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tcp-stress-test: Pull out thread count as a constant #35140

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merged 2 commits into from
Aug 1, 2016

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the-kenny
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This PR factors out the number of concurrent threads used in tcp-stress-test.rs to a constant at the top of the file.

We at @NixOS had to lower our thread count as the chrooted-builds don't allow that many threads.

This change will make it easier to lower/increase the count in the future (I actually forgot to change the second 1000 when I was working on this). Another benefit is the removal of magic numbers in the test suite.

This is related to #35107

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Thanks for the pull request, and welcome! The Rust team is excited to review your changes, and you should hear from @aturon (or someone else) soon.

If any changes to this PR are deemed necessary, please add them as extra commits. This ensures that the reviewer can see what has changed since they last reviewed the code. Due to the way GitHub handles out-of-date commits, this should also make it reasonably obvious what issues have or haven't been addressed. Large or tricky changes may require several passes of review and changes.

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@the-kenny the-kenny changed the title tcp-stress-test: Run a smaller number of threads. tcp-stress-test: Pull out thread count as a constant Jul 31, 2016
@the-kenny
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Sorry, got slightly confused with the commit message. Will force-push a fixed one.

@the-kenny the-kenny force-pushed the tcp-stress-test-const-thread-count branch from d9af199 to aaf8a6e Compare July 31, 2016 18:28
@alexcrichton
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Do we perhaps want to go ahead and just reduce the number of threads so nixos doesn't need to have a patch?

@sfackler
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Can we just drop this test entirely? Now that the big runtime's gone, this seems like a test of the OS, not Rust.

@alexcrichton
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I don't personally see much reason to actively drop this, it's a test that we're exercising and it's good to at least keep it running in some capacity.

I know in Windows it least it may stress some initialization logic or something like that.

@the-kenny
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If we want to lower the count, what would a sensible number? 256 fixed our build, but might still be too much for other systems.

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Yeah something on the order of 200 seems fine to me

@eddyb
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eddyb commented Aug 1, 2016

@bors r=alexcrichton rollup

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bors commented Aug 1, 2016

📌 Commit 3ea293d has been approved by alexcrichton

sanxiyn added a commit to sanxiyn/rust that referenced this pull request Aug 1, 2016
…ead-count, r=alexcrichton

tcp-stress-test: Pull out thread count as a constant

This PR factors out the number of concurrent threads used in `tcp-stress-test.rs` to a constant at the top of the file.

We at @NixOS had to lower our thread count as the chrooted-builds don't allow that many threads.

This change will make it easier to lower/increase the count in the future (I actually forgot to change the second `1000` when I was working on this). Another benefit is the removal of magic numbers in the test suite.

This is related to rust-lang#35107
bors added a commit that referenced this pull request Aug 1, 2016
Rollup of 8 pull requests

- Successful merges: #34802, #35033, #35085, #35114, #35134, #35140, #35141, #35157
- Failed merges:
@bors bors merged commit 3ea293d into rust-lang:master Aug 1, 2016
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7 participants