From dc1c106671fe4a2a83af806c44e6dc3dbe1fea87 Mon Sep 17 00:00:00 2001
From: Swizec Teller <swizec@swizec.com>
Date: Thu, 11 Oct 2018 00:02:08 -0700
Subject: [PATCH] Burn CPU in background, keep measuring temp

---
 eat-cpu.js | 12 ++++++++++++
 index.js   | 16 ++++++++++------
 2 files changed, 22 insertions(+), 6 deletions(-)
 create mode 100644 eat-cpu.js

diff --git a/eat-cpu.js b/eat-cpu.js
new file mode 100644
index 0000000..0dadecd
--- /dev/null
+++ b/eat-cpu.js
@@ -0,0 +1,12 @@
+// Borrowed from https://gist.github.com/sqren/5083d73f184acae0c5b7
+
+function mySlowFunction(baseNumber) {
+    var result = 0;
+    for (var i = Math.pow(baseNumber, 10); i >= 0; i--) {
+        result += Math.atan(i) * Math.tan(i);
+    };
+    return result;
+}
+
+// module.exports = mySlowFunction;
+mySlowFunction(8);
\ No newline at end of file
diff --git a/index.js b/index.js
index 8c9e845..fdbb6ad 100644
--- a/index.js
+++ b/index.js
@@ -2,8 +2,7 @@ const si = require("systeminformation");
 const mri = require("mri");
 const sll = require("single-line-log").stdout;
 const kleur = require("kleur");
-const isPrime = require("prime-number");
-const eatCPU = require("./eat-cpu");
+const fork = require("child_process").fork;
 
 async function readTemp() {
     const temp = await si.cpuTemperature();
@@ -12,12 +11,17 @@ async function readTemp() {
 
 async function thawMyCarrots(targetTemp) {
     let temp = await readTemp(),
-        n = 2;
+        children = [];
 
     while (1) {
         if (temp.main < targetTemp) {
-            eatCPU(n);
-            n = n + 1;
+            if (children.length < 10) {
+                children.push(fork("./eat-cpu"));
+            }
+        } else if (temp.main > targetTemp) {
+            if (children.length > 0) {
+                children.pop().kill();
+            }
         }
 
         temp = await readTemp();
@@ -26,7 +30,7 @@ async function thawMyCarrots(targetTemp) {
             kleur.bold.red(temp.main.toFixed(2)),
             "\nCores at",
             kleur.bold.gray(temp.cores),
-            n
+            `\nChildren: ${children.length}`
         );
     }
 }