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Nikos Hardavellas

  • 1608 Citations
1993 …2021
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Research Output 1993 2019

2019

Paths to fast barrier synchronization on the node

Hetland, C., Tziantzioulis, G., Suchy, B., Leonard, M., Han, J., Albers, J., Hardavellas, N. & Dinda, P. A., Jun 17 2019, HPDC 2019- Proceedings of the 28th International Symposium on High-Performance Parallel and Distributed Computing. Association for Computing Machinery, Inc, p. 109-120 12 p. (HPDC 2019- Proceedings of the 28th International Symposium on High-Performance Parallel and Distributed Computing).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Open Access
Synchronization
Hardware
Photonics
Field programmable gate arrays (FPGA)
Costs
2018
4 Citations (Scopus)

Temporal Approximate Function Memoization

Tziantzioulis, G., Hardavellas, N. & Campanoni, S., Jul 1 2018, In : IEEE Micro. 38, 4, p. 60-70 11 p., 8430631.

Research output: Contribution to journal › Article

Computer systems
Degradation
2 Citations (Scopus)

Unconventional parallelization of nondeterministic applications

Deiana, E. A., St Amour, V., Dinda, P. A., Hardavellas, N. & Campanoni, S., Mar 19 2018, Proceedings of the 23rd International Conference on Architectural Support for Programming Languages and Operating Systems, ASPLOS 2018. 2 ed. Association for Computing Machinery, Vol. 53. p. 432-447 16 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Computer programming languages
Energy conservation
2017

Harnessing path diversity for laser control in data center optical networks

Demir, Y., Terzenidis, N., Han, H., Syrivelis, D., Kanellos, G. T., Hardavellas, N., Pleros, N., Kandula, S. & Bustamante, F. E., Aug 17 2017, Summer Topicals Meeting Series, SUM 2017. Institute of Electrical and Electronics Engineers Inc., p. 113-114 2 p. 8012676

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Fiber optic networks
Lasers
lasers
Optical interconnects
optical interconnects
1 Citation (Scopus)

POSTER: The Liberation Day of Nondeterministic Programs

Deiana, E. A., St-Amour, V., Dinda, P., Hardavellas, N. & Campanoni, S., Oct 31 2017, Proceedings - 26th International Conference on Parallel Architectures and Compilation Techniques, PACT 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-September. p. 136-137 2 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Thread
Parallelism
Boosting
Benchmark
Alternatives

Techniques for Energy Proportionality in Optical Interconnects

Demir, Y. & Hardavellas, N., 2017, Photonic Interconnects for Computing Systems: Understanding and Pushing Design Challenges . Nicolescu, G., Nikdast, M., Le Beux, S. & Xu, J. (eds.). River Publishers, p. 319-354 36 p. (River Publishers Series in Optics and Photonics)).

Research output: Chapter in Book/Report/Conference proceeding › Chapter

2 Citations (Scopus)

VaLHALLA: Variable latency history aware local-carry lazy adder

Gok, A. M. & Hardavellas, N., May 10 2017, GLSVLSI 2017 - Proceedings of the Great Lakes Symposium on VLSI 2017. Association for Computing Machinery, p. 17-22 6 p. (Proceedings of the ACM Great Lakes Symposium on VLSI, GLSVLSI; vol. Part F127756).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Adders
Error correction
Networks (circuits)
2016

Energy-proportional photonic interconnects

Demir, Y. & Hardavellas, N., Dec 2016, In : ACM Transactions on Architecture and Code Optimization. 13, 4, 3018110.

Research output: Contribution to journal › Article

Photonics
Lasers
Nanophotonics
Optical losses
Optical interconnects
1 Citation (Scopus)

Evaluation of K-means data clustering algorithm on Intel Xeon Phi

Lee, S., Liao, W-K., Agrawal, A., Hardavellas, N. & Choudhary, A. N., Jan 1 2016, Proceedings - 2016 IEEE International Conference on Big Data, Big Data 2016. Ak, R., Karypis, G., Xia, Y., Hu, X. T., Yu, P. S., Joshi, J., Ungar, L., Liu, L., Sato, A-H., Suzumura, T., Rachuri, S., Govindaraju, R. & Xu, W. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 2251-2260 10 p. 7840856. (Proceedings - 2016 IEEE International Conference on Big Data, Big Data 2016).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Clustering algorithms
Data storage equipment
Hardware
Bandwidth
Processing
4 Citations (Scopus)

Lazy Pipelines: Enhancing quality in approximate computing

Tziantzioulis, G., Gok, A. M., Faisal, S. M., Hardavellas, N., Ogrenci-Memik, S. & Parthsarathy, S., Apr 25 2016, Proceedings of the 2016 Design, Automation and Test in Europe Conference and Exhibition, DATE 2016. Institute of Electrical and Electronics Engineers Inc., p. 1381-1386 6 p. 7459524

