[yt-dev] yt-3.0 parallel_capable

[Britton Smith]

HI Nathan,

Adding that call did not change the result.  To be clear, this is what I
ran:
http://paste.yt-project.org/show/4548/

What is strange is that the logger was clearly set up for parallel as it
correctly prints the different processor numbers.  Enable parallelism shows
that parallel_capable is True, so somewhere along the line this is getting
changed.

Britton


On Tue, Apr 22, 2014 at 8:23 PM, Nathan Goldbaum <nathan12343 at gmail.com>wrote:

> Hi Britton,
>
> What happens when you call yt.enable_parallelism() at the top of the
> script?
>
> There were some adjustments to the way parallelism works related to
> YTEP-0019.  See this PR:
> https://bitbucket.org/yt_analysis/yt/pull-request/729/ytep-0019/diff
>
> Do you have a short test script I can try running over here to confirm the
> issue?
>
> -Nathan
>
>
> On Tue, Apr 22, 2014 at 12:20 PM, Britton Smith <brittonsmith at gmail.com>wrote:
>
>> Hi all,
>>
>> I don't recall when I first noticed this, but I'm finding that the
>> parallel_root_only decorator doesn't seem to be working.  A simple test is
>> to run a script that only loads a dataset.  The print_key_parameters
>> function is inside of a parallel_root_only decorator, so all that should
>> only be printed by the root processor, but when I run that script in
>> parallel it is printed by all processors.  I am still looking into this,
>> but so far I have found that printing the value of parallel_capable inside
>> this decorator always gives False even when running in parallel.
>>
>> Can someone confirm this?  If so, does anyone know what's going on?
>>
>> Britton
>>
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