Hello! It is hard to provide a MWE, since this is a pattern I observe when running a simulation in Julia. I time the different operation and I see that closing a file through HDF5.jl takes up more time than I think it should: [image] To save time while running my simulation I store output file id…

Is Julia slow at closing files on Windows?

mkitti April 16, 2024, 12:38am 2

Closing files on Windows is slow. If you try the same code under WSL2, it might be faster.

Status of Julia on Windows

Topic		Replies	Views
HDF5 speed? Data hdf5	3	1775	October 20, 2017
JLD2 seems slow at write operations compared to serialize and HDF5 General Usage data	3	1214	November 20, 2017
Problems with h5py after update General Usage	5	1033	March 27, 2017
HDF5 utilising only a fraction of available system resources Performance question , package , hdf5	5	721	May 8, 2023
JLD takes too long reading names from a file Data jld	2	1117	April 11, 2017