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Refresh btrfs-benchmark.sh numbers

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This commit is contained in:
Timofey Titovets 2023-10-04 14:53:59 +02:00
parent 0e2cfebb63
commit f4da66066c
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contrib/linux-kernel/btrfs-benchmark.sh
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@ -1,54 +1,55 @@
# !/bin/sh
set -e
# Benchmarks run on a Ubuntu 14.04 VM with 2 cores and 4 GiB of RAM.
# The VM is running on a Macbook Pro with a 3.1 GHz Intel Core i7 processor and
# 16 GB of RAM and an SSD.
# Benchmarks run on a Ubuntu 22.04 VM with 2 cores and 8 GiB of RAM.
# The VM is c6i.xlarge instance with a Intel 8375C 2.90GHz processor and gp3 SSD with throughput 500 MB/s.
# Hyperthreading disabled
# Kernel: 6.2
# silesia is a directory that can be downloaded from
# http://mattmahoney.net/dc/silesia.html
# ls -l silesia/
# $ ls -lh ./silesia/
# total 203M
# -rwxr-xr-x 1 terrelln 9.8M Apr 12 2002 dickens
# -rwxr-xr-x 1 terrelln 49M May 31 2002 mozilla
# -rwxr-xr-x 1 terrelln 9.6M Mar 20 2003 mr
# -rwxr-xr-x 1 terrelln 32M Apr 2 2002 nci
# -rwxr-xr-x 1 terrelln 5.9M Jul 4 2002 ooffice
# -rwxr-xr-x 1 terrelln 9.7M Apr 11 2002 osdb
# -rwxr-xr-x 1 terrelln 6.4M Apr 2 2002 reymont
# -rwxr-xr-x 1 terrelln 21M Mar 25 2002 samba
# -rwxr-xr-x 1 terrelln 7.0M Mar 24 2002 sao
# -rwxr-xr-x 1 terrelln 40M Mar 25 2002 webster
# -rwxr-xr-x 1 terrelln 8.1M Apr 4 2002 x-ray
# -rwxr-xr-x 1 terrelln 5.1M Nov 30 2000 xml
# -rw-rw-r-- 1 ubuntu ubuntu 9.8M Apr 12 2002 dickens
# -rw-rw-r-- 1 ubuntu ubuntu 49M May 31 2002 mozilla
# -rw-rw-r-- 1 ubuntu ubuntu 9.6M Mar 20 2003 mr
# -rw-rw-r-- 1 ubuntu ubuntu 32M Apr 2 2002 nci
# -rw-rw-r-- 1 ubuntu ubuntu 5.9M Jul 4 2002 ooffice
# -rw-rw-r-- 1 ubuntu ubuntu 9.7M Apr 11 2002 osdb
# -rw-rw-r-- 1 ubuntu ubuntu 6.4M Apr 2 2002 reymont
# -rw-rw-r-- 1 ubuntu ubuntu 21M Mar 25 2002 samba
# -rw-rw-r-- 1 ubuntu ubuntu 7.0M Mar 24 2002 sao
# -rw-rw-r-- 1 ubuntu ubuntu 40M Mar 25 2002 webster
# -rw-rw-r-- 1 ubuntu ubuntu 8.1M Apr 4 2002 x-ray
# -rw-rw-r-- 1 ubuntu ubuntu 5.1M Nov 30 2000 xml
# $HOME is on a ext4 filesystem
BENCHMARK_DIR="$HOME/silesia/"
N=10
# Normalize the environment
sudo umount /mnt/btrfs 2> /dev/null > /dev/null || true
sudo mount -t btrfs $@ /dev/sda3 /mnt/btrfs
sudo umount /mnt/btrfs 2>/dev/null >/dev/null || true
sudo mount -t btrfs $@ /dev/nvme1n1 /mnt/btrfs
sudo rm -rf /mnt/btrfs/*
sync
sudo umount /mnt/btrfs
sudo mount -t btrfs $@ /dev/sda3 /mnt/btrfs
sudo mount -t btrfs $@ /dev/nvme1n1 /mnt/btrfs
# Run the benchmark
echo "Compression"
time sh -c "for i in \$(seq $N); do sudo cp -r $BENCHMARK_DIR /mnt/btrfs/\$i; done; sync"
echo "Approximate compression ratio"
printf "%d / %d\n" \
$(df /mnt/btrfs --output=used -B 1 | tail -n 1) \
$(sudo du /mnt/btrfs -b -d 0 | tr '\t' '\n' | head -n 1);
printf "print(1 / (%d / %d))\n" \
$(df /mnt/btrfs --output=used -B 1 | tail -n 1) \
$(sudo du /mnt/btrfs -b -d 0 | tr '\t' '\n' | head -n 1) | python3 -
# Unmount and remount to avoid any caching
sudo umount /mnt/btrfs
sudo mount -t btrfs $@ /dev/sda3 /mnt/btrfs
sudo mount -t btrfs $@ /dev/nvme1n1 /mnt/btrfs
echo "Decompression"
time sudo tar -c /mnt/btrfs 2> /dev/null | wc -c > /dev/null
time sudo tar -c /mnt/btrfs 2>/dev/null | wc -c >/dev/null
sudo rm -rf /mnt/btrfs/*
sudo umount /mnt/btrfs
@ -60,45 +61,45 @@ sudo umount /mnt/btrfs
# none
# compress: 4.205 s
# decompress: 3.090 s
# decompress: 3.808 s
# ratio: 0.99
# lzo
# compress: 5.328 s
# decompress: 4.793 s
# ratio: 1.66
# compress: 3.021 s
# decompress: 8.162 s
# ratio: 1.68
# zlib
# compress: 32.588 s
# decompress: 8.791 s
# ratio : 2.58
# zlib 3
# compress: 23.656 s
# decompress: 17.454 s
# ratio : 2.64
# zstd 1
# compress: 8.147 s
# decompress: 5.527 s
# ratio : 2.57
# compress: 4.502 s
# decompress: 9.569 s
# ratio : 2.64
# zstd 3
# compress: 12.207 s
# decompress: 5.195 s
# ratio : 2.71
# compress: 6.225 s
# decompress: 9.576 s
# ratio : 2.78
# zstd 6
# compress: 30.253 s
# decompress: 5.324 s
# ratio : 2.87
# compress: 13.551 s
# decompress: 9.632 s
# ratio : 2.94
# zstd 9
# compress: 49.659 s
# decompress: 5.220 s
# ratio : 2.92
# compress: 23.065 s
# decompress: 10.379 s
# ratio : 2.99
# zstd 12
# compress: 99.245 s
# decompress: 5.193 s
# ratio : 2.93
# compress: 62.375 s
# decompress: 11.503 s
# ratio : 3.00
# zstd 15
# compress: 196.997 s
# decompress: 5.992 s
# ratio : 3.01
# compress: 133.582 s
# decompress: 12.124 s
# ratio : 3.14