Added benchmarks for both Trifloat and Oct32 encoding/decoding.

Cargo.lock

@@ -22,6 +22,11 @@ dependencies = [
  "safemem 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "bencher"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "bit-set"
 version = "0.5.0"
@@ -165,7 +170,9 @@ dependencies = [
 name = "oct32norm"
 version = "0.1.0"
 dependencies = [
+ "bencher 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "proptest 0.8.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -469,6 +476,10 @@ dependencies = [
 [[package]]
 name = "trifloat"
 version = "0.1.0"
+dependencies = [
+ "bencher 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
 name = "ucd-util"
@@ -516,6 +527,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum ansi_term 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6b3568b48b7cefa6b8ce125f9bb4989e52fbcc29ebea88df04cc7c5f12f70455"
 "checksum atty 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "8352656fd42c30a0c3c89d26dea01e3b77c0ab2af18230835c15e2e13cd51859"
 "checksum base64 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "229d032f1a99302697f10b27167ae6d03d49d032e6a8e2550e8d3fc13356d2b4"
+"checksum bencher 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "7dfdb4953a096c551ce9ace855a604d702e6e62d77fac690575ae347571717f5"
 "checksum bit-set 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6f1efcc46c18245a69c38fcc5cc650f16d3a59d034f3106e9ed63748f695730a"
 "checksum bit-vec 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4440d5cb623bb7390ae27fec0bb6c61111969860f8e3ae198bfa0663645e67cf"
 "checksum bitflags 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b3c30d3802dfb7281680d6285f2ccdaa8c2d8fee41f93805dba5c4cf50dc23cf"

sub_crates/oct32norm/Cargo.toml

@@ -9,4 +9,10 @@ name = "oct32norm"
 path = "src/lib.rs"
 
 [dev-dependencies]
-proptest = "0.8"
+proptest = "0.8"
+bencher = "0.1.5"
+rand = "0.6"
+
+[[bench]]
+name = "bench"
+harness = false

sub_crates/oct32norm/benches/bench.rs

@@ -0,0 +1,37 @@
+#[macro_use]
+extern crate bencher;
+extern crate oct32norm;
+extern crate rand;
+
+use bencher::{black_box, Bencher};
+use oct32norm::{decode, encode};
+use rand::{rngs::SmallRng, FromEntropy, Rng};
+
+//----
+
+fn encode_100_values(bench: &mut Bencher) {
+    let mut rng = SmallRng::from_entropy();
+    bench.iter(|| {
+        let x = rng.gen::<f32>() - 0.5;
+        let y = rng.gen::<f32>() - 0.5;
+        let z = rng.gen::<f32>() - 0.5;
+        for _ in 0..100 {
+            black_box(encode(black_box((x, y, z))));
+        }
+    });
+}
+
+fn decode_100_values(bench: &mut Bencher) {
+    let mut rng = SmallRng::from_entropy();
+    bench.iter(|| {
+        let v = rng.gen::<u32>();
+        for _ in 0..100 {
+            black_box(decode(black_box(v)));
+        }
+    });
+}
+
+//----
+
+benchmark_group!(benches, encode_100_values, decode_100_values,);
+benchmark_main!(benches);

sub_crates/oct32norm/tests/proptest_tests.proptest-regressions

@@ -1,9 +0,0 @@
-# Seeds for failure cases proptest has generated in the past. It is
-# automatically read and these particular cases re-run before any
-# novel cases are generated.
-#
-# It is recommended to check this file in to source control so that
-# everyone who runs the test benefits from these saved cases.
-xs 2999539226 326675911 3987401019 2999607733 # shrinks to v = (-0.41956997, 0.0, 0.0)
-xs 3917888384 62374025 2334923077 3025250995 # shrinks to v = (-0.14978456, 0.6395848, -0.5405228)
-xs 577284199 2546407762 2751612650 3421307724 # shrinks to v = (0.3486824, -0.9764652, 0.4179709)

sub_crates/trifloat/Cargo.toml

@@ -7,3 +7,11 @@ license = "MIT"
 [lib]
 name = "trifloat"
 path = "src/lib.rs"
+
+[dev-dependencies]
+bencher = "0.1.5"
+rand = "0.6"
+
+[[bench]]
+name = "bench"
+harness = false

sub_crates/trifloat/benches/bench.rs

@@ -0,0 +1,37 @@
+#[macro_use]
+extern crate bencher;
+extern crate rand;
+extern crate trifloat;
+
+use bencher::{black_box, Bencher};
+use rand::{rngs::SmallRng, FromEntropy, Rng};
+use trifloat::{decode, encode};
+
+//----
+
+fn encode_100_values(bench: &mut Bencher) {
+    let mut rng = SmallRng::from_entropy();
+    bench.iter(|| {
+        let x = rng.gen::<f32>() - 0.5;
+        let y = rng.gen::<f32>() - 0.5;
+        let z = rng.gen::<f32>() - 0.5;
+        for _ in 0..100 {
+            black_box(encode(black_box((x, y, z))));
+        }
+    });
+}
+
+fn decode_100_values(bench: &mut Bencher) {
+    let mut rng = SmallRng::from_entropy();
+    bench.iter(|| {
+        let v = rng.gen::<u32>();
+        for _ in 0..100 {
+            black_box(decode(black_box(v)));
+        }
+    });
+}
+
+//----
+
+benchmark_group!(benches, encode_100_values, decode_100_values,);
+benchmark_main!(benches);