1. July 2002Frédéric Fleuret - LLR CCF : The French Computing Center Phenix @ CCF LLR @ Phenix @ CCF Software work at the French Computing Center (CCF) Phenix Collaboration Meeting Frédéric Fleuret LLR-Ecole Polytechnique

2. July 2002Frédéric Fleuret - LLR French Computing Center (IN2P3) The IN2P3 Computing Centre was created to meet the needs of these laboratories. This centre must be capable of making readily available a very large amount of data (several hundred terabytes) in a secure manner, distributed between disks and tapes managed by robots. Computing power must be rapidly extensible and data access must be as transparent as possible. The Institute IN2P3 computing center IN 2 P 3 =Institut National de Physique Nucleaire et de Physique des Particles = Institute of the CNRS (~26000 people, 12000 scientists)  American NSF ~ 3300 people, 1700 permanent scientists = 18 laboratories + 1 Computing Center (~45 people)

3. July 2002Frédéric Fleuret - LLR French Computing Center (IN2P3) Power : Linux Machines status (12/01) –PCIII Linux 12 machines 2 proc. / machine (500 MHz) Memory : 256 MB –PCIII Linux 96 machines 2 proc. / machine (750 MHz) Memory : 1024 MB –PCIII Linux 93 machines 2 proc. / machine (1000 MHz) Memory : 1024 MB Today 10,000 SpecInt95

4. July 2002Frédéric Fleuret - LLR French Computing Center (IN2P3) File Storage : –HPSS : 36000 Cartridges 6 Cartridge Mounting silos Capacity : 720 TB on line File Transfer : –BBFTP is a software designed to quickly transfer files accross a wide area network. It has been written for the babar experiment in order to transfer big files (more than 2 GigaBytes) between SLAC (California) and the In2p3 Computing Center (Lyon,France). 1.3 TB 7 TB 50 GB 36000 cartridges 400 cartridges

5. July 2002Frédéric Fleuret - LLR Phenix @ CCF HPSS storage status @ CCF (July 02) Phenix : low usage so far... GroupSpace (GB) TOTAL 162,239 Agape 373 Aleph 155 Alice 1,547 AMS 558 Archeops 156 Atlas 2,503 Babar 98,498 Clas 1,116 CMSF 2,472 D0 8,119 Delphi 0 Eros2,034 Heral 477 Indra 0 LHCb2,020 Nusol 367 Pauger 19,008 Phenix 205 Snovae 192 Virgo3,635

6. July 2002Frédéric Fleuret - LLR Phenix @ CCF HPSS Phenix Uses @ CCF : –Large storage capability (today, up to 50 TB for Phenix) –Low usage, so far... PHENIX @ CCF (200 GB) D0 @ CCF (8 TB) BaBar @ CCF (100 TB)

7. July 2002Frédéric Fleuret - LLR Phenix @ CCF Network traffic @ CCF : –IN (US  CCF) : 1.2 – 2.0 MB/secs. –OUT (CCF  US) : ~1.5 MB/secs. BNL  CCF (~1.2 MB/sec.) CCF  FNAL (~1.5 MB/sec.) SLAC  CCF (~2 MB/sec.)

8. July 2002Frédéric Fleuret - LLR LLR @ Phenix @ CCF The « guru » : Albert Romana Code implementation –Run complete simulation/reconstruction chain, both interactively and on batch @ CCF. Code development –Database for file storage @ CCF –Tutorials & script to run phenix code (run_phnx) –Start working on nanoDSTs for muons

9. July 2002Frédéric Fleuret - LLR LLR @ Phenix @ CCF HPSS database @ CCF (Albert Romana) Get information about files stored in HPSS Updated automatically when storing files in HPSS Accessible on the web Ready to store files (in HPSS) @ CCF

10. July 2002Frédéric Fleuret - LLR LLR @ Phenix @ CCF Tutorials (Raphaël Granier) –1 tutorial on Muon Reconstruction Code. –2 tutorials on Phenix Muon Software (based on Yajun Mao Tutorial). Tutorial to run Muon Software @ CCF Tutorial to run Muon Software @ RCF

11. July 2002Frédéric Fleuret - LLR LLR @ Phenix @ CCF run_phnx (Albert) –Run any of the PHENIX programs : genp (Pythia), genh (Hijing) pisa, resp reco, dst –Syntax : run_phnx genp 1000 –By default, uses the scripts, macros and files installed by Raphael in his tutorial. –Allows to execute programs either interactively or by batch. –Upgrade version : use java and create panels to run run_phnx.

