[Swift-devel] RAM needs for running a swift workflow

[Yong Zhao]

I have some numbers using the big_diamond workflow:
The format is of following:

Mem
iteration_in_workflow time_to_typecheck_the_graph number_of_nodes_in_wokflow

big.kml:
1GB
5698 - 24m54s - 165243

512M
2832 - 13m4s - 82129

256M
1393 - 6m29s - 40398

128M
677 - 3m22s - 19634

64m
317 - 1m38s - 9194

32m
137 - 47s - 3974

Yong.

On Mon, 12 Mar 2007, Mike Wilde wrote:

> Does anyone have any data on how much memory is used for simple swift
> workflows, and how that scales up?
>
> I ask because if we have numerous students in a workshop running swift on the
> same submit host, we need to know how many it can handle before it consumes
> all RAM and starts paging/swapping.
>
> A good thing to measure in the future for our application workflows (albeit
> not the most critical for most applications).
>
> Alternatively - with the current command set, is there a practical way to have
> many users share the same JVM to run small independent workflows?  (I assume
> not, and that this might be a feature to consider in the distant future. Would
> there be much savings for sharing a JVM, or is more of the memory overhead
> per-workflow than per-JVM?)
>
> - Mike
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