Nikolaos Chrysos - Publications

Book chapters

N. Chrysos, J. Hofrichter, F. Horst, B. Offrein, C. Minkenberg, "All-Optical Networks: A System's Perspective", Optical Interconnects for Future Data Center Networks, C. Kachris, K. Bergman, I. Tomkos (editors), pp. 95-117, 2013, Springer.

Journals

M. Katevenis et. al "Next generation of Exascale-class systems: ExaNeSt project and the status of its interconnect and storage development", Microprocessors and Microsystems; Vol. 61; pp. 58-71; Sep. 2018

E. Kanellou, N. Chrysos, A. Bilas "A Flexible Datacenter Simulator" Procedia Computer Science, 136, 72-81, Elsevier

K. Paraskevas, N. Chrysos, V. Papaefstathiou, P. Xirouchakis, P. Peristerakis, M. Giannioudis, M. Katevenis, "
Virtualized Multi-Channel RDMA with Software-Defined Scheduling". Procedia Computer Science, 36, 82-90, Elsevier. N. Chrysos, F. Neeser, M. Gusat, C. Minkenberg, W. Denzel, C. Basso, M. Rudquist, K. Valk, B. Vanderpool "Large Switches or Blocking Multi-Stage Networks? An Evaluation of Routing Strategies for Datacenter Fabrics", Computer Networks, Elsevier, to appear

N. Chrysos, F. Neeser, R. Clauberg, D. Crisan, K. Valk, C. Basso, C. Minkenberg, M. Gusat, "Unbiased QCN for Scalable Server-Rack Fabrics", IEEE Micro, to appear paper

N. Chrysos, L. Chen, C. Kachris, M. Katevenis, "Discharging the Network from its Flow Control Headaches: Packet Drops and HOL Blocking", IEEE/ACM ToN, to appear paper

N. Chrysos, F. Neeser, M. Gusat, R. Clauberg, C. Minkenberg, C. Basso, and K. Valk, "Tandem Queue Weighted Fair Smooth Scheduling", Design Automation for Embedded Systems, pp. 1-15, March 2014, DOI: 10.1007/s10617-014-9132-y

N. Chrysos, M. Katevenis, "Distributed WFQ Scheduling Converging to Weighted Max-Min Fairness", Computer Networks (Elsevier), vol. 55, no. 3, pp. 792-806, 2011

N. Chrysos, G. Dimitrakopoulos, "Practical High-Throughput Crossbar Scheduling", IEEE Micro, vol.29, no. 4, July-August 2009, DOI: 10.1109/MM.2009.71

I. Iliadis, N. Chrysos, C. Minkenberg, "Performance Evaluation of the Data Vortex Photonic Switch" IEEE Journal on Selected Areas in Communications, vo. 25, no. 6, 2007

Conferences

E. Mageiropoulos, N. Chrysos, N. Dimou and M. Katevenis, "Using hls4ml to Map Convolutional Neural Networks on Interconnected FPGA Devices", in IEEE Annual International Symposium on Field- Programmable Custom Computing Machines (FCCM), Orlando, FL, USA, 2021 pp. 277-277 (short paper)

M. Ploumidis, et al.: "Software and Hardware co-design for low-power HPC platforms", in International Conference on High Performance Computing, June 2020

A. Psistakis, et al., "PART: Pinning Avoidance in RDMA Technologies", in 14th IEEE/ACM International Symposium on Networks-on-Chip (NOCS), Sept. 2020

M. Pavlidakis, S. Mavridis, N. Chrysos, A. Bilas: "TReM: A Task Revocation Mechanism for GPUs", IEEE Int. Conference on High Performance Computing and Communications (HPCC), Dec. 2020

D. Giannopoulos, N. Chrysos, E. Mageiropoulos, G. Vardas, L. Tzanakis, M. Katevenis: "Accurate Congestion Control for RDMA Transfers", 12th IEEE/ACM International Symposium on Networks-on- Chip (NOCS 2018) Oct. 2018

