This repository attempts to replicate the micro benchmark in the Julia repository (/test/perf) with a Rust implementation, which aims to make a general performance comparison among other programming languages.
The resulting program is based on the C implementation, but it's still mostly idiomatic Rust and does not have unsafe code.
This program has two modes:
-
By default, benchmarks with matrices (
randmatstatandrandmatmul) will usendarraywith experimental BLAS support. -
With the
direct_blasCargo feature, these benchmarks will use the C BLAS API directly via thecblascrate, which is currently faster but requires unsafe code.
In both cases, OpenBLAS is used as the BLAS implementation.
The project is experimental, and might still have bugs or unfair optimizations. Feel free to point them out if you find them.
This program uses a specific Rust nightly toolchain to work. With rustup, installing the toolchain mentioned in rust-toolchain is sufficient. Then:
cargo run --releaseTo run the direct BLAS version instead:
cargo run --release --features direct_blasThe Rust benchmarks (using nightly-2018-04-16) were compared with C (-O3) and Julia on the same machine.
| cputime | lang |
|---|---|
| 1.000 | C |
| 1.000 | Rust (direct BLAS) |
| 1.060 | Rust |
| 1.180 | Julia |
Most benchmarks are faster in Rust than in Julia, sometimes even faster than C. The fibonacci benchmark relies on black_box, and so might not be very well optimized. These results also depend on the toolchain used. The toolchain nightly-2017-10-24 is older, but would yield slightly better metrics.
Apache-2.0 / MIT
This code is based on the C implementation of the benchmark, with the MIT license:
Copyright (c) 2009-2016: Jeff Bezanson, Stefan Karpinski, Viral B. Shah, and other contributors:
https://github.com/JuliaLang/julia/contributors
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.