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replace criterion with iai

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Magnus Ulimoen
2021-01-25 20:51:59 +01:00
parent 5de82f393b
commit 0f261ef507
2 changed files with 67 additions and 113 deletions
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178
sbp/benches/sbpoperators.rs
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@@ -1,118 +1,72 @@
use criterion::{criterion_group, criterion_main, Criterion};
use ndarray::Array2;
use sbp::operators::{self, SbpOperator2d};
use sbp::Float;
fn performance_benchmark(c: &mut Criterion) {
let mut group = c.benchmark_group("SBPoperators");
group.sample_size(25);
const W: usize = 64;
const H: usize = 64;
let w = 64;
let h = 64;
let x = ndarray::Array2::from_shape_fn((w, h), |(j, i)| (j * h + i) as Float);
group.bench_function("upwind4 diffxi", |b| {
let mut res = x.clone();
b.iter(|| operators::Upwind4.diffxi(x.view(), res.view_mut()))
});
group.bench_function("upwind9 diffxi", |b| {
let mut res = x.clone();
b.iter(|| operators::Upwind9.diffxi(x.view(), res.view_mut()))
});
group.bench_function("trad4 diffxi", |b| {
let mut res = x.clone();
b.iter(|| operators::SBP4.diffxi(x.view(), res.view_mut()))
});
group.bench_function("trad8 diffxi", |b| {
let mut res = x.clone();
b.iter(|| operators::SBP8.diffxi(x.view(), res.view_mut()))
});
group.bench_function("upwind4 diffeta", |b| {
let mut res = x.clone();
b.iter(|| operators::Upwind4.diffeta(x.view(), res.view_mut()))
});
group.bench_function("upwind9 diffeta", |b| {
let mut res = x.clone();
b.iter(|| operators::Upwind9.diffeta(x.view(), res.view_mut()))
});
group.bench_function("trad4 diffeta", |b| {
let mut res = x.clone();
b.iter(|| operators::SBP4.diffeta(x.view(), res.view_mut()))
});
group.bench_function("trad8 diffeta", |b| {
let mut res = x.clone();
b.iter(|| operators::SBP8.diffeta(x.view(), res.view_mut()))
});
#[cfg(feature = "sparse")]
{
use sbp::utils::kronecker_product;
fn make_operators(
op: impl SbpOperator2d,
nx: usize,
ny: usize,
) -> (sprs::CsMat<Float>, sprs::CsMat<Float>) {
let dx = op.op_xi().diff_matrix(nx);
let dx = kronecker_product(sprs::CsMat::eye(ny).view(), dx.view());
let dy = op.op_eta().diff_matrix(ny);
let dy = kronecker_product(dy.view(), sprs::CsMat::eye(nx).view());
(dy, dx)
}
{
let (dy, dx) = make_operators(operators::Upwind4, w, h);
group.bench_function("upwind4 diffxi matrix", |b| {
let mut res = ndarray::Array2::zeros(x.raw_dim());
b.iter(|| {
sprs::prod::mul_acc_mat_vec_csr(
dx.view(),
x.as_slice().unwrap(),
res.as_slice_mut().unwrap(),
)
})
});
group.bench_function("upwind4 diffeta matrix", |b| {
let mut res = ndarray::Array2::zeros(x.raw_dim());
b.iter(|| {
sprs::prod::mul_acc_mat_vec_csr(
dy.view(),
x.as_slice().unwrap(),
res.as_slice_mut().unwrap(),
)
})
});
}
{
let (dy, dx) = make_operators(operators::Upwind9, w, h);
group.bench_function("upwind9 diffxi matrix", |b| {
let mut res = ndarray::Array2::zeros(x.raw_dim());
b.iter(|| {
sprs::prod::mul_acc_mat_vec_csr(
dx.view(),
x.as_slice().unwrap(),
res.as_slice_mut().unwrap(),
)
})
});
group.bench_function("upwind9 diffeta matrix", |b| {
let mut res = ndarray::Array2::zeros(x.raw_dim());
b.iter(|| {
sprs::prod::mul_acc_mat_vec_csr(
dy.view(),
x.as_slice().unwrap(),
res.as_slice_mut().unwrap(),
)
})
});
}
}
group.finish();
fn baseline() {
let _x = Array2::<Float>::from_shape_fn((W, H), |(j, i)| (j * W + i) as Float);
let _res = Array2::<Float>::zeros((W, H));
}
criterion_group!(benches, performance_benchmark);
criterion_main!(benches);
fn upwind4_diffxi() {
let x = Array2::from_shape_fn((W, H), |(j, i)| (j * W + i) as Float);
let mut res = Array2::zeros((W, H));
operators::Upwind4.diffxi(x.view(), res.view_mut());
}
fn upwind9_diffxi() {
let x = Array2::from_shape_fn((W, H), |(j, i)| (j * W + i) as Float);
let mut res = Array2::zeros((W, H));
operators::Upwind9.diffxi(x.view(), res.view_mut());
}
fn trad4_diffxi() {
let x = Array2::from_shape_fn((W, H), |(j, i)| (j * W + i) as Float);
let mut res = Array2::zeros((W, H));
operators::SBP4.diffxi(x.view(), res.view_mut());
}
fn trad8_diffxi() {
let x = Array2::from_shape_fn((W, H), |(j, i)| (j * W + i) as Float);
let mut res = Array2::zeros((W, H));
operators::SBP8.diffxi(x.view(), res.view_mut());
}
fn upwind4_diffeta() {
let x = Array2::from_shape_fn((W, H), |(j, i)| (j * W + i) as Float);
let mut res = Array2::zeros((W, H));
operators::Upwind4.diffeta(x.view(), res.view_mut());
}
fn upwind9_diffeta() {
let x = Array2::from_shape_fn((W, H), |(j, i)| (j * W + i) as Float);
let mut res = Array2::zeros((W, H));
operators::Upwind9.diffeta(x.view(), res.view_mut());
}
fn trad4_diffeta() {
let x = Array2::from_shape_fn((W, H), |(j, i)| (j * W + i) as Float);
let mut res = Array2::zeros((W, H));
operators::SBP4.diffeta(x.view(), res.view_mut());
}
fn trad8_diffeta() {
let x = Array2::from_shape_fn((W, H), |(j, i)| (j * W + i) as Float);
let mut res = Array2::zeros((W, H));
operators::SBP8.diffeta(x.view(), res.view_mut());
}
iai::main!(
baseline,
upwind4_diffxi,
upwind9_diffxi,
trad4_diffxi,
trad8_diffxi,
upwind4_diffeta,
upwind9_diffeta,
trad4_diffeta,
trad8_diffeta
);