E. Kanellou, N. Chrysos, S. Mavridis, Y. Sfakianakis, A. Bilas: "GPU Provisioning: The 80 - 20 Rule", Proceedings of the 24th International European Conference on Parallel and Distributed Computing (EuroPar 2018), Turin, Italy, 27-31 August, 2018

M. Katevenis, N. Chrysos, M. Marazakis et al. "The ExaNeSt Project: Interconnects, Storage, and Packaging for Exascale Systems", to appear in Proceedings of Euromicro Conference on Digital System Design (DSD), Aug. 31 - Sept. 2, Limassol, Cyprus paper

A. Psathakis, V. Papaefstathiou, N. Chrysos, F. Chaix, V. Vassilakis, D. Pnevmatikatos, M. Katevenis"A Systematic Evaluation of Emerging Mesh-like CMP NoCs", IEEE/ACM Symposium on Architectures for Networking and Communications Systems (ANCS), CA, May 2015

N. Chrysos, C. Minkenberg, M. Rudquist, C. Basso, B Vanderpool, "SCOC: High-Radix Crossbars Made Of Bufferless Clos Networks", IEEE Symposium on High Performance Computer Architecture (HPCA), CA, Feb. 2015 paper

N. Chrysos, F. Neeser, B. Vanderpool, M. Rudquist, K. Valk, T. Greenfield, C. Basso, "Integration and QoS of Multicast Traffic in a Server-Rack Fabric with 640 100G Ports", IEEE/ACM Symposium on Architectures for Networking and Communications Systems (ANCS), Los Angeles, Oct. 2014 paper

N. Chrysos, F. Neeser, R. Clauberg, D. Crisan, K. Valk, C. Basso, C. Minkenberg, M. Gusat, "Unbiased QCN for Scalable Server-Rack Fabrics," IBM Technical Report, RZ3880, Sept. 2014

D. Crisan, R. Birke, N. Chrysos, C. Minkenberg, M. Gusat, "zFabric: How to Virtualize Lossless Ethernet", IEEE International Conference on Cluster Computing (CLUSTER), Madrid, Spain, Sept. 2014

N. Chrysos, M. Gusat, F. Neeser, C. Minkenberg, C. Basso, K. Valk, "High Performance Multipath Routing for Datacenters" IEEE High Performance Switching and Routing (HPSR), 2014

N. Chrysos, F. Neeser, M. Gusat, C. Minkenberg, W. Denzel, and C. Basso, "All Routes to Efficient Datacenter Fabrics", International Workshop on Interconnection Network Architecture: On-Chip, Multi-Chip (INA-OCMC) ACM, Vienna, 2014

D. Crisan, R. Birke, N. Chrysos, M. Gusat, "How Elastic Is Your Virtualized Datacenter Fabric?", Interconnection Network Architecture: On-Chip, Multi-Chip ACM, Berlin, Jan. 2013

N. Chrysos, F. Neeser, M. Gusat, R. Clauberg, C. Minkenberg, C. Basso, K. Valk, "Arbitration of Many Thousand Flows at 100G and Beyond". Interconnection Network Architecture: On-Chip, Multi-Chip (INA-OCMC), ACM, Berlin, Jan. 2013

F. Neeser, N. Chrysos, R. Clauberg, D. Crisan, M. Gusat, C. Minkenberg, K. Valk, C. Basso, "Occupancy Sampling For Terabit CEE Switches", IEEE Annual Symposium on High-Performance Interconnects, CA, US, August, 2012

N. Chrysos, L. Chen, C. Minkenberg, C. Kachris, M. Katevenis, "End-to-end Congestion Management for Non-Nlocking Multi-Stage Switching Fabrics", ACM/IEEE Symp. on Architecture for Networking and Communications Systems (ANCS), San Diego, CA, 2010

