#!/bin/bash
echo "title: === dwaves.de v1.2 ==="
echo "dates: 
               date-creation:    long-time-ago
               date-last-test:   2024-12-24  """

echo "what: simple sequential harddisk write and single core cpu benchmark"
echo "requirements: apt install coreutils"
echo "usage: in bash or sh run it like: time ./benchmark_md5sum.sh"

echo "=== installed cpu:"
lscpu | head
cat /proc/cpuinfo | head

echo "=== number of cores:"
cat /proc/cpuinfo | grep "processor" | wc -l

echo "=== generate 1GB test file";

dd if=/dev/zero of=md5sumTestFile count=1048576 bs=1024;

echo "=== display filesize of generated testfile";
du -h md5sumTestFile;

echo "=== running md5sum on testfile (single core)";
md5sum md5sumTestFile;

# removing test file
rm -rf md5sumTestFile;