Seqanswers Leaderboard Ad

Collapse

Announcement

Collapse
No announcement yet.
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • MosaikAligner: Low reads/sec

    I recently decided on using the Mosaik tools as they support Sanger-sequenced data. However, when I run MosaikAligner on a relatively small query set (1.9MB with 1000 sequences) on a cluster with 48 cores, I have a problem with the number of reads per second processed. When MosaikAligner starts out, I have a read rate of 15 reads/sec but this number continuously drops to below .1 reads/sec at which rate even such a small subset of my reads will take over an hour to align. I tested the aligner first using only a 10 sequence query file from the same data set and the alignment was almost instantaneous. Has anyone else used the Mosaik tools and experienced similar problems?

  • #2
    I should mention I'm using these parameters:
    -bw 51 -hs 15 -m all -p 48 -mmp .2 -dh
    and using a jump database for the reference genome.

    Comment


    • #3
      I want to use Mosaik API but when i execute make command in c++ or perl it give error like MosaikAlignment.h:441: error: ‘uint64_t’ does not name a type
      MosaikAlignment.h:442: error: ‘uint64_t’ does not name a type
      MosaikAlignment.h:444: error: ‘uint64_t’ does not name a type
      MosaikAlignment.h:495: error: ‘uint64_t’ does not name a type
      MosaikAlignment.h:497: error: ‘uint64_t’ does not name a type
      MosaikAlignment.h:527: error: ‘uint64_t’ does not name a type
      MosaikAlignment.h:528: error: ‘uint64_t’ does not name a type
      MosaikAlignment.h:579: error: ‘uint64_t’ does not name a type
      MosaikAlignment.h:582: error: ‘uint64_t’ does not name a type
      MosaikAlignment.h:584: error: ‘uint64_t’ does not name a type
      MosaikAlignment.h:585: error: ‘uint64_t’ does not name a type
      make: *** [MosaikConversionMain.o] Error 1
      so any body can help me how i can use API for c++ or perl.

      Comment


      • #4
        shahid.manzoor, you should start a new thread with your question instead of adding to threads regarding other topics...

        Anyway, back to bre's question. I have the exact same problem. I have Illumina 76-mers from exome-capture experments and aligning 1M reads to chr 21 of hg19 using the parameters

        Code:
        -mm 12 -act 35 -p 6 -bw 29
        on my 8-core, 108Gb machine. The alignment is roughly 15reads/sec initally but slowly falling to <1 read/sec. I'm not using a jump database for this.

        Anyone else seen and/or solved this?

        Thanks
        Daniel

        Comment


        • #5
          Ultimately I decided Mosaik wasn't suited to my needs so unfortunately I can't give you a solution...

          Comment

          Latest Articles

          Collapse

          • seqadmin
            Recent Advances in Sequencing Analysis Tools
            by seqadmin


            The sequencing world is rapidly changing due to declining costs, enhanced accuracies, and the advent of newer, cutting-edge instruments. Equally important to these developments are improvements in sequencing analysis, a process that converts vast amounts of raw data into a comprehensible and meaningful form. This complex task requires expertise and the right analysis tools. In this article, we highlight the progress and innovation in sequencing analysis by reviewing several of the...
            05-06-2024, 07:48 AM
          • seqadmin
            Essential Discoveries and Tools in Epitranscriptomics
            by seqadmin




            The field of epigenetics has traditionally concentrated more on DNA and how changes like methylation and phosphorylation of histones impact gene expression and regulation. However, our increased understanding of RNA modifications and their importance in cellular processes has led to a rise in epitranscriptomics research. “Epitranscriptomics brings together the concepts of epigenetics and gene expression,” explained Adrien Leger, PhD, Principal Research Scientist...
            04-22-2024, 07:01 AM

          ad_right_rmr

          Collapse

          News

          Collapse

          Topics Statistics Last Post
          Started by seqadmin, Today, 02:46 PM
          0 responses
          10 views
          0 likes
          Last Post seqadmin  
          Started by seqadmin, 05-07-2024, 06:57 AM
          0 responses
          13 views
          0 likes
          Last Post seqadmin  
          Started by seqadmin, 05-06-2024, 07:17 AM
          0 responses
          16 views
          0 likes
          Last Post seqadmin  
          Started by seqadmin, 05-02-2024, 08:06 AM
          0 responses
          23 views
          0 likes
          Last Post seqadmin  
          Working...
          X