speed up serde2's json serialization to 180MB/s

This commit is contained in:
Erick Tryzelaar 2014-09-06 21:11:29 -07:00
parent e2e395e8d0
commit 205f8aaa51

View File

@ -110,7 +110,7 @@ impl<W: Writer> ser::VisitorState<io::IoResult<()>> for Serializer<W> {
fn visit_seq<
V: ser::Visitor<Serializer<W>, io::IoResult<()>>
>(&mut self, mut visitor: V) -> io::IoResult<()> {
try!(write!(self.writer, "["));
try!(self.writer.write_str("["));
loop {
match visitor.visit(self) {
@ -120,7 +120,7 @@ impl<W: Writer> ser::VisitorState<io::IoResult<()>> for Serializer<W> {
}
}
write!(self.writer, "]")
self.writer.write_str("]")
}
#[inline]
@ -128,7 +128,7 @@ impl<W: Writer> ser::VisitorState<io::IoResult<()>> for Serializer<W> {
T: ser::Serialize<Serializer<W>, io::IoResult<()>>
>(&mut self, first: bool, value: T) -> io::IoResult<()> {
if !first {
try!(write!(self.writer, ","));
try!(self.writer.write_str(","));
}
value.serialize(self)
@ -138,7 +138,7 @@ impl<W: Writer> ser::VisitorState<io::IoResult<()>> for Serializer<W> {
fn visit_map<
V: ser::Visitor<Serializer<W>, io::IoResult<()>>
>(&mut self, mut visitor: V) -> io::IoResult<()> {
try!(write!(self.writer, "{{"));
try!(self.writer.write_str("{{"));
loop {
match visitor.visit(self) {
@ -147,7 +147,8 @@ impl<W: Writer> ser::VisitorState<io::IoResult<()>> for Serializer<W> {
None => { break; }
}
}
write!(self.writer, "}}")
self.writer.write_str("}}")
}
#[inline]
@ -156,11 +157,11 @@ impl<W: Writer> ser::VisitorState<io::IoResult<()>> for Serializer<W> {
V: ser::Serialize<Serializer<W>, io::IoResult<()>>
>(&mut self, first: bool, key: K, value: V) -> io::IoResult<()> {
if !first {
try!(write!(self.writer, ","));
try!(self.writer.write_str(","));
}
try!(key.serialize(self));
try!(write!(self.writer, ":"));
try!(self.writer.write_str(":"));
value.serialize(self)
}
}