doc/next: document cgo call overhead improvement

Change-Id: Ibac18513d2f76172665b4f3a4ea09b69ae0bdef3
Reviewed-on: https://go-review.googlesource.com/c/go/+/725664
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
This commit is contained in:
Michael Anthony Knyszek 2025-12-01 18:29:34 +00:00 committed by Michael Knyszek
parent 6e4abe8cef
commit 77c795011b

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@ -20,3 +20,9 @@ The new garbage collector may be disabled by setting
This opt-out setting is expected to be removed in Go 1.27.
If you disable the new garbage collector for any reason related to its
performance or behavior, please [file an issue](/issue/new).
### Faster cgo calls
<!-- CL 646198 -->
The baseline runtime overhead of cgo calls has been reduced by ~30%.