🔨 Add some more benchmarks (#514)

dubzzz · Jan 9, 2023 · 520cca7 · 520cca7
1 parent c45912f
commit 520cca7
Showing 1 changed file with 47 additions and 0 deletions.
diff --git a/perf/benchmark.cjs b/perf/benchmark.cjs
@@ -20,12 +20,23 @@ console.info(`Seed     : ${SEED}\n`);
 const numInts = 100_000;
 const numIterations = 1_000;
 
+function builtInNoDistribution(from, to) {
+  const out = Math.random();
+  return from + ~~(out * (to - from + 1)); // ~~ is Math.floor
+}
+
 function noDistribution(from, to, g) {
   const out = g.unsafeNext();
   return from + (out % (to - from + 1));
 }
 
 function fillBench(bench) {
+  bench.add('built-in (no distrib)', () => {
+    const g = libReference[PROF_GEN](SEED);
+    for (let i = 0; i !== numInts; ++i) {
+      builtInNoDistribution(0, i, g);
+    }
+  });
   bench.add('reference (no distrib)', () => {
     const g = libReference[PROF_GEN](SEED);
     for (let i = 0; i !== numInts; ++i) {
@@ -44,6 +55,24 @@ function fillBench(bench) {
       libReference.unsafeUniformIntDistribution(-0x1_0000_0000, i, g);
     }
   });
+  bench.add('reference (uniform small array)', () => {
+    const g = libReference[PROF_GEN](SEED);
+    for (let i = 0; i !== numInts; ++i) {
+      libReference.unsafeUniformArrayIntDistribution({ sign: 1, data: [0] }, { sign: 1, data: [i] }, g);
+    }
+  });
+  bench.add('reference (uniform large array)', () => {
+    const g = libReference[PROF_GEN](SEED);
+    for (let i = 0; i !== numInts; ++i) {
+      libReference.unsafeUniformIntDistribution({ sign: -1, data: [1, 0] }, { sign: 1, data: [0, i] }, g);
+    }
+  });
+  bench.add('reference (jump)', () => {
+    const g = libReference[PROF_GEN](SEED);
+    for (let i = 0; i !== numInts; ++i) {
+      g.unsafeJump();
+    }
+  });
   bench.add('test (no distrib)', () => {
     const g = libTest[PROF_GEN](SEED);
     for (let i = 0; i !== numInts; ++i) {
@@ -62,6 +91,24 @@ function fillBench(bench) {
       libTest.unsafeUniformIntDistribution(-0x1_0000_0000, i, g);
     }
   });
+  bench.add('test (uniform small array)', () => {
+    const g = libTest[PROF_GEN](SEED);
+    for (let i = 0; i !== numInts; ++i) {
+      libTest.unsafeUniformArrayIntDistribution({ sign: 1, data: [0] }, { sign: 1, data: [i] }, g);
+    }
+  });
+  bench.add('test (uniform large array)', () => {
+    const g = libTest[PROF_GEN](SEED);
+    for (let i = 0; i !== numInts; ++i) {
+      libTest.unsafeUniformIntDistribution({ sign: -1, data: [1, 0] }, { sign: 1, data: [0, i] }, g);
+    }
+  });
+  bench.add('test (jump)', () => {
+    const g = libTest[PROF_GEN](SEED);
+    for (let i = 0; i !== numInts; ++i) {
+      g.unsafeJump();
+    }
+  });
 }
 
 async function runner() {