6d8a147bef
The type information in reflect.Type and the GC programs is now 1 bit per word, down from 2 bits. The in-memory unrolled type bitmap representation are now 1 bit per word, down from 4 bits. The conversion from the unrolled (now 1-bit) bitmap to the heap bitmap (still 4-bit) is not optimized. A followup CL will work on that, after the heap bitmap has been converted to 2-bit. The typeDead optimization, in which a special value denotes that there are no more pointers anywhere in the object, is lost in this CL. A followup CL will bring it back in the final form of heapBitsSetType. Change-Id: If61e67950c16a293b0b516a6fd9a1c755b6d5549 Reviewed-on: https://go-review.googlesource.com/9702 Reviewed-by: Austin Clements <austin@google.com> |
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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.
For documentation about how to install and use Go, visit https://golang.org/ or load doc/install-source.html in your web browser.
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.
Please report issues here: https://golang.org/issue/new
Go is the work of hundreds of contributors. We appreciate your help!
To contribute, please read the contribution guidelines: https://golang.org/doc/contribute.html
Please note that we do not use pull requests.
Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.
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Binary Distribution Notes
If you have just untarred a binary Go distribution, you need to set the environment variable $GOROOT to the full path of the go directory (the one containing this file). You can omit the variable if you unpack it into /usr/local/go, or if you rebuild from sources by running all.bash (see doc/install-source.html). You should also add the Go binary directory $GOROOT/bin to your shell's path.
For example, if you extracted the tar file into $HOME/go, you might put the following in your .profile:
export GOROOT=$HOME/go
export PATH=$PATH:$GOROOT/bin
See https://golang.org/doc/install or doc/install.html for more details.