init

license

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+MIT License
+Copyright (c) 2015 smcquay
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

main.go

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+package main
+
+import (
+	"math"
+	"runtime"
+	"sync"
+)
+
+func heat() {
+	var t float64 = math.MaxFloat64
+	for {
+		t /= 2.0
+		if t < math.SmallestNonzeroFloat32 {
+			t = math.MaxFloat64
+		}
+	}
+}
+
+func main() {
+	wg := sync.WaitGroup{}
+	wg.Add(1)
+	for i := 0; i < runtime.NumCPU(); i++ {
+		go heat()
+	}
+	wg.Wait()
+}

readme.md

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+# heat
+
+make heat by spinning up cpus