Re: [modeller_usage] Identical output for different batches

[Modeller Caretaker <>]

On 6/6/20 3:00 AM, ZHANG Cheng wrote:
> Thank you very much! Does it mean that I need to change "env = 
> environ()" to e.g. "env = environ(rand_seed=-81)", or "env = 
> environ(rand_seed=-775)", just anything that between -2 and -50000?

Yes.

> That is doable. But I have 100 jobs to run. In order to have the same 
> code for different jobs, can I do like this?
>
> random_integer = random.randint(-50000, -2)
> env = environ(rand_seed=random_integer)

I wouldn't recommend this as there's a small but non-zero chance of 
multiple jobs getting the same seed. Normally we use an environment 
variable that is guaranteed to be different for each run. For example if 
you run your jobs as tasks with something based on Sun Grid Engine (SGE)
this environment variable would be $SGE_TASK_ID.

	Ben Webb, Modeller Caretaker
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