Thanks Dannon for the reference. I checked out the tool and installed from
toolshed on my local Galaxy instance. I also checked out the related paper
which refers that the Blast executables run in parallel by partitioning the
input files into fragments and running batches in parallel. That sounds
cool. I browsed the code but could not find the exact mechanism. Is the
parallelism at workflow level aka branch parallelism or is it at the tool
level that is the tool invokes parallel code?

Thanks,
Ketan


On Thu, Feb 6, 2014 at 9:42 AM, Dannon Baker <dannon.ba...@gmail.com> wrote:

> Ketan,
>
> Have you taken a look at galaxy's built-in parallelism framework?  For a
> great current example of a tool using this, look at Peter's NCBI BLAST+
> wrappers.  https://github.com/peterjc/galaxy_blast
>
> -Dannon
>
>
> On Thu, Feb 6, 2014 at 10:32 AM, Ketan Maheshwari <
> ketancmaheshw...@gmail.com> wrote:
>
>> Hi John, Alex, All,
>>
>> Elaborating on the motivation behind my question of running tools within
>> tool. First, running a tool in parallel at large-scale. For example, if I
>> need to find a pattern from 1000 files via Galaxy Select tool from Text and
>> Filter tool-group, I am limited by providing one file at a time to the tool
>> which will take a long time to finish. Please correct me if there is a more
>> sophisticated way to approach this problem. Second, related concern is
>> running a tool in parallel on one or more HPC resources.
>>
>> We want to write a generic wrapper Galaxy tool, powered by Swift parallel
>> framework such that it can run any arbitrary Galaxy tool in parallel on HPC
>> resources. Currently, we have developed this capability but for external
>> executables which is not a most secure way of using Galaxy as I understand
>> from previous conversation.
>>
>> Having such a wrapper tool in a standard way is desirable so that it
>> preserves the tool contract and binding within Galaxy environment. That is
>> maintaining the history and metadata conventions of Galaxy.
>>
>> Thanks,
>> Ketan
>>
>>
>> On Wed, Feb 5, 2014 at 3:53 PM, John Chilton <chil...@msi.umn.edu> wrote:
>>
>>> Galaxy has an API that is capable of running tools - certainly this is
>>> one path forward on something like this. I am not sure it is the best
>>> path forward though. Probably the best way to enhance Galaxy's
>>> execution capabilities is to extend the Galaxy core framework itself -
>>> this has its own downsides though.
>>>
>>> If you can offer more details about how you would like to enhance
>>> Galaxy - what it cannot do that you would like it to do - I or others
>>> may be able to provide more specific ideas. Otherwise, sorry I have
>>> not been or more help.
>>>
>>> -John
>>>
>>>
>>>
>>> On Tue, Feb 4, 2014 at 2:51 PM, Ketan Maheshwari <ke...@mcs.anl.gov>
>>> wrote:
>>> > Hi,
>>> >
>>> > This is a question I posted to galaxy user mailing list a while back
>>> and was
>>> > redirected to dev for possible answers:
>>> > Is it possible in Galaxy to design a tool whose sole purpose is to run
>>> other
>>> > tools. This is motivated by our desire to enhance execution
>>> capabilities of
>>> > existing tools via a generic tool which acts as a wrapper.
>>> >
>>> > Thanks,
>>> > Ketan
>>> >
>>> > ___________________________________________________________
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>>
>>
>>
>> --
>> Ketan
>>
>>
>> ___________________________________________________________
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>
>
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