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Optimize the WASI random_get implementation. (#4917)

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* Optimize the WASI `random_get` implementation.

Use `StdRng` instead of the `OsRng` in the default implementation of
`random_get`. This uses a userspace CSPRNG, making `random_get` 3x faster
in simple benchmarks.

* Update cargo-vet audits for cap-std 0.25.3.

* Update all cap-std packages to 0.25.3.
This commit is contained in:
Dan Gohman
2022-09-16 08:27:06 -07:00
committed by GitHub
parent 27435ae398
commit cbd2efd236
10 changed files with 50 additions and 43 deletions
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crates/bench-api/Cargo.toml
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@@ -25,7 +25,7 @@ wasmtime-wasi = { path = "../wasi" }
wasmtime-wasi-crypto = { path = "../wasi-crypto", optional = true }
wasmtime-wasi-nn = { path = "../wasi-nn", optional = true }
wasi-cap-std-sync = { path = "../wasi-common/cap-std-sync" }
cap-std = "0.25.0"
cap-std = "0.25.3"
[dev-dependencies]
wat = "1.0.45"