TUFLOW Simulation Speed: Difference between revisions
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* Initialisation:
** Use XF files to speed up the model initialisation (the default).
** Use TIF or FLT grids for grid inputs instead of ASC as they are faster to read. FLT files are ESRI binary (float) version of the ASC files, their size is about 1/2 to 1/5 of an ASC file. To convert ASC to FLT, use -conv switch with our <u>[[ASC_to_ASC#Convert | ASC_to_ASC utility]]</u>.
* Writing check files:
** Writing check files to a local solid state drive usually take less time than to a network drive.
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** Make sure there is enough free space as drives slow down when they are nearing to being full.
** Use output zones to write localised results when specific areas of a model domain are of interest.
** Use TIF or FLT for grid results instead of ASC as they are more efficient in terms of write speed and file size.
** Specify XMDF for temporal output instead of DAT as they are more compressed and faster to write.
** Use appropriate <font color="blue"><tt>Map Output Interval</tt></font> for XMDF, e.g. around 100 output increments for the whole simulation unless an animation of high temporal resolution is to be created.
** Output only maximum TIF or FLT grids with <font color="blue"><tt>FLT Map Output Interval </tt></font> <font color="red"><tt>== </tt></font><tt>0</tt> instead of every <font color="blue"><tt>Map Output Interval</tt></font>. Keep the temporal output only as XMDF.
** Specify only <font color="blue"><tt>Map Output Data Types </tt></font> that are needed.
** For further details, see <u>[https://www.youtube.com/watch?v=-CsKKjG7jpQ&ab_channel=TUFLOW Output Management Advice]</u> webinar.
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