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How to use multiple GPUs in ABAQUS command line?

How to use multiple GPUs in ABAQUS command line?

How to use multiple GPUs in ABAQUS command line?

(OP)
Hello,

I am new to abaqus command line and trying to solve massive explicit dynamics and steady dynamics models. I want to use multiple CPUs and GPUs to sole this. I searched on internet and found the syntax as:

c:\Temp> abaqus job=Job-1 cpus=16 gpus=1 input=file1.inp double interactive

Is this syntax correct, especially gpus part? or do I need to write some more command to use GPU, such as type of GPU or something like that? Can someone tell me what "double interactive" in above syntax means?

After solving abaqus generates a number of files. How to get time to solve entire problem and where is it listed? Is it listed in .dat file (JOB TIME SUMMARY)?

I read many articles and papers on internet saying GPUs accelerate simulation process. However it may be possible that large amount of data transfer to GPU can take much more time and hence overall time to run may increase instead of decrease. Can someone who used this feature of GPUs comment?
--Andrew P

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