</p>
<p>
-<!-- git log --grep '-[0-9][0-9]\.[0-9][0-9]%' go1.6.. -->
+<!-- git log -''-grep '-[0-9][0-9]\.[0-9][0-9]%' go1.6.. -->
There have been significant optimizations bringing more than 10% improvements
to implementations in the
<a href="/pkg/crypto/sha1/"><code>crypto/sha1</code></a>,
<dd>
<p>
-As noted above,
-there are significant performance optimizations throughout the package.
+There are many performance optimizations throughout the package.
Decompression speed is improved by about 10%,
-while compression speed for <code>DefaultCompression</code> is roughly doubled.
+while compression for <code>DefaultCompression</code> is twice as fast.
</p>
<p>