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Tokio v1.24.0

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@carllerche carllerche released this 05 Jan 19:25
· 753 commits to master since this release
dfe252d

The highlight of this release is the reduction of lock contention for all I/O operations (#5300). We have received reports of up to a 20% improvement in CPU utilization and increased throughput for real-world I/O heavy applications.

Fixed

  • rt: improve native AtomicU64 support detection (#5284)

Added

  • rt: add configuration option for max number of I/O events polled from the OS
    per tick (#5186)
  • rt: add an environment variable for configuring the default number of worker
    threads per runtime instance (#4250)

Changed

  • sync: reduce MPSC channel stack usage (#5294)
  • io: reduce lock contention in I/O operations (#5300)
  • fs: speed up read_dir() by chunking operations (#5309)
  • rt: use internal ThreadId implementation (#5329)
  • test: don't auto-advance time when a spawn_blocking task is running (#5115)