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#!/bin/sh
echo "WRITE SPEED"
for i in {0..2}; do
A=$(dd if=/dev/zero of=tempfile bs=1M count=1024 conv=fdatasync,notrunc 2>&1 | tail -1 | cut -d " " -f 8-)
echo $A
done
echo
echo "READ SPEED"
for i in {0..2}; do
echo 3 > /proc/sys/vm/drop_caches
A=$(dd if=tempfile of=/dev/null bs=1M count=1024 2>&1 | tail -1 | cut -d " " -f 8-)
echo $A
done
echo
echo "BUFFERED READ SPEED"
for i in {0..2}; do
A=$(dd if=tempfile of=/dev/null bs=1M count=1024 2>&1 | tail -1 | cut -d " " -f 8-)
echo $A
done
rm tempfile
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