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