GDS Software Status John Zweizig LIGO/Caltech LSC/Virgo DetChar Session Cambridge, July 25, 2007 LIGO-G070584-00-Z.

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Presentation transcript:

GDS Software Status John Zweizig LIGO/Caltech LSC/Virgo DetChar Session Cambridge, July 25, 2007 LIGO-G Z

Overview ● Current Status ● New version to be released July 2007 – Changes / Improvements ● Schedule

Online Status ● dmt installed on online systems with root and framecpp ● ~150 monitors + Support process running at LHO (91) and LLO (61) ● Running on 10 nodes (~33GHz) at LHO and 5 nodes (~15GHz) at LLO. ● Almost everything seems to be running stably – Little manual intervention. – FOMs, trends, Spi, etc running with no problems ● But – PlaneMon seems to be allergic to root-5.14 – Many accumulated fixes, changes – New functionality defined

FOMS!!!

Off-line Version (dol-0.4.1) ● dol – Rpms available ● built/tested by Adam Miller (UWM) ● 32/64-bit implementations ● Fedora Core 4 ● Installs into /opt/lscsoft/dol/ ● Links to lscsoft dependencies. – Available from daswg repository, see group.phys.uwm.edu/daswg/download/repositories.html for installation instructions. group.phys.uwm.edu/daswg/download/repositories.html – 32-bit and 64-bit versions installed (as appropriate) on LIGO clusters and gateway/development

Changes/Improvements ● Build scripts / dependencies – Optional LAL dependency ● T-domain calibration needed by StrainWatch – New root version: – New FrameCPP ● New compression methods ● Base library – Time constructor made “explicit” ● Can't user integer instead of time any more.

Changes II ● Heterodyning – TSeries::fShift() ● Calculates phase with complex 'phi *= delta' ● Fast, but lost precision ● complex -> complex – Mixer ● Recalculates phase for each sample with 'phi=fmod(phi+delta, twopi) ● Slow ● Use sincos(), avoid copies, scalar × complex

Changes III ● Containers – TSeries ● Fix heterodyning (see above) – DVector ● Specialize DVectC::mpy() – fSeries ● Base class for f-domain containers (DFT, PSD, CSD, ASD) ● Future replacements for FSeries, FSpectrum. ● More coherent i/f, fewer type limitations. ● Test only

Changes IV ● Monitors – PDnMon: Monitor to look for inconsistencies in redundant PD signals. – StrainWatch: Monitor t-domain calibration results (uses Xavi's LAL code).

Changes V ● SignalProcessing – Mixer ● Fix heterodyning (see above) – filter_delay ● New class to adjust start time of filter output Tseries (esp. FIR based filters). ● Service changes/bugs – Webview ● Fix memory leak (partially) ● Serve Spectra.

Changes VI ● Utilities: seg_calc – New segment manipulation utility ● Interpretive command based ● Fast! ● Could be back-end for GUI – Commands: ● Read file (arbitrary column format) ● Define new segment type (evaluate) ● Write ● Execute macro –

Upgrade Schedule ● Online – Version gds tagged – Dependencies installed at sites ● Lal-5.2, root , metaio, ● FrameCPP – configuration broken? – Finish installation, start testing this week ● Offline (dol) – Dol-4.3 tag will be based on gds – Framecpp rpm ready – Expect dol rpm in order 1 week