LSC Data Analysis Software Working Groups

Date:           Sat 14 Feb 2004 10:15:39 AM CST
From:           Patrick Brady
To:             Jolien Creighton,  Alberto Vecchio (chair),  Julien Sylvestre
                and Igor Yakushin.
Subject:        LAL as software tool for LSC data analyses?

As we get the DASWG moving forward on outstanding software issues,
I would like the four of you to produce a brief (2-page) report on
LAL/LALApps as tools for large scale analysis of LSC data.  In preparing
the report, I would ask that you consider the following issues:

        1)  Accessibility of LAL/LALApps to the LSC.
        
        2)  Platform and other support.

        3)  Possibility to hook libraries (e.g. gsl, metaio, etc) into
        LAL/LALApps to leverage existing code base.

        4)  How version control,  documentation, testing and validation are
        (not?) being handled.

        5)  Should the LAL specification be simplified?
        Are there particular aspects that were originally born of the
        marriage between LDAS and LAL which should be revised?
        
I imagine that the LSC might require that all codes which are specific
to gravitational-wave searches (e.g. injection routines,  calibration
routines, waveform generators, etc) would be in LAL and would be
called in other tools like DMT and LALApps.    Please comment on this
possibility in your report.

Your report will be brought to the DASWG for discussion.  After the
broader discussion,  we will bring a recommendation to the executive
committee for adoption at the March LSC meeting.   

Whatever the outcome of discussions within the DASWG,  I plan to
reconsider all questions relating to software starting in early 2005
when I hope we can start strategic planning for Advanced LIGO data
analysis.

Thanks,
Patrick

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