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  1. I am having trouble running a Tuflow model created by others. I have run similar sized/complex models before without much problem so I don’t think it is a hardware issue. I have got the simulation started but it is running extremely slowly. I left it running for 4 days and it was taking 6 hours of real time for 1 minute of simulation time, so that on the 4th day it had only run 15 mins of a 2hr simulation. Running a coarser model (increasing cell size, timestep etc.) doesn’t seem to speed up the simulation. I have checked the .tlf and it seems to be a memory allocation issue. The 2d ‘Boundary Conditions’ memory is over 8GB, (memory allocation screenshots attached) everything else seems to be ok. Can anyone let me know why this would be so big and how to reduce its size? For info I am running 2013-12-AC-iDP-w64 Tuflow version on a 64 bit PC with 8GB RAM: Intel(R) Xeon(R) CPU E3-1220 v3 @ 3.10GHz)
  2. Hi, Are there plans to support cloud computing? Perhaps through Amazon EC2 of Google Cloud compute. For Amazon you will need to build an Amazon Machine Image. I assume this would be based on Windows Server 2012, unless you plan on recompiling TUFLOW for Linux. I'm not sure if there's a way to port existing user licences, otherwise you could charge an hourly rate for licences through the AWS marketplace. Cloud computing would open up a number of opportunities: Model owners, such as local governments, who can't justify a TUFLOW licence could rent a licence at the same time as having a pre-configured server to simulate minor changes to their networks or test scenarios.Bigger and more complex models could be run faster, including post-processingSmaller consultancies who can't afford a TUFLOW licence could have access to a licence at lower costAs an engineer for a large organisation, these ideas might do me out of a job! Regards, Nick
  3. Hi TUFLOWers, We hope you have survived the dash to end of financial year . We frequently get asked, "What is the minimum or recommended hardware to use for TUFLOW modelling". This is always a tricky question, as the answer depends on the type and size of the models you are going to be running! For a small model, TUFLOW should run on any modern PC or laptop that is capable of running Windows XP or later. However, for large models there may be requirements for a hefty computer running a 64 bit version of Windows.To assist you, we have prepared a new Wiki page and download so that you can compare run performance on a range of computers and also your own, including both CPU and GPU (if you have one). For more details please refer to: http://wiki.tuflow.com/index.php?title=Hardware_Benchmarking Regards, the TUFLOW Team.
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