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Save/restore more items in cache with incremental compilation #123221
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r? @Nadrieril rustbot has assigned @Nadrieril. Use |
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r? compiler |
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Thanks! Overall looks good. I have a couple of minor nitpicks
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The run-make test and support library changes look good to me, just left some minor nits 👍
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🎉 |
@bors try @rust-timer queue |
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Save/restore more items in cache with incremental compilation Right now they don't play very well together, consider a simple example: ``` $ export RUSTFLAGS="--emit asm" $ cargo new --lib foo Created library `foo` package $ cargo build -q $ touch src/lib.rs $ cargo build error: could not copy "/path/to/foo/target/debug/deps/foo-e307cc7fa7b6d64f.4qbzn9k8mosu50a5.rcgu.s" to "/path/to/foo/target/debug/deps/foo-e307cc7fa7b6d64f.s": No such file or directory (os error 2) ``` Touch triggers the rebuild, incremental compilation detects no changes (yay) and everything explodes while trying to copy files were they should go. This pull request fixes it by copying and restoring more files in the incremental compilation cache Fixes rust-lang#89149 Fixes rust-lang#88829 Related: https://internals.rust-lang.org/t/interaction-between-incremental-compilation-and-emit/20551
☀️ Try build successful - checks-actions |
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☀️ Try build successful - checks-actions |
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Finished benchmarking commit (a0e26ff): comparison URL. Overall result: no relevant changes - no action neededBenchmarking this pull request likely means that it is perf-sensitive, so we're automatically marking it as not fit for rolling up. While you can manually mark this PR as fit for rollup, we strongly recommend not doing so since this PR may lead to changes in compiler perf. @bors rollup=never Instruction countThis benchmark run did not return any relevant results for this metric. Max RSS (memory usage)This benchmark run did not return any relevant results for this metric. CyclesThis benchmark run did not return any relevant results for this metric. Binary sizeThis benchmark run did not return any relevant results for this metric. Bootstrap: 666.761s -> 669.173s (0.36%) |
@rustbot ready |
Thanks! @bors r=fmease,jieyouxu |
☀️ Test successful - checks-actions |
Finished benchmarking commit (fc1a4c5): comparison URL. Overall result: no relevant changes - no action needed@rustbot label: -perf-regression Instruction countThis benchmark run did not return any relevant results for this metric. Max RSS (memory usage)ResultsThis is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.
CyclesThis benchmark run did not return any relevant results for this metric. Binary sizeThis benchmark run did not return any relevant results for this metric. Bootstrap: 667.68s -> 667.899s (0.03%) |
Save/restore more items in cache with incremental compilation Right now they don't play very well together, consider a simple example: ``` $ export RUSTFLAGS="--emit asm" $ cargo new --lib foo Created library `foo` package $ cargo build -q $ touch src/lib.rs $ cargo build error: could not copy "/path/to/foo/target/debug/deps/foo-e307cc7fa7b6d64f.4qbzn9k8mosu50a5.rcgu.s" to "/path/to/foo/target/debug/deps/foo-e307cc7fa7b6d64f.s": No such file or directory (os error 2) ``` Touch triggers the rebuild, incremental compilation detects no changes (yay) and everything explodes while trying to copy files were they should go. This pull request fixes it by copying and restoring more files in the incremental compilation cache Fixes rust-lang#89149 Fixes rust-lang#88829 Related: https://internals.rust-lang.org/t/interaction-between-incremental-compilation-and-emit/20551
Right now they don't play very well together, consider a simple example:
Touch triggers the rebuild, incremental compilation detects no changes (yay) and everything explodes while trying to copy files were they should go.
This pull request fixes it by copying and restoring more files in the incremental compilation cache
Fixes #89149
Fixes #88829
Related: https://internals.rust-lang.org/t/interaction-between-incremental-compilation-and-emit/20551