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Michael Pratt 63ba2b9d84 cmd/compile,internal/runtime/maps: stack allocated maps and small alloc
The compiler will stack allocate the Map struct and initial group if
possible.

Stack maps are initialized inline without calling into the runtime.
Small heap allocated maps use makemap_small.

These are the same heuristics as existing maps.

For #54766.

Cq-Include-Trybots: luci.golang.try:gotip-linux-amd64-longtest-swissmap
Change-Id: I6c371d1309716fd1c38a3212d417b3c76db5c9b9
Reviewed-on: https://go-review.googlesource.com/c/go/+/622042
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Michael Pratt <mpratt@google.com>
2024-10-30 15:43:54 +00:00
.github .github: update language change proposal template 2024-08-08 19:02:29 +00:00
api hash/maphash: add WriteComparable and Comparable 2024-10-02 15:54:11 +00:00
doc Revert "crypto/rand: add randcrash=0 GODEBUG" 2024-10-28 14:46:33 +00:00
lib lib/time: update to 2024b/2024b 2024-09-23 14:25:08 +00:00
misc misc/wasm: move wasm runtime files to lib/wasm 2024-08-30 19:15:21 +00:00
src cmd/compile,internal/runtime/maps: stack allocated maps and small alloc 2024-10-30 15:43:54 +00:00
test cmd/compile,internal/runtime/maps: stack allocated maps and small alloc 2024-10-30 15:43:54 +00:00
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README.md

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

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Our canonical Git repository is located at https://go.googlesource.com/go. There is a mirror of the repository at https://github.com/golang/go.

Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.

Download and Install

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After downloading a binary release, visit https://go.dev/doc/install for installation instructions.

Install From Source

If a binary distribution is not available for your combination of operating system and architecture, visit https://go.dev/doc/install/source for source installation instructions.

Contributing

Go is the work of thousands of contributors. We appreciate your help!

To contribute, please read the contribution guidelines at https://go.dev/doc/contribute.

Note that the Go project uses the issue tracker for bug reports and proposals only. See https://go.dev/wiki/Questions for a list of places to ask questions about the Go language.