A short script to detect the features of the current device (OS, CPU features, CPU flags)

detectSystemCapabilities.sh

#!/bin/bash
OS=$(uname -s)

#CPU flag detection
echo "****Getting CPU flag capabilities and number of cores"
if [ "$OS" = "Linux" ]; then
	cat /proc/cpuinfo  | egrep "(flags|model name|vendor)" | sort | uniq -c
elif [ "$OS" = "Darwin" ]; then
	sysctl -a | grep machdep.cpu.features
fi

#Compiler capabilities. -march=native is required!
echo "****Getting GCC capabilities (SSE|AVX)"
gcc -march=native -dM -E - < /dev/null | egrep "SSE|AVX" | sort

#OS kernel version
echo "****Getting OS Kernel Version"
uname -a