Add chart labels

benchmarking/src/components/chart.js

@@ -47,7 +47,12 @@ class WasmVsJsChart extends React.Component {
 
   render() {
     let data = JSON.parse(JSON.stringify(this.props.data)) // deep copy
-    let options = genOptions('Wasm vs. JavaScript', false, this.state.scaleY)
+    let options = genOptions(
+      'Wasm vs. JavaScript',
+      false,
+      this.state.scaleY,
+      this.state.values
+    )
     if (this.state.values === 'hz') this.convertDataToHz(data)
     return (
       <>

benchmarking/src/components/chartOptions.js

@@ -26,11 +26,31 @@ export const datasetTemplates = {
   transformToObjectFormCase: genDataset('transformToObjectFormCase', 'green')
 }
 
-export function genOptions(title, stacked = false, scaleY = 'linear') {
+function genScaleLabel(label) {
+  return {
+    display: true,
+    labelString: label,
+    fontStyle: 'bold'
+  }
+}
+
+export function genOptions(
+  title,
+  stacked = false,
+  scaleY = 'linear',
+  perfUnit = 'mean'
+) {
+  const perfUnitText = {
+    mean: 'Milliseconds per operation (ms)',
+    hz: 'Operations per second (hz)'
+  }
   return {
     animation: {
       duration: 0
     },
+    legend: {
+      position: 'bottom'
+    },
     title: {
       display: true,
       text: title
@@ -46,7 +66,7 @@ export function genOptions(title, stacked = false, scaleY = 'linear') {
     scales: {
       xAxes: [
         {
-          // type: scaleX,
+          scaleLabel: genScaleLabel('Tolerance (length)'),
           stacked
         }
       ],
@@ -57,7 +77,8 @@ export function genOptions(title, stacked = false, scaleY = 'linear') {
           stacked,
           ticks: {
             min: 0
-          }
+          },
+          scaleLabel: genScaleLabel(`Performance - ${perfUnitText[perfUnit]}`)
         },
         {
           id: 'nodes',
@@ -68,7 +89,8 @@ export function genOptions(title, stacked = false, scaleY = 'linear') {
           },
           ticks: {
             min: 0
-          }
+          },
+          scaleLabel: genScaleLabel('Number of positions in result (#)')
         }
       ]
     }