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These have all had backward-compatible changes.
Generated with:
```
cargo set-version --bump patch -p fs-mistrust
cargo set-version --bump patch -p test-temp-dir
cargo set-version --bump patch -p fslock-guard
cargo set-version --bump patch -p hashx
cargo set-version --bump patch -p equix
cargo set-version --bump patch -p caret
cargo set-version --bump patch -p safelog
cargo set-version --bump patch -p retry-error
```
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These are:
```
hashx
equix
tor-async-utils
tor-error
tor-config
tor-rtmock
tor-llcrypto
tor-bytes
tor-hscrypto
tor-hspow
tor-cert
tor-linkspec
tor-cell
tor-proto
tor-netdoc
tor-netdir
tor-chanmgr
tor-guardmgr
tor-dirmgr
tor-keymgr
tor-hsclient
tor-hsservice
arti-client
arti
```
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This is a small batch of improvements for the equix and hashx
benchmarks. The headline feature is that we are now including
the C implementations (slightly modified from tevador's, hosted
as part of c-tor) and using them in apples-to-apples comparisons.
Minor features:
- Benchmarks moved to new nested crates, preventing their
dependencies from spilling into the main workspace build.
- Tests are now grouped
- We also test the performance of memory reuse where possible
- Code cleanup for per-runtime options
These benchmark builds will now automatically pull in the c-tor
git repo and build portions of it with a Rust wrapper. This uses
the 'cc' and 'bindgen' crates, so it requires a C compiler and
libclang on the host system.
Signed-off-by: Micah Elizabeth Scott <[email protected]>
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More review feedback. Thanks nickm!
Signed-off-by: Micah Elizabeth Scott <[email protected]>
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This replaces the 'TODO' marker from earlier commits, using tevador's
copyright and license (LGPL 3.0 only) for the hashx and equix crates.
Signed-off-by: Micah Elizabeth Scott <[email protected]>
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This refactors the random number generator used within HashX's program
generator so that it uses the rand::RngCore trait. The basic SipHash
powered u64 generator now implements RngCore, while a buffer layer
wraps this and provides u8 and u32 values as needed by the generator.
Some of this new RngCore layer is now exposed to the hashx crate's
public API. The intent is to allow external code to test, benchmark, or
fuzz the program generator by supplying its own random number stream.
Benchmarks show a small but confusing performance improvement
associated with this patch. About a 2% improvement in generation.
This could be due to the Rng changes. No change in compiled hash
execution performance. Even though this patch only touches program
generation, benchmarks show a 4% speedup in interpreted execution.
This seems most likely explained by instruction cache effects,
but I'm not sure.
Signed-off-by: Micah Elizabeth Scott <[email protected]>
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This is a new pure Rust implementation of the HashX algorithm
designed by tevador for Tor's onion service proof of work puzzle v1.
HashX is a lightweight family of randomly generated hash functions.
A seed, via blake2 and siphash, drives a program generation model
which randomly selects opcodes and registers while following some
constraints that avoid timing stalls or insufficient hash mixing.
The execution of these hash funcions can be done using a pure Rust
interpreter, or about 20x faster using a very simple just in time
compiler based on the dynasm assembler crate. This has been
implemented for x86_64 and aarch64.
Signed-off-by: Micah Elizabeth Scott <[email protected]>
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