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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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25
Cargo.lock generated
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@@ -234,9 +234,9 @@ checksum = "c4872d67bab6358e59559027aa3b9157c53d9358c51423c17554809a8858e0f8"
[[package]]
name = "cap-fs-ext"
version = "0.25.0"
version = "0.25.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "337ddae0c23990d98099a34db274fda588a3ddf89e1961aa2d3ae08d4572b746"
checksum = "438ca7f5bb15c799ea146429e4f8b7bfd25ff1eb05319024549a7728de45800c"
dependencies = [
"cap-primitives",
"cap-std",
@@ -246,12 +246,11 @@ dependencies = [
[[package]]
name = "cap-primitives"
version = "0.25.0"
version = "0.25.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5c13977868250c3102a1737c766c0fe0abea4c9d64b60566b55e3df084a46eb6"
checksum = "ba063daa90ed40882bb288ac4ecaa942d655d15cf74393d41d2267b5d7daf120"
dependencies = [
"ambient-authority",
"errno",
"fs-set-times",
"io-extras",
"io-lifetimes",
@@ -265,9 +264,9 @@ dependencies = [
[[package]]
name = "cap-rand"
version = "0.25.0"
version = "0.25.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ff1aa052bd5af24e9d1ad26db37c4bed43e45494366a03321f05beeafaf99bdb"
checksum = "c720808e249f0ae846ec647fe48cef3cea67e4e5026cf869c041c278b7dcae45"
dependencies = [
"ambient-authority",
"rand 0.8.5",
@@ -275,9 +274,9 @@ dependencies = [
[[package]]
name = "cap-std"
version = "0.25.0"
version = "0.25.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9dc3bec032b93533630adb5cd0e05f4eac5475bf3e9edafc562ccbc44fd5db06"
checksum = "0e3a603c9f3bd2181ed128ab3cd32fbde7cff76afc64a3576662701c4aee7e2b"
dependencies = [
"cap-primitives",
"io-extras",
@@ -288,9 +287,9 @@ dependencies = [
[[package]]
name = "cap-tempfile"
version = "0.25.0"
version = "0.25.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4e19d4852b4185065d0744d225fb961a79165f5a6dedfee9175457fbfd1a9bbb"
checksum = "86d435f791da84cb800b98a1de48d145a08e70d8172d335e87446c79b17bfbf3"
dependencies = [
"cap-std",
"rand 0.8.5",
@@ -300,9 +299,9 @@ dependencies = [
[[package]]
name = "cap-time-ext"
version = "0.25.0"
version = "0.25.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0486425152c6e3e45528baa8edff1c37e82056cb2105a82836989679b6509326"
checksum = "da76e64f3e46f8c8479e392a7fe3faa2e76b8c1cea4618bae445276fdec12082"
dependencies = [
"cap-primitives",
"once_cell",