed (spec: bundle-mmap-spec.md)
Enable Hugging Face Hub integration (GH-100, APR-PUB-001)

Affects sharded_index::parse_import_error, aprender::hf_hub…

audio audio-capture? audio-codec? audio-noise? audio-playback? = rustfft, thiserror

Enable audio processing (mel spectrogram, resampling)

Affects aprender::audio…

audio-capture audio-alsa? audio-coreaudio? audio-wasapi? audio-webaudio? = audio

Enable audio capture base functionality

audio-alsa = alsa, audio-capture

Enable ALSA audio capture (Linux only)

Affects capture::AlsaBackend…

audio-coreaudio = audio-capture

Enable CoreAudio capture (macOS only)

Affects capture::CoreAudioBackend…

audio-wasapi = audio-capture

Enable WASAPI capture (Windows only)

Affects capture::WasapiBackend…

audio-webaudio = audio-capture

Enable WebAudio capture (WASM only)

Affects capture::WebAudioBackend…

audio-playback = audio

Enable audio playback

Affects audio::playback…

audio-codec = audio

Enable audio codec decoding (WAV, MP3, AAC, FLAC, Opus)

Affects audio::codec…

audio-noise audio-noise-wasm? = audio

Enable ML-based noise generation (GH-144)

Affects audio::noise…

audio-noise-wasm = audio-noise, js-sys, wasm-bindgen

Enable WASM bindings for noise generator

Affects wasm::NoiseGeneratorWasm, wasm::noise_version…

safetensors-compare = half, hf-hub-integration, safetensors

Enable SafeTensors comparison (GH-121)

Affects inspect::safetensors, safetensors::HfSafetensors…

rag = trueno-rag

Enable RAG pipeline for document-based ML (GH-125)

Affects text::rag…

gpu

inference-monitoring feature removed — explainable types now unconditional (GH-305)
Enable GPU acceleration via trueno wgpu backend

Enables gpu of trueno

Core compute primitives - SIMD-accelerated tensor operations v0.14.5: wgpu adapter limits fix (buffer >256MB for 7B+ models)

model-tests

Enable heavy model/inference tests (requires models/ dir, ollama, GPU)

cuda

Enable CUDA monitoring via trueno-gpu (NVIDIA GPUs)

Enables cuda-monitor of trueno

cpu-only

showcase-profile

Renacer profiling (disabled: renacer→aprender circular dep)

Affects profiling::profiler…

showcase-zram = trueno-zram-core

Enable trueno-zram KV cache compression for showcase benchmarks (PAR-040)

Affects compression::zram…

chaos-basic chaos-byzantine? chaos-network?

Chaos engineering features (from renacer)

chaos-network chaos-byzantine chaos-full? = chaos-basic

chaos-full = chaos-byzantine, chaos-network

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

rustfft audio?

Enables rustfft