d3fa7908ec
feed.via (FLY_FEED_VIA, default direct) and feed.bus_dir (FLY_BUS_DIR, default /run/fly/bus). In bus mode flysim does not bind the feed port: it starts a router on its own two-thread runtime with a closed policy (flysim may publish fly.feed.snapshots, fly-edge may only subscribe to it), listens for the edge on <bus_dir>/edge.sock, and a publisher task copies each snapshot out of the watch slot onto the latest-retained topic: frame, audio and spikes as sealed artifacts, the header as the envelope payload, or as a header artifact past 48 KiB. The sim thread still only writes its watch slot, so a slow bus costs snapshots on the bus and never a frame of the loop. feedbus holds both halves of the encoding, publish and receive, and the limits sized for the real 122,367-byte snapshot. Two counters are new: fly_bus_published_total and fly_bus_publish_failures_total.
63 lines
2.1 KiB
TOML
63 lines
2.1 KiB
TOML
[package]
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name = "flysim"
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version.workspace = true
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edition = "2024"
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rust-version.workspace = true
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license.workspace = true
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publish = false
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description = "The fly brain and its Game Boy, as a service: snapshot feed, control API, checkpoints."
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[lib]
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name = "flysim"
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path = "src/lib.rs"
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[[bin]]
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name = "flysim"
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path = "src/main.rs"
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[features]
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# The LIF tick on the GPU: a passthrough to `flybrain-core/cuda`, so a release build can carry
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# the backend without naming the inner crate on the command line
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# (`FLY_CARGO_FEATURES=cuda infra/build/build-flysim.sh`). Off by default.
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#
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# Compiling it in does not turn it on. The backend attaches only when `FLY_LIF_CUDA=1` is in
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# the process environment, and `cudarc` is built with `dynamic-loading`, so a CPU-only run of a
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# CUDA-capable binary never opens `libcuda` — `ldd` on it lists no CUDA library at all. The
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# compatibility string is unaffected, because the GPU tick is bit-exact with the CPU one
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# (`infra/docs/lif-cuda-spike.md`, `infra/docs/cuda-on-dev.md`).
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cuda = ["flybrain-core/cuda"]
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[dependencies]
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flybrain-core = { path = "../flybrain-core" }
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flybrain-gb = { path = "../flybrain-gb" }
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flybus = { path = "../flybus" }
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anyhow = "1.0"
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axum = { version = "0.8", features = ["ws"] }
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clap = { version = "4.5", features = ["derive"] }
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serde = { workspace = true }
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serde_json = { workspace = true }
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tokio = { version = "1", features = [
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"rt-multi-thread",
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"net",
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"sync",
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"time",
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"signal",
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"macros",
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] }
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toml = "0.9"
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tracing = "0.1"
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tracing-subscriber = { version = "0.3", features = ["env-filter"] }
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unicode-normalization = "0.1"
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[dev-dependencies]
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# The legacy profile's pinned identities (`tests/legacy_profile_identity.rs`): test-only, so the
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# service itself does not link the session types.
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fly-session-types = { path = "../fly-session-types" }
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futures-util = "0.3"
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# `default-features = false` drops the remote-reference resolver (and with it reqwest and a
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# TLS stack): `packages/feed/src/schema.json` is self-contained, so nothing has to be fetched.
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jsonschema = { version = "0.36", default-features = false }
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tempfile = "3"
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tokio-tungstenite = "0.29"
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tower = { version = "0.5", features = ["util"] }
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