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Pipelines
Electric potential
Fault tolerance
10 Citations (Scopus)

SLaC: Stage laser control for a flattened butterfly network

Demir, Y. & Hardavellas, N., Apr 1 2016, Proceedings of the 2016 IEEE International Symposium on High-Performance Computer Architecture, HPCA 2016. IEEE Computer Society, p. 321-332 12 p. 7446075. (Proceedings - International Symposium on High-Performance Computer Architecture; vol. 2016-April).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Lasers
Photonics
Nanophotonics
Optical losses
Optical interconnects
2015
13 Citations (Scopus)

B-HiVE: A bit-level history-based error model with value correlation for voltage-scaled integer and floating point units

Tziantzioulis, G., Gok, A. M., Faisal, S. M., Hardavellas, N., Ogrenci-Memik, S. & Parthasarathy, S., Jul 24 2015, 2015 52nd ACM/EDAC/IEEE Design Automation Conference, DAC 2015. Institute of Electrical and Electronics Engineers Inc., 7167289. (Proceedings - Design Automation Conference; vol. 2015-July).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Integer Points
Error Model
Floating point
Voltage
Unit

b-HiVE Hardware Characterization Dataset

Hardavellas, N., 2015

Research output: Non-textual form › Data set/Database

Adders
SPICE
Hardware
Electric potential
Experiments
3 Citations (Scopus)

Edge importance identification for energy efficient graph processing

Faisal, S. M., Tziantzioulis, G., Gok, A. M., Hardavellas, N., Ogrenci-Memik, S. & Parthasarathy, S., Dec 22 2015, Proceedings - 2015 IEEE International Conference on Big Data, IEEE Big Data 2015. Luo, F., Ogan, K., Zaki, M. J., Haas, L., Ooi, B. C., Kumar, V., Rachuri, S., Pyne, S., Ho, H., Hu, X., Yu, S., Hsiao, M. H-I. & Li, J. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 347-354 8 p. 7363775. (Proceedings - 2015 IEEE International Conference on Big Data, IEEE Big Data 2015).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Processing
Energy conservation
Electric power utilization
6 Citations (Scopus)

Parka: Thermally insulated nanophotonic interconnects

Demir, Y. & Hardavellas, N., Sep 28 2015, Proceedings - 2015 9th IEEE/ACM International Symposium on Networks-on-Chip, NOCS 2015. Marculescu, D., Ivanov, A., Pande, P. P. & Flich, J. (eds.). Association for Computing Machinery, Inc, 2786597. (Proceedings - 2015 9th IEEE/ACM International Symposium on Networks-on-Chip, NOCS 2015).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Nanophotonics
Photonics
Silicon
Heat sinks
Thermal energy
1 Citation (Scopus)

SCP: Synergistic cache compression and prefetching

Patel, B., Hardavellas, N. & Memik, G., Dec 14 2015, Proceedings of the 33rd IEEE International Conference on Computer Design, ICCD 2015. Institute of Electrical and Electronics Engineers Inc., p. 164-171 8 p. 7357098. (Proceedings of the 33rd IEEE International Conference on Computer Design, ICCD 2015).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Engines
Data storage equipment
Hardware
Bandwidth

SOFTINJ

Hardavellas, N., 2015

Research output: Non-textual form › Software

4 Citations (Scopus)

Towards Energy-Efficient Photonic Interconnects

Demir, Y. & Hardavellas, N., 2015, Proceedings of SPIE.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

photonics
lasers
rings
messages
plugs

Towards Energy-Proportional Optical Interconnects

Demir, Y. & Hardavellas, N., 2015, Greater Chicago Area Systems Research Workshop (GCASR).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Optical interconnects
Lasers
Nanophotonics
Optical losses
High power lasers
2014
16 Citations (Scopus)

Ecolaser: An adaptive laser control for energy-efficient on-chip photonic interconnects

Demir, Y. & Hardavellas, N., Jan 1 2014, ISLPED 2014 - Proceedings of the 2014 International Symposium on Low Power Electronics and Design. Institute of Electrical and Electronics Engineers Inc., p. 3-8 6 p. (Proceedings of the International Symposium on Low Power Electronics and Design).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Photonics
Lasers
Nanophotonics
Optical losses
Electric power utilization

EcoLaser: An Adaptive Laser Control for Energy Efficient On-Chip Photonic Interconnects

