#[macro_use]
extern crate serde_derive;
use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion};
use tera::{Context, Tera};
// Benches from https://github.com/djc/template-benchmarks-rs
pub fn bench_big_table(c: &mut Criterion) {
let mut group = c.benchmark_group("bench_big_table");
group.bench_function(BenchmarkId::new("render", "tera"), |b| {
// 100 instead of 50 in the original benchmark to make the time bigger
let size = 100;
let mut table = Vec::with_capacity(size);
for _ in 0..size {
let mut inner = Vec::with_capacity(size);
for i in 0..size {
inner.push(i);
}
table.push(inner);
}
let mut tera = Tera::default();
tera.add_raw_templates(vec![("big-table.html", BIG_TABLE_TEMPLATE_TERA)])
.unwrap();
let mut ctx = Context::new();
ctx.insert("table", &table);
b.iter(|| tera.render("big-table.html", &ctx));
});
group.bench_function(BenchmarkId::new("render", "liquid"), |b| {
// 100 instead of 50 in the original benchmark to make the time bigger
let size = 100;
let table: Vec<_> = (0..size)
.map(|_| {
let inner: Vec<_> = (0..size).collect();
inner
})
.collect();
let parser = liquid::ParserBuilder::with_stdlib().build().unwrap();
let template = parser
.parse(BIG_TABLE_TEMPLATE_LIQUID)
.expect("Benchmark template parsing failed");
let data = liquid::object!({ "table": table });
template.render(&data).unwrap();
b.iter(|| template.render(&data));
});
group.finish();
}
static BIG_TABLE_TEMPLATE_TERA: &str = "
{% for row in table %}
{% for col in row %}| {{ col }} | {% endfor %}
{% endfor %}
";
static BIG_TABLE_TEMPLATE_LIQUID: &str = "
{% for row in table %}
{% for col in row %}| {{ col }} | {% endfor %}
{% endfor %}
";
pub fn bench_teams(c: &mut Criterion) {
let mut group = c.benchmark_group("bench_teams");
group.bench_function(BenchmarkId::new("render", "tera"), |b| {
let mut tera = Tera::default();
tera.add_raw_templates(vec![("teams.html", TEAMS_TEMPLATE_TERA)])
.unwrap();
let mut ctx = Context::new();
ctx.insert("year", &2015);
ctx.insert(
"teams",
&vec![
Team {
name: "Jiangsu".into(),
score: 43,
},
Team {
name: "Beijing".into(),
score: 27,
},
Team {
name: "Guangzhou".into(),
score: 22,
},
Team {
name: "Shandong".into(),
score: 12,
},
],
);
b.iter(|| tera.render("teams.html", &ctx));
});
group.bench_function(BenchmarkId::new("render", "liquid"), |b| {
let parser = liquid::ParserBuilder::with_stdlib().build().unwrap();
let template = parser
.parse(TEAMS_TEMPLATE_LIQUID)
.expect("Benchmark template parsing failed");
let data: liquid::Object =
serde_yaml::from_str(TEAMS_DATA_LIQUID).expect("Benchmark object parsing failed");
template.render(&data).unwrap();
b.iter(|| template.render(&data));
});
group.finish();
}
#[derive(Serialize)]
struct Team {
name: String,
score: u8,
}
static TEAMS_TEMPLATE_TERA: &str = "
{{ year }}
CSL {{ year }}
{% for team in teams %}
-
{{team.name}}: {{team.score}}
{% endfor %}
";
static TEAMS_DATA_LIQUID: &str = "
year: 2015
teams:
- name: Jiangsu
score: 43
- name: Beijing
score: 27
- name: Guangzhou
score: 22
- name: Shandong
score: 12
";
static TEAMS_TEMPLATE_LIQUID: &str = "
{{ year }}
CSL {{ year }}
{% for team in teams %}
-
{{team.name}}: {{team.score}}
{% endfor %}
";
criterion_group!(benches, bench_big_table, bench_teams,);
criterion_main!(benches);