14th IEEE-NPSS Real Time Conference, 2005.
The ALICE High Level Trigger combines and processes the full information from all major detectors in a large computer cluster. Data rate reduction is achieved by reducing the event rate by selecting interesting events (software trigger) and by reducing the event size by selecting sub-events and by advanced data compression. Reconstruction chains for the barrel detectors and the forward muon spectrometer have been benchmarked. The HLT receives a replica of the raw data via the standard ALICE DDLdoi:10.1109/rtc.2005.1547465 fatcat:sr5dwyz7ejdtxccy67xjmtlwea