Ruprecht-Karls-Universität Heidelberg


Research Associate / Ph.D. Candidate

Photo of Sarah Neuwirth              

Contact:

Sarah M. Neuwirth
Computer Architecture Group, Heidelberg University
Institute of Computer Engineering (ZITI)
Im Neuenheimer Feld 368 (5th floor)
69120 Heidelberg, Germany

Room: 505
E-Mail: sarah.neuwirth {at} ziti.uni-heidelberg.de
Tel: +49 (0)6221-54-16364

Research Interests:

  • High Performance Computing
    • Communication Protocols
    • Interconnection Networks
    • Parallel Distributed File Systems
  • Networking
    • Network-Attached Accelerators
    • Networking Protocols
    • RDMA
  • Operating Systems
    • Linux Device Driver Development and Optimization

Research Projects:

  • EXTOLL Network Communication Software Stack:
    • EXLND - Lustre over EXTOLL
    • AF_EXTOLL - Direct Sockets over EXTOLL
    • VPCI - Mapping PCIe-based Accelerators over EXTOLL
    • EXN - EXTOLL Network Device Driver
  • I/O Load Balancing in HPC Storage Systems (in collaboration with ORNL):
    • BPIO Library
    • Aequilibro - ADIOS-based load balancing framework
    • TAPP-IO Framework - Transparent I/O balancing framework utilizing function interpositioning
  • DEEP Project:
    • Booster - Network-Attached Intel Knights Corners

Teaching Experience:

  • WiSe18/19: Teaching Assistant, Parallel Computer Architecture
  • WiSe17/18: Teaching Assistant, Parallel Computer Architecture
  • SoSe17: Organization & student supervision, Seminar: "Computer Engineering"
  • WiSe16/17: Teaching Assistant, Parallel Computer Architecture
  • SoSe16: Organization & student supervision, Seminar: "Computer Engineering"
  • WiSe15/16: Teaching Assistant, Parallel Computer Architecture
  • SoSe15: Student supervision, Seminar: "Computer Engineering"
  • WiSe14/15: Teaching Assistant, Parallel Computer Architecture
  • WiSe14/15: Student supervision, Advanced Seminar: "Computer Engineering"
  • SoSe14: Organization & student supervision, Seminar: "Computer Engineering"
  • WiSe13/14: Teaching Assistant, Parallel Computer Architecture
  • SoSe13: Organization & student supervision, Seminar: "Computer Engineering"
  • Supervision of Master and Bachelor Theses

Publications:

Conference Contributions and Paperwork

  • Sarah Neuwirth, Tobias Groschup, Ulrich Bruening
    Extoll Lustre Network Driver: Overview and Preliminary Results
    Lustre Administrator and Developer Workshop 2018 (LAD'18), September 24-25, 2018, Paris, France.
  • Sarah Neuwirth and Tobias Groschup
    Evaluation of Lustre RDMA Performance over Extoll
    ISC High Performance Conference 2018 (ISC18), Exhibitor Forum, June 24-28, 2018, Frankfurt, Germany.
  • Sarah Neuwirth, Feiyi Wang, Sarp Oral, Ulrich Bruening
    Automatic and Transparent Resource Contention Mitigation for Improving Large-scale Parallel File System Performance
    23rd IEEE International Conference on Parallel and Distributed Systems (ICPADS 2017), Dec. 15-17, 2017, Shenzhen, China.
  • Sarah Neuwirth, Feiyi Wang, Sarp Oral, Ulrich Bruening
    An I/O Load Balancing Framework for Large-scale Applications (BPIO 2.0)
    Poster paper at International Conference for High Performance Computing, Networking, Storage and Analysis (SC16), Nov. 13-18, 2016, Salt Lake City, UT, USA.
  • Sarah Neuwirth, Mondrian Nuessle, Ulrich Bruening
    Alternative Low-latency Interconnect Options
    High Performance - Consortium for Advanced Scientific and Technical Computing User Group Meeting (HP-CAST 27), Nov. 11-12, 2016, Salt Lake City, UT, USA.
  • Sarah Neuwirth, Feiyi Wang, Sarp Oral, Sudharshan Vazhkudai, James Rogers, Ulrich Brüning
    Using Balanced Data Placement to Address I/O Contention in Production Environments
    28th International Symposium on Computer Architecture and High Performance Computing (SBAC-PAD 2016), Oct. 26-28, 2016, Los Angeles, CA, USA.
    - Best Paper Award -
  • Sarah Neuwirth, Dirk Frey, Ulrich Bruening
    Communication Models for Distributed Intel Xeon Phi Coprocessors
    21st IEEE International Conference on Parallel and Distributed Systems (ICPADS 2015), Dec. 14-17, 2015, Melbourne, Australia.
  • Sarah Neuwirth, Dirk Frey, Ulrich Bruening
    Network-Attached Accelerators: Host-independent Accelerators for Future HPC Systems
    Poster paper at International Conference for High Performance Computing, Networking, Storage and Analysis (SC15), Nov. 15-20, 2015, Austin, TX, USA.
  • Sarah Neuwirth, Ulrich Bruening, Mondrian Nuessle
    EXTOLL – Measurement with an Extreme Low-Latency Interconnect on HP Servers
    High Performance - Consortium for Advanced Scientific and Technical Computing User Group Meeting (HP-CAST 25), Nov. 13-14, 2015 Austin, TX, USA 2015.
  • Sarah Neuwirth, Sarp Oral, Feiyi Wang, Qing Liu, Sudharshan Vazhkudai
    Improving Large-scale Application Performance with ADIOS and BPIO
    Poster at Smoky Mountains Computational Sciences and Engineering Conference 2015, Aug. 31 - Sep. 2, 2015, Gatlinburg, TN, USA.
    - Best Poster Award -
  • Sarah Neuwirth, Dirk Frey, Mondrian Nüssle, Ulrich Brüning
    Scalable Communication Architecture for Network-Attached Accelerators
    21st IEEE International Symposium on High Performance Computer Architecture (HPCA 2015), Feb. 7-11, 2015, Bay Area, CA, USA. (acceptance rate: 21%, 51/231, ranking: core A*)

Diploma Thesis (comparable to Master Thesis)

  • Sarah Neuwirth
    Block Oriented Cache Layer for High Speed Flash
    Diploma thesis
    University of Mannheim, Jul. 2012.

 Bachelor Thesis

  • Sarah Neuwirth
    Methodik zur forensischen Analyse unbekannter Anwendungen
    Bachelor thesis
    University of Mannheim, Jul. 2010.

« back to Staff overview

back to top