Counts NGS read alignments against GTF annotations in a multithreaded and scalable fashion.

Benchmark: 8 core 1M annotations for 2Gb sorted reads ~30 seconds compared to ~28 minutes for bedtools multicov.

Files include:
fast_count_multi - reports all counts and RPKM, multithreading support
fast_count_deseq - reports gene counts in deseq compatible format, multithreading support
fast_count - reports all counts with no multithreading support.

usage

./fast_count_multi num_threads gtf_file bam_file(s) > output

Requires bamtools API library at run time, and c++0x for compile.

git clone https://github.com/pezmaster31/bamtools
cd bamtools
mkdir build
cd build
cmake ..
make
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:path to/lib
g++ -I bamtools/include/ -L bamtools/lib/ -o fast_count_multi fast_count_multi.cpp -lz -lbamtools -fpermissive -pthread -std=c++0x

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Additional Project Details

Operating Systems

Cygwin, Linux, Mac

Intended Audience

Science/Research

Programming Language

C++

Related Categories

C++ Molecular Science Software, C++ Bio-Informatics Software, C++ Test and Measurement Software

Registered

2015-12-04