From 69f70cfe72b050f989cc2479ec4805712962955f Mon Sep 17 00:00:00 2001
From: Greg Fitzgerald <garious@gmail.com>
Date: Fri, 16 Feb 2018 09:38:12 -0800
Subject: [PATCH] Add separate benchmarks for seq and par versions of
 verify_slice

---
 README.md    | 25 ++++++++++++++++++++++++-
 src/event.rs |  9 +++++++++
 2 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 23b5ec7c3e..1646cad8e2 100644
--- a/README.md
+++ b/README.md
@@ -8,10 +8,15 @@ An implementation of Loom's Proof-of-History.
 
 # Developing
 
-Install Rust and Cargo:
+Building
+---
+
+Install rustc, cargo and rustfmt:
 
 ```bash
 $ curl https://sh.rustup.rs -sSf | sh
+$ source $HOME/.cargo/env
+$ rustup component add rustfmt-preview
 ```
 
 Download the source code:
@@ -21,8 +26,26 @@ $ git clone https://github.com/garious/phist.git
 $ cd phist
 ```
 
+Testing
+---
+
 Run the test suite:
 
 ```bash
 cargo test
 ```
+
+Benchmarking
+---
+
+First install the nightly build of rustc. `cargo bench` requires unstable features:
+
+```bash
+$ rustup install nightly
+```
+
+Run the benchmarks:
+
+```bash
+$ cargo +nightly bench --features="unstable"
+```
diff --git a/src/event.rs b/src/event.rs
index d46f65bf93..c1e08d483f 100644
--- a/src/event.rs
+++ b/src/event.rs
@@ -133,6 +133,15 @@ mod bench {
 
     #[bench]
     fn event_bench(bencher: &mut Bencher) {
+        let start_hash = 0;
+        let events = event::create_ticks(start_hash, 100_000, 8);
+        bencher.iter(|| {
+            assert!(event::verify_slice(&events, start_hash));
+        });
+    }
+
+    #[bench]
+    fn event_bench_seq(bencher: &mut Bencher) {
         let start_hash = 0;
         let events = event::create_ticks(start_hash, 100_000, 8);
         bencher.iter(|| {