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View article: The Design of an Intensified Process and Production Plant for Cosmetic Emulsions Using Amazonian Oils
The Design of an Intensified Process and Production Plant for Cosmetic Emulsions Using Amazonian Oils Open
The cosmetic industry in the Ecuadorian Amazon region faces the challenge of competitively integrating locally sourced plant-based raw materials into efficient and sustainable production processes. This study proposes the design of a pilot…
View article: OMS Data Aggregation and Management in the CMS Experiment
OMS Data Aggregation and Management in the CMS Experiment Open
The Online Monitoring System (OMS) at the Compact Muon Solenoid (CMS) experiment at CERN collects and combines various non-event data sources, allowing users to view, compare, and correlate real-time and historical information. The OMS dat…
View article: Evaluating a File-Based Event Builder to enhance the Data Acquisition in the CMS Experiment
Evaluating a File-Based Event Builder to enhance the Data Acquisition in the CMS Experiment Open
The event builder in the Data Acquisition System (DAQ) of the CMS experiment at the CERN Large Hadron Collider (LHC) is responsible for assembling events at a rate of 100 kHz during the current LHC run 3, and up to750 kHz for the upcoming …
View article: Experience with the alpaka performance portability library in the CMS software
Experience with the alpaka performance portability library in the CMS software Open
To achieve better computational efficiency and exploit a wider range of computing resources, the CMS software framework (CMSSW) has been extended to offload part of the physics reconstruction to NVIDIA GPUs. To support additional back-ends…
View article: Architecting software applications in containerized environment for CMS data acquisition
Architecting software applications in containerized environment for CMS data acquisition Open
The data acquisition (DAQ) system stands as an essential component within the CMS experiment at CERN. It relies on a large network system of computers with demanding requirements on control, monitoring, configuration and high throughput co…
View article: The CMS Orbit Builder for the HL-LHC at CERN
The CMS Orbit Builder for the HL-LHC at CERN Open
The Compact Muon Solenoid (CMS) experiment at CERN incorporates one of the highest throughput data acquisition systems in the world and is expected to increase its throughput by more than a factor of ten for High-Luminosity phase of Large …
View article: Evaluating Performance Portability with the CMS Heterogeneous Pixel Reconstruction code
Evaluating Performance Portability with the CMS Heterogeneous Pixel Reconstruction code Open
In the past years the landscape of tools for expressing parallel algorithms in a portable way across various compute accelerators has continued to evolve significantly. There are many technologies on the market that provide portability bet…
View article: First year of experience with the new operational monitoring tool for data taking in CMS during Run 3
First year of experience with the new operational monitoring tool for data taking in CMS during Run 3 Open
The Online Monitoring System (OMS) at the Compact Muon Solenoid experiment (CMS) at CERN aggregates and integrates different sources of information into a central place and allows users to view, compare and correlate information. It displa…
View article: Towards a container-based architecture for CMS data acquisition
Towards a container-based architecture for CMS data acquisition Open
The CMS data acquisition (DAQ) is implemented as a service-oriented architecture where DAQ applications, as well as general applications such as monitoring and error reporting, are run as self-contained services. The task of deployment and…
View article: MiniDAQ-3: Providing concurrent independent subdetector data-taking on CMS production DAQ resources
MiniDAQ-3: Providing concurrent independent subdetector data-taking on CMS production DAQ resources Open
The data acquisition (DAQ) of the Compact Muon Solenoid (CMS) experiment at CERN, collects data for events accepted by the Level-1 Trigger from the different detector systems and assembles them in an event builder prior to making them avai…
View article: Evaluating Performance Portability with the CMS Heterogeneous Pixel Reconstruction code
Evaluating Performance Portability with the CMS Heterogeneous Pixel Reconstruction code Open
\nIn the past years the landscape of tools for expressing parallel algorithms in a portable way across various compute accelerators has continued to evolve significantly. There are many technologies on the market that provide portability b…
View article: Progress in Design and Testing of the DAQ and Data-Flow Control for the Phase-2 Upgrade of the CMS Experiment
Progress in Design and Testing of the DAQ and Data-Flow Control for the Phase-2 Upgrade of the CMS Experiment Open
The CMS detector will undergo a major upgrade for the Phase-2 of theLHC program the High-Luminosity LHC. The upgraded CMS detector willbe read out at an unprecedented data rate exceeding50 Tb/s, with a Level-1 trigger selecting eventsat a …
View article: LHC Data Storage: Preparing for the Challenges of Run-3
LHC Data Storage: Preparing for the Challenges of Run-3 Open
The CERN IT Storage Group ensures the symbiotic development and operations of storage and data transfer services for all CERN physics data, in particular the data generated by the four LHC experiments (ALICE, ATLAS, CMS and LHCb). In order…
View article: CERN Tape Archive: a distributed, reliable and scalable scheduling system
CERN Tape Archive: a distributed, reliable and scalable scheduling system Open
The CERN Tape Archive (CTA) provides a tape backend to disk systems and, in conjunction with EOS, is managing the data of the LHC experiments at CERN. Magnetic tape storage offers the lowest cost per unit volume today, followed by hard dis…
View article: CERN Tape Archive: production status, migration from CASTOR and new features
CERN Tape Archive: production status, migration from CASTOR and new features Open
During 2019 and 2020, the CERN tape archive (CTA) will receive new data from LHC experiments and import existing data from CASTOR, which will be phased out for LHC experiments before Run 3. This contribution will present the statuses of CT…
View article: CERN Tape Archive — from development to production deployment
CERN Tape Archive — from development to production deployment Open
The first production version of the CERN Tape Archive (CTA) software is planned to be released during 2019. CTA is designed to replace CASTOR as the CERN tape archive solution, to face the scalability and performance challenges arriving wi…
View article: Data Center Environmental Sensor for safeguarding the CERN data archive
Data Center Environmental Sensor for safeguarding the CERN data archive Open
CERN has been archiving data on tapes in its Computer Center for decades and its archive system is now holding more than 135 PB of HEP data in its premises on high density tapes. For the last 20 years, tape areal bit density has been doubl…
View article: Tape SCSI monitoring and encryption at CERN
Tape SCSI monitoring and encryption at CERN Open
CERN currently manages the largest data archive in the HEP domain; over 180PB of custodial data is archived across 7 enterprise tape libraries containing more than 25,000 tapes and using over 100 tape drives. Archival storage at this scale…
View article: An efficient, modular and simple tape archiving solution for LHC Run-3
An efficient, modular and simple tape archiving solution for LHC Run-3 Open
The IT Storage group at CERN develops the software responsible for archiving to tape the custodial copy of the physics data generated by the LHC experiments. Physics run 3 will start in 2021 and will introduce two major challenges for whic…