Demir, Y. & Hardavellas, N., Apr 2014

Research output: Book/Report › Other report

Electrical engineering
Photonics
Computer science
Lasers

Elastic Fidelity: Trading-Off Computational Accuracy for Energy Efficiency

Tziantzioulis, G., Gok, A. M., Faisal, S. M., Liu, K., Hardavellas, N., Memik, S. O. & Parthasarathy, S., 2014, Greater Chicago-Area System Research Workshop (GCASR).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

20 Citations (Scopus)

Galaxy: A high-performance energy-efficient multi-chip architecture using photonic interconnects

Demir, Y., Pan, Y., Song, S., Hardavellas, N., Kim, J. & Memik, G., Jan 1 2014, ICS 2014 - Proceedings of the 28th ACM International Conference on Supercomputing. Association for Computing Machinery, p. 303-312 10 p. (Proceedings of the International Conference on Supercomputing).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Galaxies
Photonics
Bandwidth
Optical losses
Scalability
2 Citations (Scopus)

LaC: Integrating laser control in a photonic interconnect

Demir, Y. & Hardavellas, N., Jan 1 2014, 2014 IEEE Photonics Conference, IPC 2014. Institute of Electrical and Electronics Engineers Inc., p. 28-29 2 p. 6995193

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Photonics
photonics
Lasers
Silicon
lasers

LaC: Integrating Laser Control in a Photonic Interconnect

Demir, Y. & Hardavellas, N., Apr 2014

Research output: Book/Report › Other report

electrical engineering
photonics
lasers
2013

Galaxy: A High-­Performance Energy-Efficient Multi-Chip Architecture Using Photonic Interconnects

Demir, Y., Pan, Y., Song, S., Hardavellas, N., Kim, J. & Memik, G., Jul 2013, Unknown Publisher.

Research output: Book/Report › Other report

6 Citations (Scopus)

The impact of dynamic directories on multicore interconnects

Schuchhardt, M., Das, A., Hardavellas, N., Memik, G. & Choudhary, A. N., Nov 25 2013, Computer, 46, 10, p. 32-39 8 p.

Research output: Contribution to specialist publication › Article

Data transfer
Electric power utilization
Energy utilization
Communication
2012
12 Citations (Scopus)

Dynamic directories: A mechanism for reducing on-chip interconnect power in multicores

Das, A., Schuchhardt, M., Hardavellas, N., Memik, G. & Choudhary, A. N., May 24 2012, Proceedings - Design, Automation and Test in Europe Conference and Exhibition, DATE 2012. p. 479-484 6 p. 6176456

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Electric power utilization
Physical addresses
Hardware
Communication

Dynamic Directories: Reducing On-Chip Interconnect Power in Multicores

Das, A., Schuchhardt, M., Hardavellas, N., Memik, G. & Choudhary, A. N., Mar 12 2012, In : Proceedings of Design, Automation, and Test in Europe.

Research output: Contribution to journal › Article

1 Citation (Scopus)

Load balancing for processing spatio-temporal queries in multi-core settings

Yaagoub, A., Trajcevski, G., Scheuermann, P. I. & Hardavellas, N., Jul 9 2012, MobiDE 2012 - Proceedings of the 11th ACM International Workshop on Data Engineering for Wireless and Mobile Access - In Conjunction with ACM SIGMOD / PODS 2012. p. 53-57 5 p. (MobiDE 2012 - Proceedings of the 11th ACM International Workshop on Data Engineering for Wireless and Mobile Access - In Conjunction with ACM SIGMOD / PODS 2012).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Resource allocation
Processing
Data structures
Synchronization
Experiments

The Rise and Fall of Dark Silicon

Hardavellas, N., 2012, In : USENIX ;login:. 37, p. 7-17

Research output: Contribution to journal › Article

Towards a Schlieren Camera

Pattabiraman, B., Morton, R., Grabenhofer, A., Hardavellas, N., Tumblin, J. & Gopal, V., 2012, Annual Mid-West Graphics Workshop (MIDGRAPH).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2011

Elastic Fidelity: Trading-off Computational Accuracy for Energy Reduction

Roy, S., Clemons, T., Faisal, S. M., Liu, K., Hardavellas, N. & Parthasarathy, S., Nov 2011

Research output: Book/Report › Other report

Electrical engineering
Computer science

Exploiting Dark Silicon for Energy Efficiency

Hardavellas, N., 2011, NSF Workshop on Sustainable Energy-Efficient Data Management (SEEDM).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

31 Citations (Scopus)

Hardware/software techniques for DRAM thermal management

Liu, S., Leung, B., Neckar, A., Memik, S. O., Memik, G. & Hardavellas, N., May 17 2011, Proceedings - 17th International Symposium on High-Performance Computer Architecture, HPCA 2011. p. 515-525 11 p. 5749756. (Proceedings - International Symposium on High-Performance Computer Architecture).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Dynamic random access storage
Temperature control
Hardware
Data storage equipment
Temperature
185 Citations (Scopus)

Toward dark silicon in servers

Hardavellas, N., Ferdman, M., Falsafi, B. & Ailamaki, A., Jul 1 2011, In : IEEE Micro. 31, 4, p. 6-15 10 p., 5967003.

