Performance Comparison of OpenMP, MPI, and MapReduce in Practical Problems

Algorithm 5

OpenMP pseudocode for the join problem.

OMP_JOIN_PAGE(char^* koFile, char^* enFile, char^* outFile)

  of threads

  size of English Wikipedia file to be read at a time

  of blocks in English Wikipedia file, enFile

  size of Korean Wikipedia file to be read at a time

  of blocks in Korean Wikipedia file, koFile

 for to eN

  th block of enFile

  for to

   th block of koFile

   parallel-start

     of thread

    for to

     text eBlock.nextLine()

     title searchTitle(text)

     url searchUrl(text)

     foreach text   kBlock

      content searchContent(text)

      koUrl searchUrl(text)

      wordList

      foreach word wordList do

       if isMatched(word, title) then

        enUrl url

       else

       if enUrl

        write(title, koUrl, word, enUrl)

   parallel-end