ATLAS HLT/DAQ Progress report

ATLAS HLT/DAQATLAS HLT/DAQProgress reportProgress report

V. Vercesi on behalf of the ATLAS Italia HLT/DAQ GroupV. Vercesi on behalf of the ATLAS Italia HLT/DAQ Group

Maggio 2007Maggio 2007

CSN1 Maggio 2007 Valerio Vercesi - INFN Pavia 2

Event data pulled:partial events @ ≤ 100 kHz, full events @ ~ 3.5 kHz


Even

t d

ata

req

uest

sD

ele

te c

om

man

ds

Gig

ab

it E

thern

et

Req

uest

ed

even

t d

ata

pROS

stores LVL2output

LVL2 farm

Network switches

Second-leveltrigger

SDX1

USA15

UX15

ATLASdetector

Read-Out

Drivers(RODs) First-

leveltrigger

Read-OutSubsystems

(ROSs)

Dedicated links

Timing Trigger Control (TTC)

1600Read-OutLinks

VME~150PCs

Data of events acceptedby first-level trigger

Event data pushed @ ≤ 100 kHz, 1600 fragments of ~ 1 kByte each

RoIBuilder

EventFilter(EF)

Network switches

DataFlowManager

EventBuilder

SubFarmInputs

(SFIs)

~1600 5 ~100

multi-CPU nodes

~ 500 Event rate ~ 200 Hz

LocalStorage

SubFarmOutputs

(SFOs)

CERN computer centre

DataStorage

Reg

ion

s O

f In

tere

st

LVL2Super-visor

TDAQ in ATLAS site TDAQ in ATLAS site

Executive summaryExecutive summary


Valerio Vercesi - INFN Pavia 5

Moreover Fully equipped RoI Builder (+ 1 at bldg 32) All network switches & cables needed in 2007 IPMI control

Hardware 2007Hardware 2007

CSN1 Maggio 2007

Hardware 2007 notesHardware 2007 notes


Infrastructure in SDXInfrastructure in SDX


SDX Level 1 Layout

Row 6 EF EF EF EF EF EF

Row 4 EF EF EF EF EF EF LVL2' L2SV' Switch'

Row 2 EF EF EF EF EF' EFIO' Online'

Rack Number 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Select which year

SDX Level 2 Layout

Row 6 EF/L2 EF/L2 EF/L2 EF/L2 EF/L2 EF/L2 EF/L2 EF/L2 NWbb NWbb T DCS cDCS DSS PP PP

Row 4 EF/L2 LVL2 LVL2 LVL2 LVL2 LVL2 LVL2 LVL2 LVL2 LVL2

Row 2 EF/L2 EF/L2 SFO SFO DC SFI SFIBackend switch rackDC switch rackDC switch rackOnline switch rackOnline Online Online Online

Rack Number 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

16 Racks

Landing 350daN/m2

Landing 350daN/m2

Land

ing

350d

aN/m

2

doo

door

Ven

tilat

ion

duct

(on

the

flor)

water pipes

Shaft PX15Cable Tray USA15

door

Racks enter via this door

17 Racks

18 Racks

Crinoline Ladder

FRONTs

FRONTs

BACKs

100 cm

80-100 cm

70-90 cm

63 cm (taking into account the cooler)

The lower distance is due to structuralbeams or ventillation flaps and and applies to ~5 racks.

The lower limit is due to the powerdistribution boxes and will affectmost of the racks.

AIR FLOW

20052006200720082009

Landing 350daN/m2

Flap Trap

Ven

tilat

ion

duct

(on

the

flor)

water pipes

door

Racks enter via this door

13 Racks

18 Racks

2 Racks

17 Racks

AIR FLOW 63 cm (taking into account the cooler)

74-90 cm

100 cm

80-100 cm

FRONTs

BACKs

FRONT

e-box e-box e-box

e-box e-box e-box

Read Out System (USA15)Read Out System (USA15)


SFI, DFM and friendsSFI, DFM and friends


Installing HLT racks…Installing HLT racks…


Ancient monuments were built without cranes…

HLT racksHLT racks


Next stepsNext steps


Event BuilderEvent Builder

CSN1 Maggio 2007 Valerio Vercesi - INFN Pavia

Read-OutSubsystems

(ROSs)

DFMSwitches

EventBuilder

(SFIs)

Local Disk CASTOR

13

MonitoringMonitoring


Counting Room DesksCounting Room Desks

CSN1 Maggio 2007 15Valerio Vercesi - INFN Pavia

Large Scale TestsLarge Scale Tests


Technical run March 2007Technical run March 2007


Valerio Vercesi - INFN Pavia 18

It’s fun…It’s fun…

CSN1 Maggio 2007

Online trigger menuOnline trigger menu

19

Egamma Jet Muon Tau Bphysics MET

LVL1 EM01

—7 GeV thr—

JT15

—15 GeV thr—

MU06

—6 GeV thr—

HA08

—8 GeV thr—

JT04

—4 GeV thr—

MU06

HA05

—5 GeV thr—

L2

e10 signature

1. Find cluster

2. Find track

3. Match

g10 signature

1. Find cluster

jet20signature

1. Sum Et of cells in cone

mu6signature

1. Find track in muon

2. Find tracks in ID

3. Match tracks

tau10

signature

1. Find had cluster

2. Find tracks

3. Match

BsDsPhiPi

Bmu6mu6dummy

algorithm

EF

e10 signature

1. Find cluster

2. Find track

3. Match

g10 signature

1. Find cluster

jet20 signature

1. Find clusters

2. Sum Et of

clusters in cone

mu6Signature

1. Find track in muon

tau10 signature

1. Find had cluster

2. Find tracks

3. Match

BsDsPhiPiMET10


Timing: LVL2 CaloTiming: LVL2 Calo

20

Photon run 2373

mean 6.6 ms/RoI

Electron run 2515mean 8.0 ms

Egamma run 2309mean 7.4 ms

Combined run 2368mean 6.9 ms


Online and offline: egamma EFOnline and offline: egamma EF


Online AthenaPT

Pt=7.0 8.25

E=43.18 43.70

TrigEgammaRec

TrigEFTrackHypo TrigEFTrackHypo

Pt=6.9 8.1

E=43.63 42.38

TrigEgammaRec

More plotsMore plots


SiTrack pT

MuFast residuals

E/p

1/pT

Technical run next weekTechnical run next week


23

M T W Th F

Morning9am-1pm

Infrastructure tests

LVL2 + EB tests EF tests other HLT slices Database tests

Afternoon1pm-5pm

ROIB integration+Tests

EB tests combined systemother HLT slices

/ cosmic Database tests

Evening5pm-8pm

LVL2 tests EB+EF tests combined systemreserved / cosmic

cosmic slice

Long-Run run with SFI run with SFO, writing to disk

run with SFO, writing to castor

BBQ run with SFO,

writing to castor

Physics Trigger MenusPhysics Trigger Menus


Trigger Aware AnalysisTrigger Aware Analysis



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ATLAS HLT/DAQ Progress report

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