Research output: Contribution to journal › Article

Servers
Bandwidth
Silicon
2010
114 Citations (Scopus)

Data-Oriented Transaction Execution

Pandis, I., Johnson, R., Hardavellas, N. & Ailamaki, A., Jan 1 2010, Unknown Publisher.

Research output: Book/Report › Other report

Exploring Benefits and Designs of Optically-Connected Disintegrated Processor Architecture

Pan, Y., Demir, Y., Hardavellas, N., Kim, J. & Memik, G., 2010, Workshop on the Interaction between Nanophotonic Devices and Systems (WINDS).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

9 Citations (Scopus)

Near-optimal cache block placement with reactive nonuniform cache architectures

Hardavellas, N., Ferdman, M., Falsafi, B. & Ailamaki, A., Jan 1 2010, In : IEEE Micro. 30, 1, p. 20-28 9 p., 5430736.

Research output: Contribution to journal › Article

PAD: Power-Aware Directory Placement in Distributed Caches

Das, A., Schuchhardt, M., Hardavellas, N., Memik, G. & Choudhary, A. N., Dec 2010

Research output: Book/Report › Other report

Electrical engineering
Computer science

Power Scaling: the Ultimate Obstacle to 1K-Core Chips

Hardavellas, N., Ferdman, M., Ailamaki, A. & Falsafi, B., Mar 2010

Research output: Book/Report › Other report

Electrical engineering
Computer science

The Path Forward: Specialized Computing in the Datacenter

Hardavellas, N., Ferdman, M., Ailamaki, A. & Falsafi, B., 2010, Workshop on Architectural Considerations for Large Datacenters (ACLD).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2009

Execution Skew

Hardavellas, N. & Pandis, I., 2009, Encyclopedia of Database Systems. Liu, L. & Özsu, M. T. (eds.). Springer

Research output: Chapter in Book/Report/Conference proceeding › Entry for encyclopedia/dictionary

Inter-­Query Parallelism

Hardavellas, N. & Pandis, I., 2009, Encyclopedia of Database Systems. Liu, L. & Özsu, M. T. (eds.). Springer

Research output: Chapter in Book/Report/Conference proceeding › Entry for encyclopedia/dictionary

Intra-­Query Parallelism

Hardavellas, N. & Pandis, I., 2009, Encyclopedia of Database Systems. Liu, L. & Özsu, M. T. (eds.). Springer

Research output: Chapter in Book/Report/Conference proceeding › Entry for encyclopedia/dictionary

Operator-­Level Parallelism

Hardavellas, N. & Pandis, I., 2009, Encyclopedia of Database Systems. Liu, L. & Özsu, M. T. (eds.). Springer

Research output: Chapter in Book/Report/Conference proceeding › Entry for encyclopedia/dictionary

260 Citations (Scopus)

Reactive NUCA: Near-optimal block placement and replication in distributed caches

Hardavellas, N., Ferdman, M., Falsafi, B. & Ailamaki, A., Nov 30 2009, ISCA 2009 - 36th Annual International Symposium on Computer Architecture, Conference Proceedings. p. 184-195 12 p. (Proceedings - International Symposium on Computer Architecture).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Servers
Communication
Wire
Data storage equipment
130 Citations (Scopus)

Shore-MT: A scalable storage manager for the multicore era

Johnson, R., Pandis, I., Hardavellas, N., Ailamaki, A. & Falsafi, B., Sep 21 2009, Proceedings of the 12th International Conference on Extending Database Technology: Advances in Database Technology, EDBT'09. p. 24-35 12 p. (Proceedings of the 12th International Conference on Extending Database Technology: Advances in Database Technology, EDBT'09).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Scalability
Managers
Engines
Program processors
Throughput

Stop-­and-­Go Operator

Hardavellas, N. & Pandis, I., 2009, Encyclopedia of Database Systems. Liu, L. & Özsu, M. T. (eds.). Springer

Research output: Chapter in Book/Report/Conference proceeding › Entry for encyclopedia/dictionary

2008

R-NUCA: Data Placement in Distributed Shared Caches

Hardavellas, N., Ferdman, M., Ailamaki, A. & Falsafi, B., Dec 1 2008, Unknown Publisher.

Research output: Book/Report › Other report