Run 2 at Fermilab began in March,2001,CDF will collect data at a maximum rate of 20 MByte/sec during the run.The offline reconstruction of this data must keep up with the data taking rate.This reconstruction occurs on...Run 2 at Fermilab began in March,2001,CDF will collect data at a maximum rate of 20 MByte/sec during the run.The offline reconstruction of this data must keep up with the data taking rate.This reconstruction occurs on a large PC farm,which must have the capacity for quasi-real time data reconstruction,for reprocessing of some data and for generation and processing of Monte Carlo samples.In this paer we will give the design requirements ofr the farm,describe the hardware and software design used to meet those requirements,describe the early experiences with Run 2 data processing,and discussfuture prospects for the farm,including some ideas about Run 2b processing.展开更多
Digitization from GEANT tracking requires a predictable sequence of steps to produce raw simulated detector readout information.We have developed a software framework that simplifies the development and integration of...Digitization from GEANT tracking requires a predictable sequence of steps to produce raw simulated detector readout information.We have developed a software framework that simplifies the development and integration of digitizers by separating the coordination activities(sequencing and dispatching)from the actual digitization process.This separation allows the developers of digitizers to concentrate on digitization.The framework provides the sequencing infrastructure and a digitizer model,which means that all digitizers are required to follow the same sequencing rules and provide an interface that fits the model.展开更多
文摘Run 2 at Fermilab began in March,2001,CDF will collect data at a maximum rate of 20 MByte/sec during the run.The offline reconstruction of this data must keep up with the data taking rate.This reconstruction occurs on a large PC farm,which must have the capacity for quasi-real time data reconstruction,for reprocessing of some data and for generation and processing of Monte Carlo samples.In this paer we will give the design requirements ofr the farm,describe the hardware and software design used to meet those requirements,describe the early experiences with Run 2 data processing,and discussfuture prospects for the farm,including some ideas about Run 2b processing.
文摘Digitization from GEANT tracking requires a predictable sequence of steps to produce raw simulated detector readout information.We have developed a software framework that simplifies the development and integration of digitizers by separating the coordination activities(sequencing and dispatching)from the actual digitization process.This separation allows the developers of digitizers to concentrate on digitization.The framework provides the sequencing infrastructure and a digitizer model,which means that all digitizers are required to follow the same sequencing rules and provide an interface that fits the model.
