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authorbors[bot] <26634292+bors[bot]@users.noreply.github.com>2020-01-29 20:09:49 +0000
committerGitHub <[email protected]>2020-01-29 20:09:49 +0000
commit5dcd9fdf5e95573de9bc46f32b86d6fbc5e7c18d (patch)
tree0dd24c080fb5052428023373cb3109bd566f8f83 /crates/ra_mbe/src/tt_iter.rs
parentd92a15c1637860a669970142abe37d1daf5f2c73 (diff)
parent644c383f65324b5fe1ada42680923c2529accb26 (diff)
Merge #2895
2895: Rewrite ra_prof's profile printing r=michalt a=michalt This changes the way we print things to first construct a mapping from events to the children and uses that mapping to actually print things. It should not change the actual output that we produce. The new approach two benefits: * It avoids a potential quadratic behavior of the previous approach. For instance, for a vector of N elements: ``` [Message{level: (N - 1)}, ..., Message{level: 1}, Message{level: 0}] ``` we would first do a linear scan to find entry with level 0, then another scan to find one with level 1, etc. * It makes it much easier to improve the output in the future, because we now pre-compute the children for each entry and can easily take that into account when printing. Signed-off-by: Michal Terepeta <[email protected]> Co-authored-by: Michal Terepeta <[email protected]>
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