apt update && apt upgrade -y
curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
cat <<EOF > /etc/apt/sources.list.d/kubernetes.list
deb http://apt.kubernetes.io/ kubernetes-xenial main
EOF
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).
Matrix multiplication is a mathematical operation that defines the product of
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import click | |
import requests | |
template = u"""/* | |
Name: {name} | |
Description: {description} | |
Data source: {data_source} | |
Created By: {created_by} | |
Last Update At: {last_updated_at} | |
*/ |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
select | |
concat( | |
'create table ', | |
table_name, | |
'(', | |
string_agg( | |
concat( | |
column_name, | |
' ', | |
CASE when is_nullable = 'YES' THEN 'Nullable(' END, |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/bin/bash | |
## Read and edit this file. | |
## Run it once as a root. | |
FILE="/Library/Scripts/ramdisk.sh" | |
if [[ $EUID -ne 0 ]]; then | |
echo "You must be a root user" 2>&1 | |
exit 1 |
OlderNewer