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Add logger

Merged Loic Hausammann requested to merge add_logger into master
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@@ -43,3 +43,18 @@ SWIFT uses the parallel-hdf5 library to read and write snapshots
@@ -43,3 +43,18 @@ SWIFT uses the parallel-hdf5 library to read and write snapshots
efficiently on distributed file systems. Through careful tuning of
efficiently on distributed file systems. Through careful tuning of
Lustre parameters, SWIFT can write snapshots at the maximal disk
Lustre parameters, SWIFT can write snapshots at the maximal disk
writing speed of a given system.
writing speed of a given system.
 
 
 
### Logger
 
 
In SWIFT, we developed a new way of writing the information contained in
 
snapshots (Hausammann and Gonnet (in prep.)).
 
In cosmological simulations, the time scale of the different particles
 
can differ by a few order of magnitudes.
 
This technique reduces the data entropy by writing the particles according
 
to their own time scale.
 
SWIFT is able this way to increase the time resolution of the output while
 
keeping the files to a decent size.
 
 
<div class="videowrapper"><iframe width="100%" height="100%" src="https://www.youtube.com/embed/6aBry0CUgVw" frameborder="0" allowfullscreen></iframe>
 
</div>
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