for filesize in 4 1024; do
BENCH_FILESIZE=$(($filesize * 1024))
BENCH_FILECOUNT=$(($size * 1024 / $filesize / $BENCH_THREADS))
for filesize in 4 1024; do
BENCH_FILESIZE=$(($filesize * 1024))
BENCH_FILECOUNT=$(($size * 1024 / $filesize / $BENCH_THREADS))