Samuel Williams ioquatix

## Matrix.md

      
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                nadavrot
                / Matrix.md
            
            
              Last active
              April 25, 2024 22:59
            
              
                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

  
## TaskConcurrencyManifesto.md

      
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                lattner
                / TaskConcurrencyManifesto.md
            
            
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              April 25, 2024 18:22
            
              
                Swift Concurrency Manifesto
              
          
    Swift Concurrency Manifesto

Author: Chris Lattner
Chinese Translation by Jason Yu
Contents


Introduction
Overall Vision


## ruby_cert.rb
#Reference
#https://devnotcorp.wordpress.com/2012/08/21/usage-examples-of-rubys-openssl-lib/


#!/usr/bin/ruby
require 'openssl'
require 'date'
require 'time'


## replace-debian-with-arch.txt
# Download latest archlinux bootstrap package, see https://www.archlinux.org/download/
wget 'ftp://ftp.nluug.nl/pub/os/Linux/distr/archlinux/iso/latest/archlinux-bootstrap-*-x86_64.tar.gz'

# Make sure you'll have enough entropy for pacman-key later.
apt-get install haveged

# Install the arch bootstrap image in a tmpfs.
mount -t tmpfs none /mnt
cd /mnt
tar xvf ~/archlinux-bootstrap-*-x86_64.tar.gz --strip-components=1

## signalfd-with-threads-sucks.c
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <signal.h>
#include <pthread.h>
#include <sys/signalfd.h>
#include <sys/time.h>
#include <sys/types.h>

#define handle_error(msg) \

## self_signed_cert.rb

      
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                nickyp
                / self_signed_cert.rb
            
            
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              September 4, 2023 23:46
            
              
                create a self-signed certificate using ruby-openssl
              
          
              We couldn’t find that file to show.
              
            
## conditionalget.rb
def defer(&block)
  def block.each ; yield call ; end
  block
end

app =
  lambda do |env|
    status = 200
    headers = { 'Last-Modified' => exec_sql('SELECT MAX(updated_at) FROM foos').httpdate }
	#Reference
	#https://devnotcorp.wordpress.com/2012/08/21/usage-examples-of-rubys-openssl-lib/



	#!/usr/bin/ruby
	require 'openssl'
	require 'date'
	require 'time'
	#include <stdlib.h>
	#include <stdio.h>
	#include <unistd.h>
	#include <signal.h>
	#include <pthread.h>
	#include <sys/signalfd.h>
	#include <sys/time.h>
	#include <sys/types.h>

	#define handle_error(msg) \
	def defer(&block)
	def block.each ; yield call ; end
	block
	end

	app =
	lambda do \|env\|
	status = 200
	headers = { 'Last-Modified' => exec_sql('SELECT MAX(updated_at) FROM foos').httpdate }