12. July 2002Frédéric Fleuret - LLR LLR @ Phenix @ CCF Data Simulation : Hijing (Geun-Beom Kim) –Adapted to CCF –Ready to produce Hijing events @ CCF c************************************************ cPISA INPUT INTERFACE TO HIJING 1.35 (F77 Syntax) c************************************************ $hijing_inp nruns = 1000, elgev = 200.0, ref = 'CMS', chproj = 'A', chtarg = 'A', n1 = 197, iz1 = 79, n2 = 197, iz2 = 79, bmin = 0.0, bmax = 0.0, iseed = 1, iseed_skip = 0, jet_trigger = 0, pthard = 0.0, nthetamin=90.0, nthetamax=90.0, sthetamin=143.0, sthetamax=171.0, ppmin=0.0, $end Y+-Y+- M+-M+- Au-Au@200GeV/A

13. July 2002Frédéric Fleuret - LLR LLR @ Phenix @ CCF Data Simulation : Pythia (Frédéric) –adapted to CCF –Ready to produce Pythia events @ CCF !============= CONTROL DATA CARDS FOR PYTHIA INITIALIZATION ===========* ! 'MSEL=0' ! turn OFF global process selection 'MSTP(51)=5005' ! structure function for GRV LO94 'MSTP(52)=2' ! structure function for GRV LO94 'MSUB(86)=1' ! g+g -> J/psi+g turned ON 'MSUB(87)=1' ! g+g -> chi0_c+g turned ON 'MSUB(88)=1' ! g+g -> chi1_c+g turned ON 'MSUB(89)=1' ! g+g -> chi2_c+g turned ON 'MDME(721,1)=0' ! J/psi -> ee turned OFF 'MDME(722,1)=1' ! J/psi -> mumu turned ON 'MDME(723,1)=0' ! J/psi -> random turned OFF 'MRLU(1)=35476291' ! starting random number ! $pyth_par tnumevt = 100 sqrts = 200. $end ! !================ CONTROL DATA CARDS FOR GEOMETRICAL SELECTION =======* $nmlglo thmi_no = 9. thma_no = 37. no_on =.false. thmi_su = 143. thma_su = 171. su_on =.true. $end ! !================ CONTROL DATA FOR SIGNAL DESCRIPTION ================* $nmlsig isig1 = 443 iprod1 = 13 nprod1 = 1,1 isig2 = 443 iprod2 = -13 nprod2 = 1,1 mi = 0.,100. $end ! !================ CONTROL DATA CARDS FOR OUTPUTS SELECTION ===========* generated J/  dimuons reconstructed dimuons pp@200GeV

14. July 2002Frédéric Fleuret - LLR LLR @ Phenix @ CCF Data Reconstruction @ CCF : –PRDF  DSTs   DSTs : proof of principle (Raphaël) –  DST  muon nanoDSTs (Geun-Beom & Frédéric) copied 4600  DSTs segments from RHIC disks –1 one MuID road events (filtered by Atsushi Taketani) Used bbftp  able to transfer directly to HPSS-CCF Produce nanoDSTs output merge nanoDST ~ 200 MB ~ 370 000 events total (~35000 with  2 muons)

15. July 2002Frédéric Fleuret - LLR LLR @ Phenix @ CCF Data Reconstruction @ CCF : –  DST  muon nanoDSTs (Geun-Beom & Frédéric) Selection cuts : –2  ntracks  4 events (90% of the entire stat) –-38 cm < event Z vertex < 38cm –track P T > 1 GeV. –Ready to reconstruct data @ CCF QM Poster (Hiroki Sato) Red : Opposite Sign Blue : Like Sign (0.27 GeV)

16. July 2002Frédéric Fleuret - LLR Conclusion : we have done … –File transfer –Tutorials for using muon code @ CCF & RCF –Simulations –Reconstruction –First nanoDSTs pass for muons Software work at the French Computing Center (CCF) Phenix Collaboration Meeting Frédéric Fleuret LLR-Ecole Polytechnique

17. July 2002Frédéric Fleuret - LLR Prospects –Ready to help producing nDSTs, uDSTs, DSTs… –Ready to help producing Monte Carlo data for signal and background analysis. –More work on muon analysis. Software work at the French Computing Center (CCF) Phenix Collaboration Meeting Frédéric Fleuret LLR-Ecole Polytechnique