G. Morthier, et al., "Carrier Depletion Based Silicon Optical Modulators" SPIE Photonics Europe, 2010

Jens Hofrichter, et al., "A Fast and Comprehensive Microdisc Laser Model Applied to All-Optical Wavelength Conversion", Photonics in Switching Monterey, California, July 2010

L. Chen, N. Chrysos, "Throughput of Random Arbitration for Approximate Matchings", ACM/IEEE Symp. on Architecture for Networking and Communications Systems (ANCS), San Diego, CA, 2010

J. Hofrichter, F. Horst, N. Chrysos, C. Minkenberg, R. Kumar, L. Liu, B. Offrein "Digital All-Optical Signal Processing Using Microdisc Lasers", Photonics in Switching, Optical Society of America, 2010

N. Chrysos, C. Minkenberg, J. Hofrichter, F. Horst, B. Offrein, "Towards Low-cost High-Performance All-Optical Interconnection Networks", IEEE High Performance Switching and Routing (HPSR), Dallas, June 2010

G. Dimitrakopoulos, N. Chrysos, K. Galanopoulos, "Fast Arbiters for On-Chip Network Switches", IEEE International Conference on Computer Design (ICCD), Oct. 2008

W. Olesinski, H. Eberle, N. Gura, N. Chrysos, "Flow Control in Output Buffered Switch with Input Groups", IEEE High Performance Switching and Routing (HPSR), 2008

N. Chrysos and G. Dimitrakopoulos, "Backlog-Aware Crossbar Schedulers: A New Algorithm and its Efficient Hardware Implementation", IEEE Symposium on High-Performance Interconnects, pp. 67-74, Aug. 2008

I. Papaefstathiou, G. Kornaros, N. Chrysos. "A Buffered Crossbar-based Chip Interconnection Framework Supporting Quality of Service", ACM 17th ACM Great Lakes Symposium on VLSI, 2007

N. Chrysos, "Congestion Management for Non-Blocking Clos Networks", ACM/IEEE Symposium on Architecture for Networking and Communications Systems (ANCS), Orlando, Dec. 2007

N. Chrysos, M. Katevenis, "Crossbars with Minimally-Sized Crosspoint Buffers", IEEE High Performance Switching and Routing (HPSR), Brooklyn, 30 May - 1 June 2007, paper

N. Chrysos, M. Katevenis, "Preventing Buffer-Credit Accumulations in Switches with Small, Shared Output queues", IEEE High Performance Switching and Routing (HPSR), Poznan, June 2006, paper

N. Chrysos, M. Katevenis, "Scheduling in Non-Blocking Buffered Three-Stage Switching Fabrics", IEEE Infocom 2006, Barcelona, Spain, 23-29 Apr. 2006, paper

N. Chrysos, M. Katevenis, "Scheduling in Switches with Small Internal Buffers", IEEE Globecom 2005 Conference, St. Louis, MO, USA, 28 Nov. - 2 Dec. 2005, 6 pages, paper

N. Chrysos, M. Katevenis, "Multiple Priorities in a Two-Lane Buffered Crossbar", IEEE Globecom, Dallas, USA, Nov 2004, paper

M. Katevenis, G. Passas, D. Simos, I. Papaefstathiou, N. Chrysos, "Variable Packet Size Buffered Crossbar (CICQ) Switches", IEEE International Conference on Communications, Paris, June 2004, paper

N. Chrysos, M. Katevenis, "Weighted Fairness in Buffered Crossbar Scheduling", IEEE Workshop on High Performance Switching and Routing (HPSR), Torino, Italy, June 2003, paper

A. Dollas, et al., "Architecture and Application of PLATO, a Reconfigurable Active Network Platform", Annual IEEE Symposium on Field-Programmable Custom Computing Machines, 2001

Thesis

Nikolaos Chrysos "Request-Grant Scheduling for Congestion Elimination in Multistage Networks", Feb. 2007, Phd thesis

Nikolaos Chrysos "Weighted Max-Min Fairness in a Buffered Crossbar Switch with Distributed WFQ Schedulers: a First Report", Apr. 2002, Master thesis