mirror of
https://github.com/9001/copyparty.git
synced 2025-08-17 09:02:15 -06:00
68 lines
2.3 KiB
Bash
Executable file
68 lines
2.3 KiB
Bash
Executable file
#!/bin/bash
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set -euo pipefail
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# check how fast copyparty is able to hash files during indexing
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# assuming an infinitely fast HDD to read from (alternatively,
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# checks whether you will be bottlenecked by CPU or HDD)
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#
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# uses copyparty's default config of using, well, it's complicated:
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# * if you have more than 8 cores, then 5 threads,
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# * if you have between 4 and 8, then 4 threads,
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# * anything less and it takes your number of cores
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#
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# can be adjusted with --hash-mt (but alpine caps out at 5)
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[ $# -ge 1 ] || {
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echo 'need arg 1: path to copyparty-sfx.py'
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echo ' (remaining args will be passed on to copyparty,'
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echo ' for example to tweak the hasher settings)'
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exit 1
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}
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sfx="$1"
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shift
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sfx="$(realpath "$sfx" || readlink -e "$sfx" || echo "$sfx")"
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awk=$(which gawk || which awk)
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# try to use /dev/shm to avoid hitting filesystems at all,
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# otherwise fallback to mktemp which probably uses /tmp
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td=/dev/shm/cppbenchtmp
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mkdir $td || td=$(mktemp -d)
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trap "rm -rf $td" INT TERM EXIT
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cd $td
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echo creating 256 MiB testfile in $td
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head -c $((1024*1024*256)) /dev/urandom > 1
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echo creating 127 symlinks to it
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for n in $(seq 2 128); do ln -s 1 $n; done
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echo warming up cache
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cat 1 >/dev/null
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echo ok lets go
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python3 "$sfx" -p39204 -e2dsa --dbd=yolo --exit=idx -lo=t "$@"
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echo and the results are...
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$awk '/1 volumes in / {printf "%s MiB/s\n", 256*128/$(NF-1)}' <t
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echo deleting $td and exiting
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##
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## some results:
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# MiB/s @ cpu or device (copyparty, pythonver, distro/os) // comment
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# 3340 @ Ryzen 5 4500U (cpp 1.9.5, py 3.11.5, fedora 38) // --hash-mt=6; laptop
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# 2696 @ Ryzen 5 4500U (cpp 1.9.5, py 3.11.5, fedora 38) // --hash-mt=4 (old-default)
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# 2202 @ Ryzen 5 4500U (cpp 1.9.5, py 3.11.5, docker-alpine 3.18.3) ??? alpine slow
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# 2719 @ Ryzen 5 4500U (cpp 1.9.5, py 3.11.2, docker-debian 12.1)
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# 5544 @ Intel i5-12500 (cpp 1.9.5, py 3.11.2, debian 12.0) // --hash-mt=12; desktop
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# 5197 @ Ryzen 7 3700X (cpp 1.9.5, py 3.9.18, freebsd 13.2) // --hash-mt=8; 2u server
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# 2606 @ Ryzen 7 3700X (cpp 1.9.5, py 3.9.18, freebsd 13.2) // --hash-mt=4 (old-default)
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# 1436 @ Ryzen 5 5500U (cpp 1.9.5, py 3.11.4, alpine 3.18.3) // nuc
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# 1065 @ Pixel 7 (cpp 1.9.5, py 3.11.5, termux 2023-09)
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# notes,
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# podman run --rm -it --shm-size 512m --entrypoint /bin/ash localhost/copyparty-min
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