s a new function,
<a href="/pkg/runtime/#NumCPU"><code>runtime.NumCPU</code></a>, that returns the number of CPUs available
for parallel execution, as reported by the operating system kernel.
Its value can inform the setting of <code>GOMAXPROCS</code>.
The <code>runtime.Cgocalls</code> and <code>runtime.Goroutines</code> functions
have been renamed to <code>runtime.NumCgoCall</code> and <code>runtime.NumGoroutine</code>.
</p>

<p>
<em>Updating</em>:
Running <code>go</code> <code>fix</code> will update code 