[yt-users] PhasePlot give inconsistent results with different core count and fieldc

[Geoffrey So]

Thanks Britton, glad to know.

From
G.S.


On Mon, Mar 31, 2014 at 11:33 AM, Britton Smith <brittonsmith at gmail.com>wrote:

> Hi Geoffrey,
>
> Only PhasePlot and ProfilePlot have been affected.
>
> Britton
>
>
> On Mon, Mar 31, 2014 at 7:32 PM, Geoffrey So <gsiisg at gmail.com> wrote:
>
>> Hi,
>>
>> Thanks for the quick fix.  My question is did the bug affect anything
>> else besides PhasePlot (ProjectionPlot, SlicePlot etc)?  My old results
>> using PlotCollection and add_phase in parallel should be OK right?
>>
>> From
>> G.S.
>>
>>
>> On Mon, Mar 31, 2014 at 10:13 AM, Britton Smith <brittonsmith at gmail.com>wrote:
>>
>>> Hi again,
>>>
>>> The pull request has been accepted.  You can do "yt update" and you
>>> should be all set.
>>>
>>> Britton
>>>
>>>
>>> On Mon, Mar 31, 2014 at 4:03 PM, Britton Smith <brittonsmith at gmail.com>wrote:
>>>
>>>> Hi Geoffrey,
>>>>
>>>> The operation to combine profile and phase plot data after running in
>>>> parallel was missing, so what you were seeing was the results from only one
>>>> of the processors.  I have just filed a pull request to fix this.  Now, I
>>>> get the same results independent of processor number.  Please. have a look
>>>> at the PR here<https://bitbucket.org/yt_analysis/yt/pull-request/782/adding-parallel-support-to-profilend/diff> and
>>>> test it out if you can.
>>>>
>>>> Britton
>>>>
>>>>
>>>> On Mon, Mar 31, 2014 at 2:14 PM, Matthew Turk <matthewturk at gmail.com>wrote:
>>>>
>>>>> Hi Geoffrey,
>>>>>
>>>>> Britton and I verified you are correct, there is a problem with the
>>>>> ProfileND objects not conducting their parallel reduction operation.
>>>>> A fix is forthcoming.
>>>>>
>>>>> -Matt
>>>>>
>>>>> On Mon, Mar 31, 2014 at 5:31 AM, Geoffrey So <gsiisg at gmail.com> wrote:
>>>>> > The following script gives me different results in the 2d phase plot
>>>>> when I
>>>>> > use multiple cores and switch the fieldc parameter.  The results are
>>>>> > consistent if I only use a single core.  Some of the plots produced
>>>>> seems
>>>>> > like it is missing data points or under-sampled, so I'm guessing
>>>>> maybe not
>>>>> > all the data from all the cores were collected at the end.
>>>>> >
>>>>> > From
>>>>> > G.S.
>>>>> >
>>>>> >
>>>>> #-----------------------------------------------------------------------------------
>>>>> > from yt.mods import *
>>>>> >
>>>>> > i=2
>>>>> > file = "RD%04i" % i
>>>>> > fn = file+"/"+file
>>>>> > pf=load(fn)
>>>>> > dd=pf.h.all_data()
>>>>> >
>>>>> > fieldx='Density'
>>>>> > fieldy='Temperature'
>>>>> > fieldc='CellVolumeCode'
>>>>> > #fieldc='CellVolume'
>>>>> > #fieldc='CellMassMsun'
>>>>> > #fieldc='CellMass'
>>>>> > #fieldc='Ones'
>>>>> >
>>>>> > pplot = PhasePlot(dd, fieldx, fieldy, [fieldc],weight_field=None)
>>>>> > pplot.save('example/'+file)
>>>>> >
>>>>> #---------------------------------------------------------------------------------------
>>>>> >
>>>>> >
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