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a47bb71b22
ADR-185 §13 flagged the `[aether]` wheel as linking the whole
`wifi-densepose-sensing-server` Axum/tokio/worldgraph/ruvector tree via the
non-optional deps of that crate. Hoist the pure-compute AETHER stack out so the
binding depends only on pure Rust.
New crate `wifi-densepose-aether` (std-only, ZERO external deps) holds the four
self-contained modules the AETHER surface needs — `embedding`, `graph_transformer`,
`sona`, `sparse_inference` (verified: no serde/tokio/axum/crate:: refs outside the
set; the four form a closed dependency graph). `wifi-densepose-sensing-server`
now `pub use`s them from the leaf crate, so its own code (`crate::embedding`, …)
and public API (`wifi_densepose_sensing_server::embedding`, …) are unchanged —
`main.rs`/`trainer.rs` untouched. The Python binding + parity test + `[aether]`
feature repoint at the leaf crate; the sensing-server dep is dropped from python.
MEASURED wheel size (maturin build --release --features aether --strip; each
wheel install-verified to actually contain `AetherConfig`):
BEFORE (aether -> sensing-server): 369,782 B (~361 KB)
AFTER (aether -> leaf crate): 319,719 B (~312 KB)
HONEST CORRECTION to the §9/§13 premise: the pre-hoist wheel was NOT over the
ADR-117 §5.4 5 MB budget — it was ~361 KB, ~14x under. Linker dead-code
elimination (--gc-sections on the pyo3 cdylib) already strips the unreached
server tree because the binding only reaches pure-compute symbols. So this is
"blows the budget" CLAIMED, not MEASURED. The hoist is still worthwhile and
lands the real, measured wins:
- `[aether]` build time 71s -> 12s (no server tree to compile),
- python/Cargo.lock -1238 lines (server tree no longer resolved),
- ~50 KB smaller wheel,
- honest, minimal declared dependency surface + removes the latent risk that a
future change makes some server code reachable and *then* bloats the wheel.
Verified this session (real counts):
- cargo test --features aether --test aether_parity: 2 passed / 0 failed
- pytest tests/test_aether.py (maturin develop --features aether): 9 passed
- cargo test -p wifi-densepose-sensing-server --no-default-features: 217 bin +
388 lib, 0 failed (no regression)
- cargo test -p wifi-densepose-aether: 96 passed (the relocated unit tests)
The §9/§13 wheel-size narrative in ADR-185 (owned by the ADR author) should be
corrected to reflect the measured reality — flagged to the team lead.
22 lines
827 B
TOML
22 lines
827 B
TOML
[package]
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name = "wifi-densepose-aether"
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description = "AETHER pure-compute stack (ADR-024): contrastive CSI embedding, CSI-to-pose transformer, SONA drift/LoRA, and quantization — std-only, no async/server deps so the Python `[aether]` wheel stays lean (ADR-185 §3.2)"
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version = "0.3.0"
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edition.workspace = true
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authors.workspace = true
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license.workspace = true
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repository.workspace = true
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documentation.workspace = true
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keywords.workspace = true
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categories.workspace = true
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# Intentionally dependency-free: this crate is the leaf hoisted out of
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# `wifi-densepose-sensing-server` (ADR-185 §13) precisely so that binding it into
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# the `wifi_densepose[aether]` wheel does not pull the Axum/tokio/worldgraph/
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# ruvector server tree. Keep it std-only.
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[dependencies]
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[lib]
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name = "wifi_densepose_aether"
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path = "src/lib.rs"
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