Files
scryer-prolog/benches/setup.rs
2023-11-11 13:32:34 -06:00

117 lines
3.6 KiB
Rust

use std::{collections::BTreeMap, fs, path::Path};
use criterion::{black_box, Criterion};
use maplit::btreemap;
use scryer_prolog::machine::{
parsed_results::{QueryMatch, QueryResolution, Value},
Machine,
};
pub fn benches() -> Benches {
Benches::new(&[
(
"benches/edges.pl", // name of the prolog module file to load
&[
(
"count_edges_short", // name of the benchmark
"independent_set_count(ky, Count).", // query to benchmark in the context of the loaded module
btreemap! { "Count".to_string() => Value::try_from("2869176".to_string()).unwrap() }, // List of expected bindings
),
(
"count_edges", // multiple benchmark queries can be defined per module
"independent_set_count(aa, Count).", // consider making the query adjustable to tune the runtime
btreemap! { "Count".to_string() => Value::try_from("211954906".to_string()).unwrap(), },
),
],
),
(
"benches/numlist.pl",
&[(
"numlist_short",
"run_numlist(1000000, Head).",
btreemap! { "Head".to_string() => Value::try_from("1".to_string()).unwrap()},
)],
),
])
}
pub struct Benches {
machines: Vec<Machine>,
runs: BTreeMap<String, Run>,
}
pub struct Run {
machine_idx: usize,
name: &'static str,
query: &'static str,
bindings: BTreeMap<String, Value>,
}
// Required for using a mutex. It doesn't actually send anything across threads,
// and this is just a benchmark, so it Should Be Fine(tm). ¯\_(ツ)_/¯
unsafe impl Send for Benches {}
impl Benches {
#[allow(clippy::type_complexity)]
pub fn new(
benches: &[(
&'static str,
&[(&'static str, &'static str, BTreeMap<String, Value>)],
)],
) -> Self {
let mut machines = vec![];
let mut runs = BTreeMap::new();
for b in benches {
let content = fs::read_to_string(b.0).unwrap();
let name = Path::new(b.0).file_stem().unwrap().to_str().unwrap();
let mut machine = Machine::new_lib();
machine.load_module_string(name, content);
machines.push(machine);
let idx = machines.len() - 1;
runs.extend(b.1.iter().cloned().map(|r| {
(
r.0.to_string(),
Run {
machine_idx: idx,
name: r.0,
query: r.1,
bindings: r.2,
},
)
}));
}
Benches { machines, runs }
}
#[allow(dead_code)]
pub fn run_all_criterion(&mut self, c: &mut Criterion) {
for (_, runner) in self.runs.iter() {
let machine = &mut self.machines[runner.machine_idx];
c.bench_function(runner.name, |b| {
b.iter(|| {
Self::run(machine, runner);
})
});
}
}
#[allow(dead_code)]
pub fn run_once(&mut self, name: &str) {
let runner = &self.runs[name];
let machine = &mut self.machines[runner.machine_idx];
Self::run(machine, runner);
}
fn run(machine: &mut Machine, runner: &Run) {
assert_eq!(
black_box(machine.run_query(black_box(runner.query.to_string()))),
Ok(QueryResolution::Matches(vec![QueryMatch::from(
runner.bindings.clone()
)]))
);
}
}