1. Center for Research Computing at Notre Dame Jarek Nabrzyski, Director naber@nd.edu

2. What is Research Computing at Notre Dame? HTC and HPC (traditional) –25,000 cores –used by 1,700 users –supported by 10 HPC engineers and user support staff Cyberinfrastructure development –10-20 CI projects each year with 30-40 collaborators –supported by 20 research programmers, 10 computational scientists, a few HPC engineers, and a bunch of grad students and undergraduate interns

3. Who are our collaborators at ND? Faculty from 87% of ND Departments, Centers and Institutes HPC/HTC stable, CI Dev – dramatic growth (figure below shows collaborations with faculty)

4. HPC Group Charter – Core Services 1.High Performance Computing (HPC) 2.High Throughput Computing (HTC) 3.Networking: Individual Clusters, CRC Data Center, CRC to Campus, National/International 4.User Education and Training 5.Storage (High Performance, Persistent User Space, Backup) 6.Software Application Installation/Operation 7.Access/Interface to Multi Institutional Research Grids: XSEDE and OSG 8.Cloud/Virtualization Services 9.System Design/Specification/Acquisition/Installation 10.Security/Monitoring * Provide dedicated system administration recharge services

5. Policies Resource Allocation Policy – Free (fair share) and Fee (custom/dedicated) Faculty Cluster Partnership Program Storage Policy – Over 3 Petabytes housed at the CRC AFS, NFS, Panasas, Hadoop, Chirp – 4TB of Persistent Data per Group (no cost) Software Policy Virtual Machine Services Policy CRC policies are available at: https://crc.nd.edu/index.php/services/policies https://crc.nd.edu/index.php/services/policies

6. Challenges HPC is only one of many components –A majority of workloads lean toward HTC –Submissions range from 10,000 single core to 2,000 HPC Software Expertise –Matlab, Mathematica and R dominate user survey –Custom and third party software dev/profiling/parallel expertise req Heterogeneity –CPU/GPU, Filesystems (data storage), Software Data Storage, Transit and Archive –Users expect Dropbox Simplicity & Google Drive Pricing Setting User Expectation and Balancing Support Requests