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doc/go1.3.html: linker, go command, miscellany

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https://golang.org/cl/85660043
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Rob Pike 2014-04-09 08:19:35 +10:00
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doc/go1.3.html
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@ -9,11 +9,13 @@
<p>
The latest Go release, version 1.3, arrives six months after 1.2,
and contains no language changes.
It does have some important developments, though,
including a refinement to the memory model regarding synchronization,
It focuses primarily on implementation work, providing
precise garbage collection,
a major refactoring of the compiler tool chain that results in
faster builds, especially for large projects,
significant performance improvements across the board,
and support for Google's Native Client architecture (NaCl).
and support for Solaris and Google's Native Client architecture (NaCl).
It also has an important refinement to the memory model regarding synchronization.
As always, Go 1.3 keeps the <a href="/doc/go1compat.html">promise
of compatibility</a>,
and almost everything
@ -34,7 +36,7 @@ TODO
</p>
<h3 id="windows2000">Removal of support for Windows 2000</h3>
<h3 id="win2000">Removal of support for Windows 2000</h3>
<p>
Microsoft stopped supporting Windows 2000 in 2010.
@ -77,10 +79,6 @@ Go 1.2 increased the minimum stack size to 8 kilobytes; with the new stack model
put back to 4 kilobytes.
</p>
<p>
<em>Updating</em>: TODO
</p>
<h3 id="garbage_collector">Changes to the garbage collector</h3>
<p>
@ -91,13 +89,18 @@ liveness (TODO what to say)
<h3 id="liblink">The linker</h3>
<p>
TODO compiler/linker boundary moved
TODO: liblink: pull linker i/o into separate liblink C library (CL 35790044)
As part of the general <a href="http://golang.org/s/go13linker">overhaul</a> to
the Go linker, the compilers and linkers have been refactored.
The linker is still a C program, but now the instruction selection phase that
was part of the linker has been moved to the compiler through the creation of a new
library called <code>liblink</code>.
By doing instruction selection only once, when the package is first compiled,
this can speed up compilation of large projects significantly.
</p>
<p>
<em>Updating</em>: TODO
<em>Updating</em>: Although this is a major internal change, it should have no
effect on programs.
</p>
<h3 id="gccgo">Status of gccgo</h3>
@ -117,9 +120,16 @@ cmd/go: cover -atomic for -race (CL 76370043)
<h3 id="misc">Miscellany</h3>
<p>
The program <code>misc/benchcmp</code> that compares
performance across benchmarking runs has been rewritten.
Once a shell and awk script in the main repository, it is now a Go program in the <code>go.tools</code> repo.
Documentation is <a href="http://godoc.org/code.google.com/p/go.tools/cmd/benchcmp">here</a>.
</p>
<ul>
<li> TODO: misc/benchcmp: removed and replaced by go.tools/cmd/benchcmp (CL 47980043)</li>
<li> TODO: misc/dist: renamed misc/makerelease (CL 39920043)</li>
For the few of us that build Go distributions, the tool <code>misc/dist</code> has been
moved and renamed; it now lives in <code>misc/makerelease</code>, still in the main repository.
</ul>
@ -256,7 +266,7 @@ non-printing.
<li>
The <a href="/pkg/testing/"><code>testing</code></a> package now
diagnoses tests that call <code>panic(nil)</code>, which is almost always erroneous.
diagnoses tests that call <code>panic(nil)</code>, which are almost always erroneous.
</li>
<li>