Discussion related to cado-nfs

[paul zimmermann <Paul.Zimmermann@inria.fr>]

       Hi Sara,

what probably happens is that the value of adrange is too large with respect
to the timeout limit (2 or 3 hours). You should decrease adrange in
parameters/factor/params.c195.

Which version of cado-nfs are you using?

Paul Zimmermann

> From: "sara hendrix" <sara.hendrix@engineer.com>
> Date: Tue, 9 Apr 2019 08:44:21 +0200
> 
> 
> [1:text/html Hide Save:noname (2kB)]
> 
> Hi,
>  
> I have a desktop with AMD 1950X processor (16 cores and 32 thread). When I
> ran cado-nfs to factor large number (c.195), I got the following error:
>  
> Error:Polynomial Selection (size optimized): Exceeded maximum number of 
> timed
> out workunits, maxtimedout=100 
> Traceback (most recent call last):
>   File "./cado-nfs.py", line 122, in <module>
>     factors = factorjob.run()
>   File "./scripts/cadofactor/cadotask.py", line 5429, in run
>     last_status, last_task = self.run_next_task()
>   File "./scripts/cadofactor/cadotask.py", line 5504, in run_next_task
>     return [task.run(), task.title]
>   File "./scripts/cadofactor/cadotask.py", line 1862, in run
>     self.submit_one_wu()
>   File "./scripts/cadofactor/cadotask.py", line 2111, in submit_one_wu
>     self.submit_command(p, "%d-%d" % (adstart, adend), commit=False)
>   File "./scripts/cadofactor/cadotask.py", line 1505, in submit_command
>     self.wait()
>   File "./scripts/cadofactor/cadotask.py", line 1577, in wait
>     self.resubmit_timed_out_wus()
>   File "./scripts/cadofactor/cadotask.py", line 1629, in
> resubmit_timed_out_wus
>     self.cancel_wu(entry["wuid"], commit=False)
>   File "./scripts/cadofactor/cadotask.py", line 1497, in cancel_wu
>     raise Exception("Too many timed out work units. Please increase
> tasks.maxtimedout (current value is %d)" % maxtimedout)
> Exception: Too many timed out work units. Please increase tasks.maxtimedout
> (current value is 100)
>  
>  
> I increased the "tasks.maxtimedout" in c.195 from 100 to 1000, however I got
> the same error.
>  
> Can anyone help me with that?
>  
> Regards,
> Sara
> 
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> 
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