Lift nested functions to top level in parse-matches.ts and use context object to pass state between for better JIT compilation. About a 10% improvement in unit test time

Author: gregjacobs

benchmarks/benchmarks.ts

@@ -7,9 +7,9 @@ import { run as runAutolinker4_1_1 } from './autolinker-4.1.0/index';
 // import { run as runAutolinker4_0_2 } from './autolinker-4.0.2/index';
 // import { run as runAutolinker4_0_1 } from './autolinker-4.0.1/index';
 // import { run as runAutolinker4_0_0 } from './autolinker-4.0.0/index';
-import { run as runAutolinker3_16_2 } from './autolinker-3.16.2/index';
-import { run as runAutolinker2_2_2 } from './autolinker-2.2.2/index';
-import { run as runAutolinker1_8_3 } from './autolinker-1.8.3/index';
+// import { run as runAutolinker3_16_2 } from './autolinker-3.16.2/index';
+// import { run as runAutolinker2_2_2 } from './autolinker-2.2.2/index';
+// import { run as runAutolinker1_8_3 } from './autolinker-1.8.3/index';
 import { run as runLinkifyIt5_0_0 } from './linkify-it-5.0.0/index';
 import { run as runLinkifyHtml4_2_0 } from './linkify-html-4.2.0/index';
 import { run as runLinkifyString4_2_0 } from './linkify-string-4.2.0/index';
@@ -24,9 +24,9 @@ suite
     // .add('[email protected]', runAutolinker4_0_2)
     // .add('[email protected]', runAutolinker4_0_1)
     // .add('[email protected]', runAutolinker4_0_0)
-    .add('[email protected]', runAutolinker3_16_2)
-    .add('[email protected]', runAutolinker2_2_2)
-    .add('[email protected]', runAutolinker1_8_3)
+    // .add('[email protected]', runAutolinker3_16_2)
+    // .add('[email protected]', runAutolinker2_2_2)
+    // .add('[email protected]', runAutolinker1_8_3)
     .add('[email protected]', runLinkifyIt5_0_0)
     .add('[email protected]', runLinkifyHtml4_2_0)
     .add('[email protected]', runLinkifyString4_2_0)
@@ -52,13 +52,16 @@ suite
             head: ['Library', 'Ops/sec', 'MOE', 'Compared to Fastest'],
         });
         results.forEach(result => {
+            const resultPctSlower = pctSlower(result.ops, fastest.ops);
+            const resultTimesSlower = timesSlower(result.ops, fastest.ops);
+
             table.push([
                 result.name,
                 Benchmark.formatNumber(Math.floor(result.ops)),
                 result.margin,
                 result === fastest
                     ? 'Fastest ✅'
-                    : Math.floor((1 - result.ops / fastest.ops) * 100) + '% slower',
+                    : `${resultPctSlower}% (${resultTimesSlower}x) slower`,
             ]);
         });
         console.log(table.toString());
@@ -67,6 +70,14 @@ suite
     })
     .run({ async: true, minSamples: 100 });
 
+function pctSlower(currentOpsSec: number, fastestOpsSec: number) {
+    return Math.floor((1 - currentOpsSec / fastestOpsSec) * 100);
+}
+
+function timesSlower(currentOpsSec: number, fastestOpsSec: number) {
+    return (fastestOpsSec / currentOpsSec).toFixed(2);
+}
+
 interface Result {
     name: string;
     ops: number; // operations per second