#!/bin/sh
##stream
curl -OL http://www.cs.virginia.edu/stream/FTP/Code/stream.c
gcc -fopenmp \
-mtune=native -march=native \
-O3 -mcmodel=medium \
-DSTREAM_ARRAY_SIZE=100000000 \
-DNTIMES=100 \
-DOFFSET=4096 \
stream.c -o stream
#cleancache
echo 3 > /proc/sys/vm/drop_caches
#单线程
export OMP_NUM_THREADS=1
./stream > stream.$OMP_NUM_THREADS.out
echo 3 > /proc/sys/vm/drop_caches
#多线程
export OMP_NUM_THREADS=$(lscpu | awk '/CPU\(s\):/{printf("%d\n",$2)}' | grep -v 0)
./stream > stream.$OMP_NUM_THREADS.out

##memtester
curl -Ol http://pyropus.ca/software/memtester/old-versions/memtester-4.5.0.tar.gz
tar -zxf memtester-4.5.0.tar.gz
cd memtester-4.5.0
date >/root/memtester.out && ./memtester $(free -m | awk '/Mem/{printf("%.0f\n",$4*0.8)}') 1 >>/root/memtester.out && date >>/root/memtester.out