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kubectl get pods | grep Evicted | awk '{print $1}' | xargs kubectl delete pod
@nadavrot
nadavrot / Matrix.md
Last active July 12, 2025 20:34
Efficient matrix multiplication

High-Performance Matrix Multiplication

This is a short post that explains how to write a high-performance matrix multiplication program on modern processors. In this tutorial I will use a single core of the Skylake-client CPU with AVX2, but the principles in this post also apply to other processors with different instruction sets (such as AVX512).

Intro

Matrix multiplication is a mathematical operation that defines the product of

@bradfitz
bradfitz / ws.go
Created November 5, 2018 17:06
pre-Go1.12 websocket hijack+proxy
httpsServer := &http.Server{
Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
hj, isHJ := w.(http.Hijacker)
if r.Header.Get("Upgrade") == "websocket" && isHJ {
c, br, err := hj.Hijack()
if err != nil {
log.Printf("websocket websocket hijack: %v", err)
http.Error(w, err.Error(), 500)
return
}