diff --git a/benchmark/contour.mjs b/benchmark/contour.mjs
index ae3df70..7bb1855 100644
--- a/benchmark/contour.mjs
+++ b/benchmark/contour.mjs
@@ -1,3 +1,5 @@
+// node --cpu-prof benchmark/contour.mjs
+
 import { readFileSync } from 'fs';
 import { join } from 'path'
 
@@ -10,34 +12,47 @@ const __dirname = new URL('.', import.meta.url).pathname;
 const data = readFileSync(join(__dirname, '../src/__tests__/data/zhmbc_0.jdx'), 'utf8');
 const parsed = convert(data, { noContour: true }).flatten[0];
 
-
 for (let i = 0; i < parsed.minMax.z.length; i++) {
   parsed.minMax.z[i] = Float64Array.from(parsed.minMax.z[i])
 }
 
+console.log('Size: ', parsed.minMax.z[0].length, 'x', parsed.minMax.z.length);
+
 const conrec = new Conrec(parsed.minMax.z);
 
-const number = 100
+let levels = [];
+for (let level = -1e4; level <= 1e4; level += 2e2) {
+  levels.push(level);
+}
+
+console.log(`We calculate ${levels.length} levels close to zero to be close to noise`);
+
+let result;
 
-console.time('basic');
-for (let i = 0; i < number; i++) {
+if (true) {
+  console.time('basic');
 
-  conrec.drawContour({
+  result = (conrec.drawContour({
     contourDrawer: 'basic',
-    levels: [-100000, 100000],
+    levels,
     timeout: 10000,
+  }));
+  console.log(result.contours.length)
+  console.timeEnd('basic');
+  const totalNumberContours = result.contours.reduce((acc, contour) => acc + contour.lines.length, 0);
+  console.log({ totalNumberContours })
+} else {
+  console.time('shape');
+  result = conrec.drawContour({
+    contourDrawer: 'shape',
+    levels,
+    timeout: 1000000,
   });
+  console.timeEnd('shape');
+  // console.log(result)
+  console.log(result.contours.length)
+  const totalNumberContours = result.contours.reduce((acc, contour) => acc + contour.lines.length, 0);
+  console.log({ totalNumberContours })
+
 }
-console.timeEnd('basic');
 
-if (false) {
-  console.time('shape');
-  for (let i = 0; i < number; i++) {
-    conrec.drawContour({
-      contourDrawer: 'shape',
-      levels: [-100000, 100000],
-      timeout: 10000,
-    });
-  }
-  console.timeEnd('shape');
-}
\ No newline at end of file