Compila un programa probando varias optimizaciones

compilatodo.sh

#!/bin/bash

CFLAGS="-flto -fopenmp -fwhole-program -Wall -Wl,--no-as-needed"
CXXFLAGS="$CFLAGS -std=c++0x"
LDFLAGS="-lm -lrt"
OPTS="-O0 -O1 -O2 -O3 -Os"

for code in *.cc;
do
    for opt in $OPTS;
    do
	g++ $code $CFLAGS $CXXFLAGS $opt $LDFLAGS -o "${code%.cc}$1$opt"
	echo "Tiempo ${code%.cc} $1$opt: `./${code%.cc}$1$opt $2`"
    done
done