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authorbors[bot] <26634292+bors[bot]@users.noreply.github.com>2019-08-03 21:07:07 +0100
committerbors[bot] <26634292+bors[bot]@users.noreply.github.com>2019-08-03 21:07:07 +0100
commit0e94d07b9c6f75657ab07dbf4a42a6d2c08a139a (patch)
tree4eb35b21ec2411778eb675e88c8bbd7900c65b47 /editors/code/src/test/utils/diagnotics
parentc5bdd02503b782eb8406cfdb2692ef51c05d5f48 (diff)
parentf52437371f9e82cc0ceb6c2f5e48e23d405faf5e (diff)
Merge #1638
1638: Avoid cloning a TtToken in SubtreeTokenSource::mk_token r=matklad a=lnicola According to `perf record`, this function is the hottest one while running `ra_cli analysis-stats`: Before: ``` 6.05% ra_cli ra_cli <ra_mbe::subtree_source::SubtreeTokenSource as ra_parser::TokenSource>::lookahead_nth 5.56% ra_cli ra_cli <rowan::green::GreenNode as core::hash::Hash>::hash 4.16% ra_cli libc-2.29.so _int_malloc 3.93% ra_cli ra_cli ra_mbe::subtree_source::SubtreeTokenSource::get Database loaded, 255 roots, 231.676882ms Crates in this dir: 27 Total modules found: 282 Total declarations: 9642 Total functions: 3287 Total expressions: 64616 Expressions of unknown type: 9111 (14%) Expressions of partially unknown type: 3417 (5%) Analysis: 24.012797561s, 0b allocated 0b resident target/release/ra_cli analysis-stats 24.60s user 0.56s system 100% cpu 25.125 total ``` After: ``` 5.85% ra_cli ra_cli <rowan::green::GreenNode as core::hash::Hash>::hash 4.55% ra_cli libc-2.29.so _int_malloc 4.31% ra_cli ra_cli ra_parser::parser::Parser::nth 3.61% ra_cli ra_cli <ra_syntax::parsing::text_token_source::TextTokenSource as ra_parser::TokenSource>::lookahead_nth 3.54% ra_cli ra_cli ra_syntax::syntax_node::SyntaxTreeBuilder::finish_node 3.46% ra_cli libc-2.29.so _int_free 3.12% ra_cli libc-2.29.so malloc 2.76% ra_cli ra_cli ra_parser::event::process 2.68% ra_cli ra_cli alloc::sync::Arc<T>::drop_slow 2.50% ra_cli ra_cli ra_mbe::subtree_source::SubtreeTokenSource::get 2.31% ra_cli ra_cli <smol_str::SmolStr as core::hash::Hash>::hash 2.04% ra_cli libc-2.29.so __memmove_avx_unaligned_erms 1.92% ra_cli ra_cli <ra_mbe::subtree_source::SubtreeTokenSource as ra_parser::TokenSource>::lookahead_nth Database loaded, 255 roots, 236.176803ms Crates in this dir: 27 Total modules found: 282 Total declarations: 9642 Total functions: 3287 Total expressions: 64620 Expressions of unknown type: 9107 (14%) Expressions of partially unknown type: 3425 (5%) Analysis: 22.562328486s, 0b allocated 0b resident target/release/ra_cli analysis-stats 23.12s user 0.57s system 100% cpu 23.659 total ``` r? @edwin0cheng, @matklad Co-authored-by: LaurenČ›iu Nicola <[email protected]>
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