X-Git-Url: https://git.chrismorgan.info/anymap/blobdiff_plain/eae3d2231258af3b26c7e067e30452c39544b21d..b3811cf0d1bdab6154534eda1903c930885749ec:/benches/bench.rs

diff --git a/benches/bench.rs b/benches/bench.rs
new file mode 100644
index 0000000..e4c655d
--- /dev/null
+++ b/benches/bench.rs
@@ -0,0 +1,85 @@
+#![feature(test)]
+
+extern crate anymap;
+
+extern crate test;
+
+use anymap::AnyMap;
+
+use test::Bencher;
+use test::black_box;
+
+#[bench]
+fn insertion(b: &mut Bencher) {
+    b.iter(|| {
+        let mut data = AnyMap::new();
+        for _ in 0..100 {
+            let _ = data.insert(42);
+        }
+    })
+}
+
+#[bench]
+fn get_missing(b: &mut Bencher) {
+    b.iter(|| {
+        let data = AnyMap::new();
+        for _ in 0..100 {
+            assert_eq!(data.get(), None::<&i32>);
+        }
+    })
+}
+
+#[bench]
+fn get_present(b: &mut Bencher) {
+    b.iter(|| {
+        let mut data = AnyMap::new();
+        let _ = data.insert(42);
+        // These inner loops are a feeble attempt to drown the other factors.
+        for _ in 0..100 {
+            assert_eq!(data.get(), Some(&42));
+        }
+    })
+}
+
+macro_rules! big_benchmarks {
+    ($name:ident, $($T:ident)*) => (
+        #[bench]
+        fn $name(b: &mut Bencher) {
+            $(
+                struct $T(&'static str);
+            )*
+
+            b.iter(|| {
+                let mut data = AnyMap::new();
+                $(
+                    let _ = black_box(data.insert($T(stringify!($T))));
+                )*
+                $(
+                    let _ = black_box(data.get::<$T>());
+                )*
+            })
+        }
+    );
+}
+
+// Caution: if the macro does too much (e.g. assertions) this goes from being slow to being
+// *really* slow (like add a minute for each assertion on it) and memory-hungry (like, adding
+// several hundred megabytes to the peak for each assertion).
+big_benchmarks! {
+    insert_and_get_on_260_types,
+    A0 B0 C0 D0 E0 F0 G0 H0 I0 J0 K0 L0 M0 N0 O0 P0 Q0 R0 S0 T0 U0 V0 W0 X0 Y0 Z0
+    A1 B1 C1 D1 E1 F1 G1 H1 I1 J1 K1 L1 M1 N1 O1 P1 Q1 R1 S1 T1 U1 V1 W1 X1 Y1 Z1
+    A2 B2 C2 D2 E2 F2 G2 H2 I2 J2 K2 L2 M2 N2 O2 P2 Q2 R2 S2 T2 U2 V2 W2 X2 Y2 Z2
+    A3 B3 C3 D3 E3 F3 G3 H3 I3 J3 K3 L3 M3 N3 O3 P3 Q3 R3 S3 T3 U3 V3 W3 X3 Y3 Z3
+    A4 B4 C4 D4 E4 F4 G4 H4 I4 J4 K4 L4 M4 N4 O4 P4 Q4 R4 S4 T4 U4 V4 W4 X4 Y4 Z4
+    A5 B5 C5 D5 E5 F5 G5 H5 I5 J5 K5 L5 M5 N5 O5 P5 Q5 R5 S5 T5 U5 V5 W5 X5 Y5 Z5
+    A6 B6 C6 D6 E6 F6 G6 H6 I6 J6 K6 L6 M6 N6 O6 P6 Q6 R6 S6 T6 U6 V6 W6 X6 Y6 Z6
+    A7 B7 C7 D7 E7 F7 G7 H7 I7 J7 K7 L7 M7 N7 O7 P7 Q7 R7 S7 T7 U7 V7 W7 X7 Y7 Z7
+    A8 B8 C8 D8 E8 F8 G8 H8 I8 J8 K8 L8 M8 N8 O8 P8 Q8 R8 S8 T8 U8 V8 W8 X8 Y8 Z8
+    A9 B9 C9 D9 E9 F9 G9 H9 I9 J9 K9 L9 M9 N9 O9 P9 Q9 R9 S9 T9 U9 V9 W9 X9 Y9 Z9
+}
+
+big_benchmarks! {
+    insert_and_get_on_26_types,
+    A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
+}