I'm using SHA-1 to detect duplicates in a program handling files. It is not required to be cryptographic strong and may be reversible. I found this list of fast
private-cloud
node-amqp
volt
pyopencl
quanteda
unordered
r-future
strcat
inspector
speechsynthesizer
audioformat
btahl7
qmdiarea
hwb
datarowview
iisnode
mutt
flutter-ffmpeg
tfs-2018
cncontactformatter
parameter-expansion
droplet
aws-datasync
botframeworkemulator
opencv-solvepnp
android-paging-3
layered-navigation
testrigor
wexitstatus
nv12-nv21