From 4a1b021635a5a154fad2bb8a6b553d6116b57e1b Mon Sep 17 00:00:00 2001
From: Tony Garnock-Jones <tonyg@leastfixedpoint.com>
Date: Thu, 10 Nov 2022 16:50:16 +0100
Subject: [PATCH] Measure View on smaller examples

---
 implementations/rust/oo/benches/codec.rs | 32 ++++++++++++++++++++++--
 1 file changed, 30 insertions(+), 2 deletions(-)

diff --git a/implementations/rust/oo/benches/codec.rs b/implementations/rust/oo/benches/codec.rs
index e09c5b5..8129809 100644
--- a/implementations/rust/oo/benches/codec.rs
+++ b/implementations/rust/oo/benches/codec.rs
@@ -10,6 +10,7 @@ use oo::PlainValue;
 use oo::Reader;
 use oo::ValueImpl;
 use oo::packed::annotated_iovalue_from_bytes;
+use oo::packed::view::View;
 use oo::packed::view::ViewIterator;
 use std::fs::File;
 use std::io::Read;
@@ -28,6 +29,22 @@ pub fn bench_decoder_bytes(c: &mut Criterion) {
         || annotated_iovalue_from_bytes(&bs[..]).unwrap()));
 }
 
+pub fn bench_decoder_bytes_view(c: &mut Criterion) {
+    let mut fh = File::open("../../../tests/samples.bin").unwrap();
+    let mut bs = vec![];
+    fh.read_to_end(&mut bs).ok();
+    c.bench_function("(oo) view-decode samples.bin via bytes", |b| b.iter_with_large_drop(
+        || View::new(&bs).unwrap()));
+}
+
+pub fn bench_decoder_bytes_view_iovalue(c: &mut Criterion) {
+    let mut fh = File::open("../../../tests/samples.bin").unwrap();
+    let mut bs = vec![];
+    fh.read_to_end(&mut bs).ok();
+    c.bench_function("(oo) iovalue-view-decode samples.bin via bytes", |b| b.iter_with_large_drop(
+        || oo::iovalue(View::new(&bs).unwrap().value_clone())));
+}
+
 pub fn bench_decoder_file(c: &mut Criterion) {
     let mut fh = File::open("../../../tests/samples.bin").unwrap();
     c.bench_function("(oo) decode samples.bin via file", |b| b.iter_with_large_drop(|| {
@@ -51,6 +68,15 @@ pub fn bench_encoder(c: &mut Criterion) {
         || PackedWriter::encode_iovalue(&v).unwrap()));
 }
 
+pub fn bench_encoder_view(c: &mut Criterion) {
+    let mut fh = File::open("../../../tests/samples.bin").unwrap();
+    let mut bs = vec![];
+    fh.read_to_end(&mut bs).ok();
+    let v = oo::iovalue(View::new(&bs).unwrap().value_clone());
+    c.bench_function("(oo) view-encode samples.bin", |b| b.iter_with_large_drop(
+        || PackedWriter::encode_iovalue(&v).unwrap()));
+}
+
 pub fn large_testdata_decoder_with_ann(c: &mut Criterion) {
     c.bench_function("(oo) decode testdata.bin with annotations", |b| {
         let mut fh = File::open("benches/testdata.bin").unwrap();
@@ -189,8 +215,10 @@ pub fn large_testdata_encoder_view_deepcopy(c: &mut Criterion) {
 }
 
 criterion_group!(codec,
-                 bench_decoder_bytes, bench_decoder_file, bench_decoder_buffered_file,
-                 bench_encoder);
+                 bench_decoder_bytes, bench_decoder_bytes_view, bench_decoder_bytes_view_iovalue,
+                 bench_decoder_file,
+                 bench_decoder_buffered_file,
+                 bench_encoder, bench_encoder_view);
 criterion_group!{
     name = large_testdata;
     config = Criterion::default().sample_size(10);