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use std::iter;
use criterion::{criterion_group, BenchmarkId, Criterion, Throughput};
fn from_elem(c: &mut Criterion) {
static KB: usize = 1024;
let mut group = c.benchmark_group("from_elem");
for size in [KB, 2 * KB, 4 * KB, 8 * KB, 16 * KB].iter() {
group.throughput(Throughput::Bytes(*size as u64));
group.bench_with_input(BenchmarkId::from_parameter(size), size, |b, &size| {
b.iter(|| iter::repeat(0u8).take(size).collect::<Vec<_>>());
});
}
group.finish();
}
criterion_group!(benches, from_elem);
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