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std::io: Use sendfile for UnixStream #79600

Merged
merged 2 commits into from
Dec 2, 2020
Merged

std::io: Use sendfile for UnixStream #79600

merged 2 commits into from
Dec 2, 2020

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nicokoch
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@nicokoch nicokoch commented Dec 1, 2020

UnixStream was forgotten in #75272 .

Benchmark yields the following results.
Before:
running 1 test test sys::unix::kernel_copy::tests::bench_file_to_uds_copy ... bench: 54,399 ns/iter (+/- 6,817) = 2409 MB/s

After:
running 1 test test sys::unix::kernel_copy::tests::bench_file_to_uds_copy ... bench: 18,627 ns/iter (+/- 6,007) = 7036 MB/s

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r? @m-ou-se

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@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Dec 1, 2020
@m-ou-se m-ou-se added A-io Area: `std::io`, `std::fs`, `std::net` and `std::path` T-libs Relevant to the library team, which will review and decide on the PR/issue. O-linux Operating system: Linux labels Dec 1, 2020
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m-ou-se commented Dec 1, 2020

Thanks!

@bors r+

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bors commented Dec 1, 2020

📌 Commit 5987451 has been approved by m-ou-se

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Dec 1, 2020
@GuillaumeGomez GuillaumeGomez mentioned this pull request Dec 1, 2020
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bors added a commit to rust-lang-ci/rust that referenced this pull request Dec 1, 2020
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Auto merge of rust-lang#79614 - GuillaumeGomez:rollup-15usd7e, r=Guil…
18aa5ee 
…laumeGomez

Rollup of 3 pull requests

Successful merges:

 - rust-lang#79508 (Warn if `dsymutil` returns an error code)
 - rust-lang#79509 (Improve attribute message error spans)
 - rust-lang#79600 (std::io: Use sendfile for UnixStream)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit 9e26fc6 into rust-lang:master Dec 2, 2020
@rustbot rustbot added this to the 1.50.0 milestone Dec 2, 2020
@nicokoch nicokoch deleted the kernel_copy_unixstream branch December 2, 2020 22:19
@the8472 the8472 mentioned this pull request Dec 2, 2020
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nicokoch commented Dec 4, 2020

@the8472 I also noticed CopyRead and CopyWrite are not implemented for Box<T> where T: Copy{Read|Write}. Is this deliberate or an oversight?

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the8472 commented Dec 4, 2020

I assumed that is handled by auto-deref. If it isn't then it should be added.

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nicokoch commented Dec 4, 2020

I'm not entirely sure, will have to test

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A-io Area: `std::io`, `std::fs`, `std::net` and `std::path` O-linux Operating system: Linux S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. T-libs Relevant to the library team, which will review and decide on the PR/issue.
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