47 lines
1.3 KiB
Rust
47 lines
1.3 KiB
Rust
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use aether_atom::*;
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use aether_atom::fingerprint;
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use std::time::Instant;
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fn main() {
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let dir = tempfile::tempdir().unwrap();
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let mut lat = Lattice::open(dir.path()).unwrap();
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let body: Vec<u8> = vec![0xAB; 1024];
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let body_str = BodyAsStr(&body);
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remember(&mut lat, "global", &body_str, body.clone(), Some(true));
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let _ = ask(&mut lat, "global", &body_str, |_| body.clone());
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let n = 10_000;
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// 1) cached ask() ops — these include a per-call disk write
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let t = Instant::now();
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for _ in 0..n {
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let _ = ask(&mut lat, "global", &body_str, |_| Vec::new());
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}
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let cached = t.elapsed();
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println!(
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"{n} cached ask() ops (incl. disk write): {cached:?} ({:.2} µs/op)",
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cached.as_micros() as f64 / n as f64
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);
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let n_lookups = 100_000;
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let sig = fingerprint(&body);
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// 2) raw lookup() — also writes per call
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let t = Instant::now();
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for _ in 0..n_lookups {
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let _ = lat.lookup(&sig, "global");
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}
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println!(
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"{n_lookups} raw lookup() ops: {:?} ({:.2} µs/op)",
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t.elapsed(),
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t.elapsed().as_micros() as f64 / n_lookups as f64
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);
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}
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struct BodyAsStr<'a>(&'a [u8]);
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impl Canonicalize for BodyAsStr<'_> {
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fn canonical(&self) -> Vec<u8> {
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self.0.to_vec()
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}
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}
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