In Nextflow, Does a process with a channel.fromPath is parallelized?










0















I have a process in Nextflow with multiple input file from a Channel.FromPath().



Here my script:



params.queries = ""
queries = Channel.fromPath(params.queries) #path to multiple .fasta files

process PsiBlast

input:
file query from queries_psiblast

output:
file top_hits

"""
blastpgp -d $db -i $query -j 2 -C ff.chd.ckp -Q pssm.out >> top_hits
"""


#then there are others processes, not needed for my question.


What I want to know is if my process is parallelized? If it run on 2 files at the same time for example? Or do I need to specify it in my script?



I read the doc, but it's not specify. And I don't know how to test that.










share|improve this question


























    0















    I have a process in Nextflow with multiple input file from a Channel.FromPath().



    Here my script:



    params.queries = ""
    queries = Channel.fromPath(params.queries) #path to multiple .fasta files

    process PsiBlast

    input:
    file query from queries_psiblast

    output:
    file top_hits

    """
    blastpgp -d $db -i $query -j 2 -C ff.chd.ckp -Q pssm.out >> top_hits
    """


    #then there are others processes, not needed for my question.


    What I want to know is if my process is parallelized? If it run on 2 files at the same time for example? Or do I need to specify it in my script?



    I read the doc, but it's not specify. And I don't know how to test that.










    share|improve this question
























      0












      0








      0








      I have a process in Nextflow with multiple input file from a Channel.FromPath().



      Here my script:



      params.queries = ""
      queries = Channel.fromPath(params.queries) #path to multiple .fasta files

      process PsiBlast

      input:
      file query from queries_psiblast

      output:
      file top_hits

      """
      blastpgp -d $db -i $query -j 2 -C ff.chd.ckp -Q pssm.out >> top_hits
      """


      #then there are others processes, not needed for my question.


      What I want to know is if my process is parallelized? If it run on 2 files at the same time for example? Or do I need to specify it in my script?



      I read the doc, but it's not specify. And I don't know how to test that.










      share|improve this question














      I have a process in Nextflow with multiple input file from a Channel.FromPath().



      Here my script:



      params.queries = ""
      queries = Channel.fromPath(params.queries) #path to multiple .fasta files

      process PsiBlast

      input:
      file query from queries_psiblast

      output:
      file top_hits

      """
      blastpgp -d $db -i $query -j 2 -C ff.chd.ckp -Q pssm.out >> top_hits
      """


      #then there are others processes, not needed for my question.


      What I want to know is if my process is parallelized? If it run on 2 files at the same time for example? Or do I need to specify it in my script?



      I read the doc, but it's not specify. And I don't know how to test that.







      nextflow






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Nov 13 '18 at 22:02









      Adam BellaïcheAdam Bellaïche

      105




      105






















          1 Answer
          1






          active

          oldest

          votes


















          0














          Yes, Nextflow processes are implicitly parallelised provided there's are enough cpus/mem to fulfil the parallel execution.






          share|improve this answer






















            Your Answer






            StackExchange.ifUsing("editor", function ()
            StackExchange.using("externalEditor", function ()
            StackExchange.using("snippets", function ()
            StackExchange.snippets.init();
            );
            );
            , "code-snippets");

            StackExchange.ready(function()
            var channelOptions =
            tags: "".split(" "),
            id: "1"
            ;
            initTagRenderer("".split(" "), "".split(" "), channelOptions);

            StackExchange.using("externalEditor", function()
            // Have to fire editor after snippets, if snippets enabled
            if (StackExchange.settings.snippets.snippetsEnabled)
            StackExchange.using("snippets", function()
            createEditor();
            );

            else
            createEditor();

            );

            function createEditor()
            StackExchange.prepareEditor(
            heartbeatType: 'answer',
            autoActivateHeartbeat: false,
            convertImagesToLinks: true,
            noModals: true,
            showLowRepImageUploadWarning: true,
            reputationToPostImages: 10,
            bindNavPrevention: true,
            postfix: "",
            imageUploader:
            brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
            contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
            allowUrls: true
            ,
            onDemand: true,
            discardSelector: ".discard-answer"
            ,immediatelyShowMarkdownHelp:true
            );



            );













            draft saved

            draft discarded


















            StackExchange.ready(
            function ()
            StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53290181%2fin-nextflow-does-a-process-with-a-channel-frompath-is-parallelized%23new-answer', 'question_page');

            );

            Post as a guest















            Required, but never shown

























            1 Answer
            1






            active

            oldest

            votes








            1 Answer
            1






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            0














            Yes, Nextflow processes are implicitly parallelised provided there's are enough cpus/mem to fulfil the parallel execution.






            share|improve this answer



























              0














              Yes, Nextflow processes are implicitly parallelised provided there's are enough cpus/mem to fulfil the parallel execution.






              share|improve this answer

























                0












                0








                0







                Yes, Nextflow processes are implicitly parallelised provided there's are enough cpus/mem to fulfil the parallel execution.






                share|improve this answer













                Yes, Nextflow processes are implicitly parallelised provided there's are enough cpus/mem to fulfil the parallel execution.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Nov 14 '18 at 9:26









                pditommasopditommaso

                1,04021429




                1,04021429



























                    draft saved

                    draft discarded
















































                    Thanks for contributing an answer to Stack Overflow!


                    • Please be sure to answer the question. Provide details and share your research!

                    But avoid


                    • Asking for help, clarification, or responding to other answers.

                    • Making statements based on opinion; back them up with references or personal experience.

                    To learn more, see our tips on writing great answers.




                    draft saved


                    draft discarded














                    StackExchange.ready(
                    function ()
                    StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53290181%2fin-nextflow-does-a-process-with-a-channel-frompath-is-parallelized%23new-answer', 'question_page');

                    );

                    Post as a guest















                    Required, but never shown





















































                    Required, but never shown














                    Required, but never shown












                    Required, but never shown







                    Required, but never shown

































                    Required, but never shown














                    Required, but never shown












                    Required, but never shown







                    Required, but never shown







                    Popular posts from this blog

                    Top Tejano songwriter Luis Silva dead of heart attack at 64

                    ReactJS Fetched API data displays live - need Data displayed static

                    Evgeni Malkin