Sydney,
1 There have been many projects to look at cells, division,
multiplication, ... It is worth researching the Python eco-system in the
expectation of saving yourself time and effort!
2 The latest releases of Python (such as you quote) offer updated
asyncio module(s) for multiprocessing, ie be careful if you are reading
older articles! We haven't discussed hardware. Most modern PC CPUs offer
multiple "cores". Assuming (say) four cores, asyncio is capable of
running up to four processes concurrently - realising attendant
acceleration of the entirety.
(admittedly, I tend to limit my ambitions to number_of_cores - 1)
On 12/07/19 3:40 AM, Mike Barnett wrote:
If you're passing parameters as a list, then you need a "," at the end of the
items. Otherwise if you have something like a string as the only item, the list will be
the string.
list_with_one_item = ['item one',]
@mike
-----Original Message-----
From: Shall, Sydney <sydney.sh...@kcl.ac.uk>
Sent: Wednesday, July 10, 2019 11:44 AM
To: tutor@python.org
Subject: [Tutor] Multiprocessing with many input input parameters
I am using MAC OS X 10.14.5 on a MAC iBook I use Python 3.7.0 from Anaconda,
with Spyder 3.3.3
I am a relative beginner.
My program models cell reproduction. I have written a program that models this
and it works.
Now I want to model a tissue with several types of cells. I did this by simply
rerunning the program with different inputs (cell characteristics). But now I
want to send and receive signals between the cells in each population. This
requires some sort of concurrent processing with halts at appropriate points to
pass and receive signals.
I thought to use multiprocessing. I have read the documentation and reproduced
the models in the docs. But I cannot figure out how to feed in the data for
multiple parameters.
I have tried using Pool and it works fine, but I can only get it to accept 1
input parameter, although multiple data inputs with one parameter works nicely.
So, my questions are;
1. Is multiprocessing the suitable choice.
2. if yes, how does one write a function with multiple input parameters.
Thank s in advance.
Sydney
Prodessor. Sydney Shall
Department of Haematological Medicine
King's College London
123 Coldharbour Lane
London SE5 9NU
ENGLAND
E-Mail: sydney.shall
(Correspondents outside the College should add @KCL.AC.UK)
TEL: +44 (0)208 48 59 01
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Regards =dn
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