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| author | Keith Randall <khr@golang.org> | 2025-12-02 14:22:34 -0800 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2025-12-02 14:43:05 -0800 |
| commit | 6e4abe8cef085bf8973479a72e8aead5308cde1c (patch) | |
| tree | f8f5e3512e26385bb5ac12123d5280f9edc9d155 /doc | |
| parent | 88c24de8b53dbd68905554a2a3b72a0eeda78a16 (diff) | |
| download | go-6e4abe8cef085bf8973479a72e8aead5308cde1c.tar.xz | |
doc: mention stack allocation of slices
Very similar to last release's note.
Change-Id: Ie7afe21d98cee1c9718e53b20e8af8ee18504bb9
Reviewed-on: https://go-review.googlesource.com/c/go/+/725921
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Keith Randall <khr@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Keith Randall <khr@golang.org>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/next/5-toolchain.md | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/doc/next/5-toolchain.md b/doc/next/5-toolchain.md index b5893288e5..523e3f89fb 100644 --- a/doc/next/5-toolchain.md +++ b/doc/next/5-toolchain.md @@ -1,5 +1,14 @@ ## Compiler {#compiler} +<!-- CLs 707755, 722440 --> + +The compiler can now allocate the backing store for slices on the stack in more +situations, which improves performance. If this change is causing trouble, the +[bisect tool](https://pkg.go.dev/golang.org/x/tools/cmd/bisect) can be used to +find the allocation causing trouble using the `-compile=variablemake` flag. All +such new stack allocations can also be turned off using +`-gcflags=all=-d=variablemakehash=n`. + ## Assembler {#assembler} ## Linker {#linker} |