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__pycache__ | ||
resources | ||
*.kate-swp | ||
benchmark.*.txt |
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#!/bin/sh | ||
set -eu | ||
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width=1920 | ||
height=1080 | ||
fps=60 | ||
timeout=180 | ||
video_url="https://google.github.io/mediapipe/images/selfie_segmentation_web.mp4" | ||
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for ffmpeg in ffmpeg avconv ""; do | ||
test -n "$ffmpeg" || { | ||
echo "This script needs ffmpeg or avconv." | ||
exit 1 | ||
} | ||
command -v "$ffmpeg" >/dev/null && break || : | ||
done | ||
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# get sudo password and keep it active | ||
sudo -v | ||
( while sleep 1; do sudo -v; done; ) & | ||
pids="$!" | ||
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# create file for test video | ||
video="$(mktemp)" | ||
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# registister cleanup function | ||
cleanup() { | ||
rm -f -- "$video" | ||
kill $pids; wait | ||
sudo -- $SHELL -c 'modprobe -r v4l2loopback; modprobe v4l2loopback' | ||
} | ||
trap cleanup EXIT | ||
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# create the necessary v4l2loopback devices | ||
sudo -- $SHELL -s <<EOF | ||
modprobe -r v4l2loopback | ||
modprobe v4l2loopback devices=2 exclusive_caps=1,1 video_nr=99,100 | ||
EOF | ||
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# download video and loop it to /dev/video99 | ||
wget -qO "$video" "$video_url" | ||
"$ffmpeg" -hide_banner -loglevel quiet -hwaccel auto \ | ||
-re -stream_loop -1 -i "$video" \ | ||
-vf scale="$width:$height" -r "$fps" \ | ||
-f v4l2 -an -vcodec rawvideo -pix_fmt yuyv422 /dev/video99 & | ||
pids="$pids $!" | ||
sleep 3 | ||
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git_head="$(git rev-parse HEAD)" | ||
{ | ||
echo "${width}x${height}@$fps for $timeout seconds" | ||
test $# -eq 0 || echo "extra arguments: $*" | ||
echo "HEAD: $git_head"; echo | ||
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# system information | ||
uname -srvmo | ||
sed -n 's/^model name\s*:\s*//p' /proc/cpuinfo | sort | uniq -c; echo | ||
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# python information | ||
python3 -c ' | ||
import importlib.metadata, sys | ||
venv = (hasattr(sys, "real_prefix") or | ||
(hasattr(sys, "base_prefix") and sys.base_prefix != sys.prefix)) | ||
print("python", sys.version) | ||
print("virtualenv", venv) | ||
print() | ||
for module in sys.argv[1:]: | ||
try: | ||
print(module, importlib.metadata.version(module)) | ||
except importlib.metadata.PackageNotFoundError: | ||
print(module, "not found") | ||
' $(sed -rn 's/^([A-Z0-9][A-Z0-9._-]*[A-Z0-9]).*/\1/pi' requirements.txt); echo | ||
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# run fake.py for specified timeout and gather statistics | ||
export PYTHONUNBUFFERED=yes | ||
timeout --foreground --preserve-status -s QUIT "$timeout" \ | ||
./fake.py -w /dev/video99 -v /dev/video100 \ | ||
-W "$width" -H "$height" -F "$fps" --no-ondemand "$@" | | ||
stdbuf -oL tr '\r' '\n' | | ||
python3 -c ' | ||
import sys, statistics | ||
fps = [] | ||
for line in sys.stdin: | ||
if line.startswith("FPS:"): | ||
fps.append(float(line.split(":")[-1].strip())) | ||
print(fps[-1], end="\r", file=sys.stderr) | ||
print("avg %.2f, stdev %.2f" %(statistics.mean(fps), statistics.stdev(fps))) | ||
' | ||
} | tee "benchmark.$git_head.txt" |