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6 changed files with 10 additions and 2036 deletions
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README.md
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README.md
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@ -59,18 +59,3 @@ algorithms in Rust and benchmark them. Let the battle begin.
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[rust]: https://www.rust-lang.org/
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[rust]: https://www.rust-lang.org/
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[gnuplot]: http://www.gnuplot.info/
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[gnuplot]: http://www.gnuplot.info/
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## Algorithms
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- `single thread`: No multi-threading or any optimization of any kind. Used as
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a reference.
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- `rayon`: Multi-threading provided by the `rayon` crate, but no optimization
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of any kind. Used as a reference.
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- `rayon sorted`: Multi-threading provided by the `rayon` crate. Tasks are
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sorted so the shortest ones are executed first.
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- `rayon sorted reverse`: Multi-threading provided by the `rayon` crate. Tasks
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are sorted so the longest ones are executed first. This should behave as an
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[LPT][lpt].
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[lpt]: https://en.wikipedia.org/wiki/Longest-processing-time-first_scheduling
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@ -1,14 +1,13 @@
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use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion};
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use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion};
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use rust_job_scheduling::algorithm::*;
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use rust_job_scheduling::algorithm::*;
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use rust_job_scheduling::data::*;
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use rust_job_scheduling::data::SMALL;
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use rust_job_scheduling::Task;
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use rust_job_scheduling::Task;
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const TEST_DATA: &[(&str, &[Task])] = &[("10 tasks", T_10), ("500 tasks", T_500)];
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const TEST_DATA: &[(&str, &[Task])] = &[("small", SMALL)];
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const TEST_FUNCS: &[(&str, &dyn Fn(&[Task]))] = &[
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const TEST_FUNCS: &[(&str, &dyn Fn(&[Task]))] = &[
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("single thread", &single_thread),
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("single thread", &single_thread),
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("rayon", &rayon),
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("rayon", &rayon),
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("rayon sorted", &rayon_sorted),
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("rayon sorted", &rayon_sorted),
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("rayon sorted reverse", &rayon_sorted_reverse),
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];
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];
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fn job_scheduling_benchmark(c: &mut Criterion) {
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fn job_scheduling_benchmark(c: &mut Criterion) {
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@ -7,14 +7,6 @@ pub fn rayon(data: &[Task]) {
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pub fn rayon_sorted(data: &[Task]) {
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pub fn rayon_sorted(data: &[Task]) {
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let mut data = data.to_vec();
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let mut data = data.to_vec();
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// Shortest tasks first
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data.sort();
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data.sort();
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rayon(&data);
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rayon(&data)
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}
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pub fn rayon_sorted_reverse(data: &[Task]) {
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let mut data = data.to_vec();
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// Longest tasks first
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data.sort_by(|a, b| a.cmp(b).reverse());
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rayon(&data);
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}
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}
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@ -1,5 +1,3 @@
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mod t10;
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mod small;
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mod t500;
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pub use t10::T_10;
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pub use small::SMALL;
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pub use t500::T_500;
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@ -1,6 +1,10 @@
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use crate::Task;
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use crate::Task;
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pub const T_10: &[Task] = &[
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pub const SMALL: &[Task] = &[
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Task {
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data: b"eb17a235c386039c41c65bf5",
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cost: 500,
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},
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Task {
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Task {
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data: b"df33fd171cd4d311775ebe76",
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data: b"df33fd171cd4d311775ebe76",
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cost: 100,
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cost: 100,
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2004
src/data/t500.rs
2004
src/data/t500.rs
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