Yuya Nishihara 05c7da3db0 diff: reuse precomputed hash values ... This isn't always fast because it increases the chance of cache miss, but in practice, it makes "jj file annotate" faster. It's still slower than "git blame", though. Maybe we should also change the hash function. ``` group new old ----- --- --- bench_diff_git_git_read_tree_c 1.00 45.2±0.38µs 1.29 58.4±0.32µs bench_diff_lines/modified/10k 1.00 32.7±0.24ms 1.05 34.4±0.17ms bench_diff_lines/modified/1k 1.00 2.9±0.00ms 1.06 3.1±0.01ms bench_diff_lines/reversed/10k 1.00 22.7±0.18ms 1.02 23.2±0.29ms bench_diff_lines/reversed/1k 1.00 439.0±9.46µs 1.19 523.9±6.05µs bench_diff_lines/unchanged/10k 1.00 2.9±0.06ms 1.20 3.5±0.02ms bench_diff_lines/unchanged/1k 1.00 240.8±1.03µs 1.30 312.1±1.05µs ``` ``` % hyperfine --sort command --warmup 3 --runs 10 -L bin jj-0,jj-1 \ 'target/release-with-debug/{bin} --ignore-working-copy file annotate lib/src/revset.rs' Benchmark 1: target/release-with-debug/jj-0 .. Time (mean ± σ): 1.604 s ± 0.259 s [User: 1.543 s, System: 0.057 s] Range (min … max): 1.348 s … 1.917 s 10 runs Benchmark 2: target/release-with-debug/jj-1 .. Time (mean ± σ): 1.183 s ± 0.026 s [User: 1.118 s, System: 0.062 s] Range (min … max): 1.155 s … 1.237 s 10 runs ```		2024-11-20 10:36:08 +09:00
..
benches	style: add semicolon at the end of expressions used as statements	2024-10-04 22:29:13 +02:00
gen-protos
proc-macros	style: remove useless uses of .iter()	2024-10-04 22:29:13 +02:00
src	diff: reuse precomputed hash values	2024-11-20 10:36:08 +09:00
tests	revset: allow tags() to take a pattern for an argument	2024-11-20 00:47:23 +00:00
testutils	transaction: propagate errors from commit()	2024-11-13 23:05:24 -08:00
Cargo.toml	cargo: import fix_filter from gix::filter::plumbing	2024-11-14 22:38:04 +09:00
LICENSE