diff --git a/README.md b/README.md
index 267906c..81aff86 100644
--- a/README.md
+++ b/README.md
@@ -6,8 +6,12 @@
 
 *Disclaimer*: This is not an official Google product.
 
-tarpc is an RPC framework for rust with a focus on ease of use. Defining and implementing an echo-like server can be done in just a few lines of code:
+tarpc is an RPC framework for rust with a focus on ease of use. Defining a service can be done in
+just a few lines of code, and most of the boilerplate of writing a server is taken care of for you.
 
+[Documentation](https://google.github.io/tarpc)
+
+## Example
 ```rust
 #[macro_use]
 extern crate tarpc;
diff --git a/tarpc/src/macros.rs b/tarpc/src/macros.rs
index b25c0cf..54c626a 100644
--- a/tarpc/src/macros.rs
+++ b/tarpc/src/macros.rs
@@ -144,6 +144,7 @@ macro_rules! impl_deserialize {
                         impl $crate::macros::serde::de::Visitor for __FieldVisitor {
                             type Value = __Field;
 
+                            #[inline]
                             fn visit_usize<E>(&mut self, value: usize)
                                 -> ::std::result::Result<__Field, E>
                                 where E: $crate::macros::serde::de::Error,
@@ -166,6 +167,7 @@ macro_rules! impl_deserialize {
                 impl $crate::macros::serde::de::EnumVisitor for __Visitor {
                     type Value = $impler;
 
+                    #[inline]
                     fn visit<__V>(&mut self, mut visitor: __V)
                         -> ::std::result::Result<$impler, __V::Error>
                         where __V: $crate::macros::serde::de::VariantVisitor
diff --git a/tarpc/src/protocol/packet.rs b/tarpc/src/protocol/packet.rs
index 63c351a..5a120a4 100644
--- a/tarpc/src/protocol/packet.rs
+++ b/tarpc/src/protocol/packet.rs
@@ -32,6 +32,7 @@ struct MapVisitor<'a, T: 'a> {
 }
 
 impl <'a, T: Serialize> ser::MapVisitor for MapVisitor<'a, T> {
+    #[inline]
     fn visit<S>(&mut self, serializer: &mut S) -> Result<Option<()>, S::Error>
         where S: Serializer
     {
@@ -49,9 +50,15 @@ impl <'a, T: Serialize> ser::MapVisitor for MapVisitor<'a, T> {
             }
         }
     }
+
+    #[inline]
+    fn len(&self) -> Option<usize> {
+        Some(2)
+    }
 }
 
 impl<T: Deserialize> Deserialize for Packet<T> {
+    #[inline]
     fn deserialize<D>(deserializer: &mut D) -> Result<Self, D::Error>
         where D: Deserializer
     {
@@ -65,6 +72,7 @@ struct Visitor<T>(PhantomData<T>);
 impl<T: Deserialize> de::Visitor for Visitor<T> {
     type Value = Packet<T>;
 
+    #[inline]
     fn visit_seq<V>(&mut self, mut visitor: V) -> Result<Packet<T>, V::Error>
         where V: de::SeqVisitor
     {