9413f5cf19
The drift page said an event loses its frame and every later one. Forcing each event's one bucket on the sink's route, read against that fabric's own run, shows that holds for the two events that lose the coder's state, at 7.3 and 7.4 dB, and not for the one that costs a single symbol: read alone it moves no sample by more than 1, stays at or above 64.4 dB, and never leaves the stream. Sections 4.5 and 5 now say so, with every figure marked into readings/gop/events.json. dcvc-drift gains --force and an event subcommand, and record refuses a forced run. record no longer needs the encoder's reference: the baseline's frames, rounded half to even, must carry the digests in fixture.json. The webgpu build gets a search path to the provider's library. verify.py holds each latent to its symbols, so an event erased with its bucket is refused, and holds a forced run to the event it repeats and to the run it is read against. Section 7 states which fields it recomputes, which it takes from a reading and which it can only hold together. The change note now says what ran: only the two sink's-route fabrics went through decode_envelope; the other five ran in the loop alone. Co-Authored-By: Claude Opus 5.5 <[email protected]>
31 lines
1.2 KiB
TOML
31 lines
1.2 KiB
TOML
# Drift and desync of the float inter-frame decoder `wai.neural.dcvc_rt`, per frame and per
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# fabric: research/dcvc-drift.md is the record this tool writes.
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#
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# A SEPARATE crate with its own lockfile, as ops-gpu-bench and quantum-meter are: it reads
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# the decoder's entropy stage from outside, so nothing here compiles in wai-rs's own builds
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# or tests.
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[package]
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name = "dcvc-drift"
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version = "0.0.0"
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edition = "2024"
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license = "Apache-2.0"
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publish = false
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[dependencies]
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wai = { path = "../../wai-rs", default-features = false, features = ["neural"] }
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# The version wai-rs's lockfile holds, so this tool and the decoder it measures link one
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# runtime.
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ort = { version = "=2.0.0-rc.13", default-features = false, features = ["std", "download-binaries", "ndarray", "tls-rustls"] }
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ndarray = "0.17"
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serde = { version = "1", features = ["derive"] }
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serde_json = "1"
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sha2 = "0.10"
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[features]
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# A GPU through the runtime's WebGPU provider. The default build has its CPU provider only.
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# That provider's library is a shared one: copy-dylibs links it beside the binary, and build.rs
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# gives the binary a search path to that directory.
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webgpu = ["ort/webgpu", "ort/copy-dylibs"]
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[profile.release]
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debug = false
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