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Burn CPU in background, keep measuring temp

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Swizec Teller 2018-10-11 00:02:08 -07:00
parent 30d20527c5
commit dc1c106671
2 changed files with 22 additions and 6 deletions
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12
eat-cpu.js Normal file
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@ -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);

16
index.js
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@ -2,8 +2,7 @@ const si = require("systeminformation");
const mri = require("mri"); const mri = require("mri");
const sll = require("single-line-log").stdout; const sll = require("single-line-log").stdout;
const kleur = require("kleur"); const kleur = require("kleur");
const isPrime = require("prime-number"); const fork = require("child_process").fork;
const eatCPU = require("./eat-cpu");
async function readTemp() { async function readTemp() {
const temp = await si.cpuTemperature(); const temp = await si.cpuTemperature();
@ -12,12 +11,17 @@ async function readTemp() {
async function thawMyCarrots(targetTemp) { async function thawMyCarrots(targetTemp) {
let temp = await readTemp(), let temp = await readTemp(),
n = 2; children = [];
while (1) { while (1) {
if (temp.main < targetTemp) { if (temp.main < targetTemp) {
eatCPU(n); if (children.length < 10) {
n = n + 1; children.push(fork("./eat-cpu"));
}
} else if (temp.main > targetTemp) {
if (children.length > 0) {
children.pop().kill();
}
} }
temp = await readTemp(); temp = await readTemp();
@ -26,7 +30,7 @@ async function thawMyCarrots(targetTemp) {
kleur.bold.red(temp.main.toFixed(2)), kleur.bold.red(temp.main.toFixed(2)),
"\nCores at", "\nCores at",
kleur.bold.gray(temp.cores), kleur.bold.gray(temp.cores),
n `\nChildren: ${children.length}`
); );
} }
} }