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| author | Rhys Hiltner <rhys.hiltner@gmail.com> | 2024-05-29 16:41:10 +0000 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2024-05-30 17:52:17 +0000 |
| commit | ca7d300509626e2071f3f5babc2e9c121d806fec (patch) | |
| tree | 97fb321d32c640f525ea4713bc04be9a676bf6c1 /doc/godebug.md | |
| parent | e6b8b2f3e236e8646962c68e172c304e11e9a8f0 (diff) | |
| download | go-ca7d300509626e2071f3f5babc2e9c121d806fec.tar.xz | |
Revert "runtime: remove GODEBUG=runtimecontentionstacks"
This reverts commit 87e930f7289136fad1310d4b63dd4127e409bac5 (CL 585639)
Reason for revert: This is part of a patch series that changed the
handling of contended lock2/unlock2 calls, reducing the maximum
throughput of contended runtime.mutex values, and causing a performance
regression on applications where that is (or became) the bottleneck.
Updates #66999
Updates #67585
Change-Id: I1e286d2a16d16e4af202cd5dc04b2d9c4ee71b32
Reviewed-on: https://go-review.googlesource.com/c/go/+/589097
Reviewed-by: Than McIntosh <thanm@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Auto-Submit: Rhys Hiltner <rhys.hiltner@gmail.com>
Diffstat (limited to 'doc/godebug.md')
| -rw-r--r-- | doc/godebug.md | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/doc/godebug.md b/doc/godebug.md index 649bcc5982..071acf98cf 100644 --- a/doc/godebug.md +++ b/doc/godebug.md @@ -176,9 +176,6 @@ This behavior is controlled by the `winreadlinkvolume` setting. For Go 1.23, it defaults to `winreadlinkvolume=1`. Previous versions default to `winreadlinkvolume=0`. -Go 1.23 corrected the semantics of contention reports for runtime-internal locks, -and so removed the [`runtimecontentionstacks` setting](/pkg/runtime#hdr-Environment_Variable). - Go 1.23 enabled the experimental post-quantum key exchange mechanism X25519Kyber768Draft00 by default. The default can be reverted using the [`tlskyber` setting](/pkg/crypto/tls/#Config.CurvePreferences). |