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Parallelised check_crate() in rvalue_promotion.rs. - #58494
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TheDarkula wants to merge 1 commit into
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Zoxc
commented
Feb 21, 2019
Contributor
You should benchmark before and after the changes, both with a parallel compiler build, doing multiple runs and look at the timing for the parallel section you are modifying, aka: It's a good idea to use less threads for benchmarking than cores you have, just to leave some for background processes. |
Centril
commented
Feb 23, 2019
Contributor
Ping from triage, @TheDarkula, it seems like we're awaiting more profiling info? |
TheDarkula
commented
Feb 23, 2019
Author
@Centril I'll recompile and get back soon |
TheDarkula
commented
Mar 3, 2019
Author
Closing in favour of the upcoming #58679 |
Centril added a commit
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Mar 9, 2019
…ister Refactor passes and pass execution to be more parallel For `syntex_syntax` (with 16 threads and 8 cores): - Cuts `misc checking 1` from `0.096s` to `0.08325s`. - Cuts `misc checking 2` from `0.3575s` to `0.2545s`. - Cuts `misc checking 3` from `0.34625s` to `0.21375s`. - Cuts `wf checking` from `0.3085s` to `0.05025s`. Reduces overall execution time for `syntex_syntax` (with 8 threads and cores) from `4.92s` to `4.34s`. Subsumes rust-lang#58494 Blocked on rust-lang#58250 r? @michaelwoerister
Centril added a commit
to Centril/rust
that referenced
this pull request
Mar 9, 2019
…ister Refactor passes and pass execution to be more parallel For `syntex_syntax` (with 16 threads and 8 cores): - Cuts `misc checking 1` from `0.096s` to `0.08325s`. - Cuts `misc checking 2` from `0.3575s` to `0.2545s`. - Cuts `misc checking 3` from `0.34625s` to `0.21375s`. - Cuts `wf checking` from `0.3085s` to `0.05025s`. Reduces overall execution time for `syntex_syntax` (with 8 threads and cores) from `4.92s` to `4.34s`. Subsumes rust-lang#58494 Blocked on rust-lang#58250 r? @michaelwoerister
Centril added a commit
to Centril/rust
that referenced
this pull request
Mar 9, 2019
…ister Refactor passes and pass execution to be more parallel For `syntex_syntax` (with 16 threads and 8 cores): - Cuts `misc checking 1` from `0.096s` to `0.08325s`. - Cuts `misc checking 2` from `0.3575s` to `0.2545s`. - Cuts `misc checking 3` from `0.34625s` to `0.21375s`. - Cuts `wf checking` from `0.3085s` to `0.05025s`. Reduces overall execution time for `syntex_syntax` (with 8 threads and cores) from `4.92s` to `4.34s`. Subsumes rust-lang#58494 Blocked on rust-lang#58250 r? @michaelwoerister
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r? @Zoxc
Built the regex crate, commit 60d087a23025e045ae754a345b04003c31d83d93.
Serial:
Parallel: